About an hour later I got a call back from him and indeed Stihl has discontinued the 7 tooth (part suffix -2005) for the .325 and made the 8 tooth standard. Highly matched to the original device. i will call around tomorrow and see if i can find a 7 tooth version elsewhere. All rights reserved. 8 tooth. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) I try to take decent care of the chains. Most of the time going from a 7 tooth to an 8 tooth sprocket is no better or worse when using a standard chain. As far as I know the MS290 in .325 comes with a 8 tooth nowadays and they seem fine with it. Out of the wood chain speed would be faster but a MS270 does not have the torque to pull an eight. 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). See products .404" Harvester 18HX and 19HX Chain Toggle signature. OEM spur sprocket from Stihl. Bundle 1. ry=1 Replace for 0000 642 1206, For Oregon 22270, 0000 642 1207. Get all the latest information on Events,Sales and Offers. OEM rim sprocket from Stihl. myimages[5]="../../../images/top-banner/cookie-mizer.jpg" 8 tooth-more chain speed but less torque and therefore more prone to bogging in hardwoods if you lean on it a little. Not all chainsaw owners know that the sprocket is just as important as the chain on a chainsaw. Clutch drum with rim. An 8pin .404 is bigger than a 9pin .325 for example. Some years more than others. Granberg Alaskan Sawmills, Parts & Accessories, Skip to the beginning of the images gallery. var ry=Math.floor(Math.random()*myimages.length) 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. For example, 3/8 x 7 references a sprocket that is 3/8 pitch with 7 teeth. link to What is an Axearoon? - I'm not happy with it!). Be careful who you learn or take advise from. I'm just curious what others use. Brand: Flander; Price: 10.67: 10.67 + 5.94 Shipping. All rights reserved. 1*E Clip. Stove #1 - VC Encore 2550 catalytic - Burning almost 24/7 in LR as primary heater (and making LOTS of creosote! Page created in 2.68 seconds with 39 queries. I have an MS270 that is about 7 years old. //specify corresponding links below But I bet it'll be fine. 8 tooth-more chain speed but less torque and therefore more prone to bogging in hardwoods if you lean on it a little. For the best experience on our site, be sure to turn on Javascript in your browser. - Welcome to A.S.! 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. It's simply torque multiplication 7 pin. That saw has an impressive amount of torque. Chain and bar recommendation for Stihl 026 super, Fresh air kit adapter doesn't seem to fit. Gearing is essentially slowing down or speeding up your chainsaws chain in order to increase cutting power or speed. These setups are just a starting point and should be treated as such. Pro. If you replace the components that. A pitch eight tooth sprocket has a very similar diameter to a .404 pitch 7 tooth sprocket. Standard splined rims have an inside sprocket bore of approximately 7/8". Chain drive link count yes. Good thing as it keeps us supplied with good firewood that we cut with the saws and split with a tractor attachment. The big Homelite in my avatar only came with an 8 tooth .404 .One of my 125 Macs runs an 8 and one a 7 .The Husqvana 2100 runs an 8 tooth .375 on a 32" bar but it's 99 cc too . Bailey's is committed to keeping our site compliant with the American with Disabilities Act. The smaller diameter decreases the outer speed of the sprocket increasing the applied power on the chain. 325" 8T. 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 . Relatively new here, and have a question. Thanks for the replies. $20.25. 7 pin on everything. it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. (Or my home either), I'm agreeing with everyone else about using a 7. if (ry==0) Replace for 0000 642 1206, For Oregon 22270, 0000 642 1207. Ask for details. Well, that's an axearoon. 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. xmlHttp.setRequestHeader('Content-Type', 'application/json'); JavaScript is disabled. Livraison gratuite. Register today and take advantage of membership benefits. 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). xmlHttp.send('{"store_id":"1001795454","timezone_offset":"-8","timestamp":"2023-03-01T19:15:45.86776700Z","visit_id":"e09e7569-7c81-40a9-9da4-db4d6a3bf31e","channel_id":1}'); Not sure you would be welcome in my local Stihl shop with the kind of attitude where you need to label people so. Most of the saw mechanics are under paid, and for the most part know little about the equipment they work. .cardIcon-icon[data-test="credit-card-icon-diners-club"] { display:none !important;} None of us know the density of the wood your cutting, what chain setup you have etc, etc, etc. 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] Most of the saw mechanics are under paid, and for the most part know little about the equipment they work on. Yeah, itll pick up chain speed, but loose 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. for Stihl 028 at the best online prices at eBay! or requests on how to improve this sites accessibilty for all users. Ask for details. If you've go a rim sprocket setup on the saw it would be cheap to try out both and decide for yourself. Make sure your bar chain and drive sprocket are all the same gauge and pitch. Only registered users can write reviews. OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here.