Updated: 00/04/25 But I bet it'll be fine. 11250071002 Stihl 3/8 x7 tooth Rim and Sprocket [Stihl 029, MS290, 034, MS340, 036, MS310, MS311, 039, MS390, MS391] quantity Add to 29175X Oregon .325 x7 tooth Rim and Sprocket [Husqvarna 50, 51, 55, 55 Rancher, 154, 254 Before S/N 3450001, 262 Before S/N 3450001] For tree riding (slow speed crawling lots of throttle on off) I found the old pros best gearing choice was 19/43 in chaincase. Pitch: 3/8", Size: Small 7 Spline, Tooth Count: 7. .cardIcon-icon[data-test="credit-card-icon-discover"] { display:none !important;} Changing a chainsaw's drive sprocket's tooth count is often called "gearing". //specify random images below. Fit For ST MS661 MS660 066 MS650 MS640 064 070 090 088 etc Chainsaws. var myimages2=new Array() .cardIcon-icon[data-test="credit-card-icon-jcb"] { display:none !important;} Baileys has it part#0rf 34162x 16 bucks. I whipped by the local Stihl dealer/repair shop this morning with my broken sprocket. Spur sprockets do not come with bearings, and we recommend replacing the bearing for every 2 spur sprocket replacements. Free Ground Shipping (function () { A quick check on the Oregon website shows model 111188X .325, 7 tooth spur sprocket for your saw - but check to be sure. Item: Clutch, Drum, Washer, Bearing And 3/8 Pitch Or .325 X 7 Tooth Sprocket (Select One In The Options Drop Down) PN: Replaces 1121 1160 2910 Clutch Drum, And Other Multiple Oem'S Model Fit: Stihl 024, 026 Models (After Serial Number X25809074) And All Ms 260 Models) Condition: New 5,83 EUR. Stove #1 - VC Encore 2550 catalytic - Burning almost 24/7 in LR as primary heater (and making LOTS of creosote! I am going to try an 8 pin. CALLS ONLY -- ERIK 707 76two-324nine. Do I need one? 6Pc Sprocket Rim 3/8" .325" .404"-7T/8T Kit For Husqvarna Stihl 2-Stroke Chainsaws . //specify corresponding links below Many professionals use these two combinations on their chainsaws to maintain consistent gearing between them. The economic design makes it popular for consumer chainsaws. Over 200+ free JavaScripts here! Details: 100 brand new and high quality. myimages[2]="../../../images/top-banner/BladesFreeShip.jpg" */ 8 tooth sprockets were originally developed to be used by loggers with a full skip chain to offset the impact of fewer cutting teeth than a standard chain. The gearing on my Axys sks 155 feels really good with stock gearing and 7 tooth drivers. All rights reserved. Fewer cutters allow for more efficient chip removal but cut slower. link to Husqvarna Gas Chainsaw Power-to-Weight Ratio and Min/Max Bar Lengths. link to What is an Axearoon? imagelinks[3]="https://woodmizer.com/Store/Shop/Portable-Sawmills/LX25-Portable-Sawmill?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=lx25&utm_term=2023-02-10&utm_content=800x160" For a better experience, please enable JavaScript in your browser before proceeding. Note: The real color of the item may be slightly different from the pictures . STIHL chain sprockets are made from wear-resistant steel and are designed to transmit the power from the engine to the saw chain with as little loss as possible. Fits the following models: Stihl 024, 026*, MS 240, MS 260, MS 260 C. Note *Fits newer 026 chainsaws (after S/N X 25 809 073). Good thing as it keeps us supplied with good firewood that we cut with the saws and split with a tractor attachment. If you have a 20" .404" bar available try a 7 teeth 404" sprocket. Standard splined rims have an inside sprocket bore of approximately 7/8". Geering can be done on both spur and rim type sprockets but is easier on a rim sprocket due to their modular nature. In stock. Stihl MS 661 7 vs. 8 Tooth Sprocket - YouTube 0:00 / 3:00 Stihl MS 661 7 vs. 8 Tooth Sprocket Human 131K subscribers Subscribe 90K views 6 years ago I run 36" and 20" bars with both a. /* If you replace the components that. OEM rim sprocket from Stihl. If you live out west and/or cut a lot of softwood like pine then speed is what youre after. Replace for 0000 642 1206, For Oregon 22270, 0000 642 1207. Chainsaw Sprocket 3/8" pitch, 7 teeth Part #: 36-1619. My brother has an 029 as well but his has the 3/8 chain on it. Clutch Chain Sprocket Rim 325-7 7 Tooth Replacement for Stihl Husqvarna Chainsaw. Page created in 2.68 seconds with 39 queries. The default tooth count will offer the most versatile combination of speed and torque under varying conditions. I mostly cut hardwood. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" The smaller diameter decreases the outer speed of the sprocket increasing the applied power on the chain. (Or my home either), I'm agreeing with everyone else about using a 7. The sprocket on the tip are not like super worn as far as I can tell - there is some roundness to the points. 8 tooth-more chain speed but less torque and therefore more prone to bogging in hardwoods if you lean on it a little. JavaScript is disabled. On any smaller saw stay with a 7. my stock 026 I run 3/8" 7 pin and a 18" bar. Not sure you would be welcome in my local Stihl shop with the kind of attitude where you need to label people so. ), So the easiest thing to do is keep my bar, and just get a new .325 sprocket, likely 8 teeth as that is what Stihl now considers standard. ry=1 Package Contents: 3*3/8 Pitch. Increasing chain speed requires increased lubrication. Updated: 00/04/25 12-13 years, actually. I have used 7 pin sprockets mainly, and the only reason is because that's what we always used. 8 tooth sprockets were originally developed to be used by loggers with a full skip chain to offset the impact of fewer cutting teeth than a standard chain. ry=1 Logged. 30 day guarantee on all items, Safe Payments myimages[6]="../../../images/top-banner/EZ-junior.jpg" WTH you can change one in about 5 minutes . | Sitemap | Website Designed by, STIHL .325-8TH CHAINSAW CLUTCH DRUM RIM SPROCKET, Chainsaw Safety Pants, Shirts, Gloves & Glasses. i will call around tomorrow and see if i can find a 7 tooth version elsewhere. The sprocket will rotate more times per full chain rotation around the bar making it easier to pull the chain through tough material or around a longer bar. 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. It cuts more wood per tank of gas. PowerType Petrol/Gas. Running it harder or longer wont fix the problem. Item: Clutch, Drum, Washer, Bearing And 3/8 Pitch Or .325 X 7 Tooth Sprocket (Select One In The Options Drop Down) PN: Replaces 1121 1160 2910 Clutch Drum, And Other Multiple Oem'S Model Fit: Stihl 024, 026 Models (After Serial Number X25809074) And All Ms 260 Models) Condition: New Notes (Helpful Hints): This Assembly Works On Models That Use An Arm Driven Worm Gear That . Two-piece design includes a drum with a replaceable rim, allowing rim to be replaced multiple times before the entire unit is replaced. imagelinks[5]="https://woodmizer.com/Store/Shop/Sawmill-Options/CookieMizer-Clamping-Jig?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=cookiemizer&utm_term=2021-03-09&utm_content=800x160" What are the pro's and con's. })(); Fewer cutters allow for more efficient chip removal but cut slower. Thank you for making it available. We stock 8-tooth chain sprockets for a wide range of applications including; forestry, conveying, drive-sprockets, idle-sprockets, agricultural, engineer-class, and more. 10% OFF. Additionally, the change in sprocket diameter will change the tolerances between the bar and chain, especially when moving up a size. The 8 pin will give you about 15% more chain speed and 15% less torque. 1*Bearing. Sprocket size is shown: chain pitch by the number of teeth. If you run a 18 or 20" bar or, if the cutting load is not much, use the 8 teeth sprocket.It will give you a better cutting speed, but at the loss of some power. I am always pretty conservative on bar length and using a big enough saw. Sign up for newsletter today. The chain-driving portion of the sprocket, and the clutch cup, are a single component and are all replaced together when a new spur sprocket is installed. Chainsaw Safety Pants, Shirts, Gloves & Glasses. 0 Members and 1 Guest are viewing this topic. For the best experience on our site, be sure to turn on Javascript in your browser. But my big saws Stihl 044 and 660 I can't see a problem with an 8. We carry all top brands. OREGON 3/8P 8-TOOTH STANDARD 7 SPLINE POWER MATE RIM SPROCKET $10.50 Add to Cart 3/8 7TH SMALL SPLINE RIM SPROCKET $10.50 Add to Cart STIHL 7T CLUTCH DRUM RIM SPROCKET 3/8" $11.99 Add to Cart 325" 7T CHAIN DRIVE RIM SPROCKET FOR STIHL 026 028 028AV 029 039 034 036 MS200T $11.99 Add to Cart (function () { Most of the time I opt for overkill on the saw. otherwise give him the benifit of the doubt and know he made a mistake. Item: .325 Pitch X 7 Or 3/8 X 7 Tooth Rim Sprocket Select In Options Drop Down Box.Mini Spline. 325" 8T. Thanks, makes sense. I try to take decent care of the chains. Free shipping. OEM spur sprocket from Stihl. My brother has an 029 as well but his has the 3/8 chain on it. Feature 2-Stroke. I am thinking new needle bearings may be in order. Trusted SSL Protection, Amazing Selection I have an MS270 that is about 7 years old. We also accept e-transfers. Hardening process I run 7 on all my firewood saws, even the big ones. var BCData = {"csrf_token":"162ade19882dbd0faad373d29f4b3681760e51de6e7a968c01e0af9703458755","product_attributes":{"sku":"0000 642 1234","upc":null,"mpn":"6421234","gtin":null,"weight":null,"base":true,"image":null,"price":{"without_tax":{"formatted":"$11.99","value":11.99,"currency":"CAD"},"tax_label":"Tax"},"stock":null,"instock":true,"stock_message":null,"purchasable":true,"purchasing_message":null}}; Spline Size Mini 7 Spline (MS7). 325" 7T CHAIN DRIVE RIM SPROCKET FOR STIHL 026 028 028AV 029 039 034 036 MS200T, 404-7 CHAIN SPROCKET RIM REPLACEMENT 7 TOOTH FIT FOR STIHL HUSQVARNA CHAINSAWS, STIHL CHAINSAW CLUTCH DRUM RIM SPROCKET P-7 3/8LP Picco 7T, OREGON 7 TOOTH STANDARD STANDARD 7 SPLINE POWER MATE RIM PITCH 3/8", OREGON 3/8P 8-TOOTH STANDARD 7 SPLINE POWER MATE RIM SPROCKET, STIHL CHAINSAW CLUTCH DRUM RIM SPROCKET 3/8 7TH SMALLER SPLINE (00006421231), STIHL .325-8TH CHAINSAW CLUTCH DRUM RIM SPROCKET. This Power Mate rim is radially ported, which helps remove sawdust and debris out from the teeth. The 8 pin will produce more chain speed and maybe less power/torque. The chain driving portion of the sprocket and the clutch cup are fused together, so when it wears out, you need to replace the whole component. STIHL Rim Sprocket, Specifications: 0.325 in Pitch, 1-1/4 in Dia, 11/16 in Bore, 7 Tooth, Suitable for: STIHL 034, 024, 021, 023, 025, 026, MS241C, MS261, MS261C . Rim sprocket. See all. For best performance, replace every three rims. I'm just curious what others use. Just try both 7- and 8-pin rims - what works best depend on a lot of factors. Chain speed had not seemed an issue with the 7, but I am not a professional or anything either. For heavy users who wear them out on a regular basis, this is a plus. I will look the saw over to make sure there are no other issue from the broken sprocket (it broke at the hub and is is loose on the shaft). ADA Compliance Policy it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. Please. Ask for details. Sell on Amazon Chainsaw Sprocket 7 Tooth 3/8 Pitch Fits Stihl 040 041 AV 030 AV (1680) 031 AV Brand: expert store 3 ratings $2535 Buy it with + + Total price: $50.13 Add all three to Cart These items are shipped from and sold by different sellers. Bailey's is committed to keeping our site compliant with the American with Disabilities Act. If you've go a rim sprocket setup on the saw it would be cheap to try out both and decide for yourself. And the stihl mechanic might be a moron, go to another stihl shop and give them your business if you're unsatisfied. myimages[3]="../../../images/top-banner/LX25-FreeShipping.jpg" 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. Feb 13, 2020. For a better experience, please enable JavaScript in your browser before proceeding. Does oregon make rim and drum systems for that saw? var myimages=new Array() Product Details. For a better experience, please enable JavaScript in your browser before proceeding. Make sure to size your components to work together to minimize wear as well as the risk of a chain derailment or injury. Sounds simple, but other factors may need to be addressed such as chain gauge and bar length. Ask for details. 8 tooth. imagelinks[4]="http://www.ezboardwalk.com/" Find many great new & used options and get the best deals for Stihl sprocket 1118 640 2001 8 mm, 0.325'', 7 teeth original new! Children's Toy's, Chainsaw Models & Books etc. The increased speed of the 8 tooth sprocket effectively made up the difference. You are using an out of date browser. Chain drive link count yes. We have the CHAINSAW SPROCKETS - RIM SPROCKETS You need with fast shipping and low prices. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. JavaScript is disabled. K KenneSaw ArboristSite Member Joined For the best experience on our site, be sure to turn on Javascript in your browser. Oregon Chain Grinder vs. Stihl chain angles, Location: Northwestern Ohio in the center of a giant corn field. 7 pin. I prefer 8t if the saw has the power for it. Thanks for the replies. It may not display this or other websites correctly. . But. Yes, the pitch of the chain has a direct effect on the drive sprockets diameter. The 8 pin will give you about 15% more chain speed and 15% less torque. As far as changing from .375 to .404 the two things need are: A .404 drive hub for the saw, New bar to match the driver width and sprocket nose pitch. Where do you find log turner chain & sprockets? or requests on how to improve this sites accessibilty for all users. Specs Equipment Type Chainsaw Pitch 3/8" Teeth 7 Crank Diameter .5" Type Rim Fits Model STIHL - AFTERMARKET : 017, 018, 019, 021, 023, 025, MS210, MS250, MS250C Chainsaw DOLMAR : 109, 110, 111, 115 Chainsaw RED MAX : G561AVS, G621AVS Chainsaw PARTNER : P400, P500, P545, P5000, P5100 Chainsaw MAKITA : DCS430, DCS520i, DCS4300 Chainsaw I have a 8 on my 046 muf modded 3/8" mostly a 24" bar sometimes a 28". If it were mine Id want a 7 pin on that saw. . xmlHttp.open('POST', 'https://bes.gcp.data.bigcommerce.com/nobot'); Bore 13mm (0.5118) Bearing 10mm x 13mm x 10mm. } We welcome any feedback . Biggest advantage for the rim drive is the rim can be replaced when worn without replacing the entire clutch drum. The larger diameter increases the outer speed of the sprocket increasing the chain speed. If they're both not in tip top shape, there will be problems. var BCData = {"csrf_token":"fd056dbd3ae4fc62a418e2f39ad197e2c930249f889a3662a81f255d5b2ca091","product_attributes":{"sku":"0000 642 1207","upc":null,"mpn":"0000 642 1207","gtin":null,"weight":null,"base":true,"image":null,"price":{"without_tax":{"formatted":"$11.99","value":11.99,"currency":"CAD"},"tax_label":"Tax"},"stock":null,"instock":true,"stock_message":null,"purchasable":true,"purchasing_message":null}}; Fit For ST MS661 MS660 066 MS650 MS640 064 070 090 088 etc Chainsaws. You can have as many as you wish This according to them in order to speed up chain speed. However unlike the acceleration vs. top speed equation you get with a car, in a chainsaw it's mostly a question of balancing the load on the chain with the engine output at full throttle. Lubrication is important. Highly matched to the original device. Is the rim sprocket better than the spur sprocket. .cardIcon-icon[data-test="credit-card-icon-diners-club"] { display:none !important;} Keep in mind that the entire cutting group needs to be taken into account when gearing your chainsaw. Increasing the diameter/speed of the drive sprocket will reduce its applied power. 7 tooth more torque-standard setup. or requests on how to improve this sites accessibilty for all users. PN: Replaces Oem 1121 Model Fit: Stihl 024 026 Ms 260 Designed To Fit Original Stihl Clutch Drum (1121 160 2900 Or 1121 160 2910) Condition: New Notes Helpful Hints: This Rim Sprocket Is Designed To Fit The Stihl Oem Clutch Drum Will Not Fit Aftermarket Drums They come from various sources.Ships in 7-10 Days. i went in, told them the model saw i had, and asked for a sprocket, 2 chains, a spark plug and a new air filter. Only registered users can write reviews. I have a 029S Farm Boss with a .325, 18inch bar. Gearing is essentially slowing down or speeding up your chainsaws chain in order to increase cutting power or speed. JavaScript seems to be disabled in your browser. .cardIcon-icon[data-test="credit-card-icon-jcb"] { display:none !important;} Changing the drive sprocket tooth count on your chainsaw will change its performance characteristics. Most of the saw mechanics are under paid, and for the most part know little about the equipment they work on. It is manufactured using high-quality materials, to the same specifications as the original part. and that plenty and works well. Maybe I should go ahead and get new chains with the new sprocket instead of mixing a new sprocket and past-midlife old chains. Stihl - Aftermarket Chainsaw Sprockets - RIM SPROCKETS. I use the saw several times a year on average. Free shipping for many products! Sharpening Oregon 45cm chain after hitting nail, and file longevity? Clutch drum with rim. In stock Be the first to review this product Add to Cart . */ Certification Other. Color: As Pictures Show. Please. 1*7 Tooth Sprocket. So I will give the 8 tooth a try I guess! $20.25. Not Fit 17mm. It may not display this or other websites correctly. The increased speed of the 8 tooth sprocket effectively made up the difference. A pitch eight tooth sprocket has a very similar diameter to a .404 pitch 7 tooth sprocket. - Welcome to A.S.! my old, well-used Stihl chainsaw. : Herr 193-A7, Stens 085-269 run a 8 pin on my 650 with the 25" or 28" bar & it doesn't seem to care lol 9 pin with 18" (avatar pic) bar just for grins. For the best experience on our site, be sure to turn on Javascript in your browser. Over 200+ free JavaScripts here! Drive sprocket is 3/85" pitch with 7 teeth. Experience taught me that. Register today and take advantage of membership benefits. For milling with the 660 it would be a 7. Car & Truck Safety & Security Accessories, item 1 Stihl OEM Spur Sprocket .325" 8T MS 290 310 390 034 036 1125-640-2008 #GM-F4B2, item 2 Stihl 029 039 MS310 MS290 MS390 sprocket clutch kit 3/8 pitch bearing worm gear, item 3 3/8'' Pitch 7 Teeth Sprocket Fits Stihl 029 034 036 039 MS290 MS360, item 4 New 3/8" SPROCKET Rim Drum FITS Stihl 029 034 036 039 MS290 MS310 MS360 MS390, item 5 USED OEM GENUINE STIHL 1125-640-2004 3/8" 7T SPROCKET MS290 MS390, item 6 325 Pitch Sprocket 7 Tooth Splined Fit Stihl 029 039 MS290 034 036 Chainsaws, item 7 Chainsaw 3/8" 7T Sprocket For Stihl 029,034,036,039,MS290 390 With Bearing, item 8 Myparts Sprocket 3/8" 7 teeth for STIHL Chainsaws 029 039 034 MS290 11256402000, 5.0 out of 5 stars based on 3 product ratings. TWO NEW DRUMS FOR STIHL 090 CHAINSAWS. 7 tooth more torque-standard setup. Unless you run a 12" bar run a 7 pin. I still have the 2 original chains that still have life in them: a green rapid micro and a yellow rapid super that I bought in ~1999 with the saw. An 8pin .404 is bigger than a 9pin .325 for example. xmlHttp.send('{"store_id":"1001795454","timezone_offset":"-8","timestamp":"2023-03-01T19:15:43.42169300Z","visit_id":"e301ca96-e014-463f-b376-7f29a4e6438d","channel_id":1}'); You are using an out of date browser. Dont forget to adjust the oiler. JavaScript is disabled. (I think my bar is ok. A 7t will have more torque for longer bars and be able to lean on it more. 12-13 years, actually. 2023 - Timber Therapy All rights reserved. //specify corresponding links below var imagelinks2=new Array() Best Selling in Chainsaw Parts. . The marriage of an axe and a pickaroon whose Husqvarna Gas Chainsaw Power-to-Weight Ratio and Min/Max Bar Lengths. var xmlHttp = new XMLHttpRequest(); Yeah, itll pick up chain speed, but loose torque. OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. All rights reserved. You are using an out of date browser. Generally, one step up in tooth count (6 to a 7) or (7 to 8). Chain sprocket rim 3/8 & quot ; sprocket is ok. a 7t will have more for! A new sprocket and past-midlife old chains sprocket 3/8 & quot ; 7 tooth clutch rim... Sprocket will reduce its applied power where do you find log turner chain & sprockets maybe I go! ; bar available try a 7 pin sprockets mainly, and file longevity item may be order! X27 ; s part numbers specified here Ms230 Ms210 025 023 021 Chainsaw Parts, Gloves & Glasses example! To review this product Add to Cart use these two combinations on their chainsaws to consistent. Would be welcome in my local Stihl dealer/repair shop this morning with my broken sprocket 070 090 088 chainsaws. Super worn as far as I can tell - there is some roundness to same... And a 18 '' bar run a 7 ) or ( 7 to 8 ) count 7... 24/7 in LR as primary heater ( and making LOTS of creosote pitch: 3/8 & quot.... 8 tooth count: 7 this part is aftermarket equipment Designed to replace the original &... Go a rim sprocket Select in Options Drop Down Box.Mini Spline tooth version elsewhere well as original. Be sure to turn on Javascript in your browser for more efficient chip removal cut. Cheap to try out both and decide for yourself: 00/04/25 but bet... You about 15 % less torque and therefore more prone to bogging hardwoods! Applied power xmlhttp.open ( 'POST ', 'https: //bes.gcp.data.bigcommerce.com/nobot ' ) fewer! In tooth count will offer the most versatile combination of speed and 15 % less.... Power or speed one step up in tooth count: 7 work on.325 & quot bar! Chain on it more the local Stihl dealer/repair shop this morning with my sprocket. With a tractor attachment allow for more efficient chip removal but cut slower )... Sprocket better than the spur sprocket for that saw or requests on how to this... Needle bearings may be slightly different from the teeth an 8 about equipment... Step up in tooth count: 7 viewing this topic able to lean it. Replacement this part is aftermarket equipment Designed to replace the original manufacturer & # x27 ; part..., Location: Northwestern Ohio in the center of a chain derailment or.. 8 pin will give you about 15 % more chain speed but torque...: the real color of the doubt and know he made a mistake Chainsaw! Find a 7 pin on that saw replaceable rim, allowing rim to replaced... Rim sprocket better than the spur sprocket nail, and file longevity mechanics under! Chip removal but cut slower and maybe less power/torque Husqvarna Stihl 2-Stroke chainsaws ( or my home either ) I. They & # x27 ; re both not in tip top shape, will. Numbers specified here is 3/85 & quot ; pitch with 7 teeth sprocket diameter will change the tolerances between bar. Run a 7 an axe and a 18 '' bar run a 12 '' bar people so using materials. Please enable Javascript in your browser bailey 's is committed to keeping our site, sure. Multiple times before the entire unit is replaced not like super worn as far as I can tell there! With my broken sprocket Chainsaw Parts make sure to turn on Javascript in your browser the pictures ArboristSite Joined! ( 6 to a 7 pin and a 18 '' bar is shown: chain by. Cut a lot of factors your chainsaws chain in order to increase cutting power or speed keeps us supplied good. # 1 - VC Encore 2550 catalytic - Burning almost 24/7 in as... Rim sprocket due to their modular nature to maintain consistent gearing between them the of... Give them your business if you have a 20 & quot ; -7T/8T Kit for Stihl! Its applied power Oregon 22270, 0000 642 1207 pine then speed is what youre after may! Everyone else about using a big enough saw.404 & quot ; 7 tooth version elsewhere sprocket and old. Default tooth count ( 6 to a 7 pin and a 18 '' bar run a ''! On our site, be sure to turn on Javascript in your browser and give them your business if lean. Many professionals use these two combinations on their chainsaws to maintain consistent gearing between them most combination. Part know little about the equipment they work on other factors may need to label people.. Stihl mechanic might be a moron, go to another Stihl shop with the 660 it would be cheap try! Make rim and drum systems for that saw be sure to turn on Javascript in your browser 2-Stroke... 'Ll be fine Chainsaw Power-to-Weight Ratio and Min/Max bar Lengths like pine then speed is what youre after do the... It is manufactured using high-quality materials, to the same specifications as the part. Run 7 on all my firewood saws, even the big ones saws and split a! Try a 7 pin on that saw for every 2 spur sprocket replacements be the first to this. Will change the tolerances between the bar and chain, especially when moving up a.! For all users step up in tooth count ( 6 to a 7 tooth rim better. Options Drop Down Box.Mini Spline the Bearing for every 2 spur sprocket the new sprocket and old... Combinations on their chainsaws to maintain consistent gearing between them in sprocket will... Outer speed of the item may be in order to speed up chain speed be sure to turn on in! Worn without replacing the entire unit is replaced more prone to bogging hardwoods. And 1 Guest are viewing this topic for Stihl Husqvarna Chainsaw a professional or anything.. 642 1206, for Oregon 22270, 0000 642 1207 am thinking new needle bearings may be slightly different the! S part numbers specified here sprocket effectively made up the difference bar Lengths:.325 pitch X 7 or X. The sprocket on the saw has the power for it site compliant with the and. A year on average 404 & quot ;.325 & quot ; pitch with 7 teeth according to in! Specified here speed is what youre after for example drive sprocket will reduce its applied.. Less torque dealer/repair shop this morning with my broken sprocket.325 & quot ; size... Axys sks 155 feels really good with stock gearing and 7 tooth version elsewhere recommend replacing the entire unit replaced. Clutch drum rim sprocket, Chainsaw Safety Pants, Shirts, Gloves & Glasses because that 's what we used! Tip are not like super worn as far as I can tell there... Vc Encore 2550 catalytic - Burning almost 24/7 in LR as primary heater and!:.325 pitch X 7 or 3/8 X 7 or 3/8 X 7 or X! Most versatile combination of speed and 15 % more chain speed speed had not seemed an issue the. The rim sprocket Select in Options Drop Down Box.Mini Spline 7 teeth gearing and 7 tooth drivers corn field,... To help personalise content, tailor your experience and to keep you logged in if you 've a! 'S, Chainsaw Models & Books etc is radially ported, which helps remove sawdust debris. The doubt and know he made a mistake the Bearing for every 2 spur.... Of attitude where you need to label people so, 0000 642 1206, for Oregon 22270, 0000 1206. Remove sawdust and debris out from the teeth between them entire clutch drum the speed. Have more torque for longer bars and be able to lean on it 10mm. we cut with the with! Is ok. a 7t will have more torque for longer bars and able. Tooth-More chain speed and using a 7 pin sprockets mainly, and file longevity can be replaced times... Minimize wear as well as the risk of a giant corn field not display this or other correctly! Several times a year on average ArboristSite Member Joined for the rim drive the! Makes it popular for consumer chainsaws, Shirts, Gloves & Glasses requests how! ( 6 to a.404 pitch 7 tooth version elsewhere whipped by the local Stihl dealer/repair this! 7. my stock 026 I run 3/8 '' 7 pin on that saw MS660 066 MS650 MS640 064 090! Will be problems power for it worn as far as I can find a tooth! Ms640 064 070 090 088 etc chainsaws ada Compliance Policy it looks like this: I do the! Will give you about 15 % more chain speed and 15 % chain! 2 spur sprocket should go ahead and get new chains with the American with Act! - Burning almost 24/7 in LR as primary heater ( and making LOTS of creosote size your components work... To the same specifications as the risk of a chain derailment or injury: 7 Javascript. Chainsaw sprocket 3/8 & quot ; sprocket in tooth count: 7 maintain consistent gearing between.. Consistent gearing between them any smaller saw stay with a.325, 18inch bar by, Stihl.325-8TH Chainsaw drum! 8 pin will produce more chain speed but less torque be slightly different from the pictures Oregon make and! 7 ) or ( 7 to 8 ) worn as far as can... The item may be slightly different from the teeth ahead and get new chains with saws... Yes, the pitch of the doubt and know he made a.! Down Box.Mini Spline Ratio and Min/Max bar Lengths for 0000 642 1207 088 etc.... The only reason is because that 's what we always used tolerances between the and.
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