What's the advantage of each? document.write('') .cardIcon-icon[data-test="credit-card-icon-jcb"] { display:none !important;} So, the saw gets a good workout when it is needed. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. //specify corresponding links below Granberg Alaskan Sawmills, Parts & Accessories, Skip to the beginning of the images gallery. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) An 8pin .404 is bigger than a 9pin .325 for example. 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. myimages2[1]="../../../images/top-banner/behindtheforum.jpg" 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. Changing a chainsaw's drive sprocket's tooth count is often called "gearing". Only registered users can write reviews. Bore 13mm (0.5118) Bearing 10mm x 13mm x 10mm. I have an MS270 that is about 7 years old. Increasing chain speed requires increased lubrication. 8 pin is rarely faster at the end of the day or a week of work (When you figure in all of the "stallouts"), and is a lot harder on your clutch and saw overall. For use on Dolmar, Makita, Echo, Husqvarna, Olympic, Conserved, Home lite, John Deere, Redmax, Sears, and Stihl Saws. It has been a great saw, and I've not really ever had to do anything to it, other than keep gas and oil in it, and the chain sharp. Entdecke 3/8"-8 Tooth Chain Rim Sprocket fit for Husqvarna 394 395 Stihl 064 066 Chainsaw in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! 5Pcs Sprocket Rim 3/8 inch Pitch 7 Tooth 19mm for Stihl MS360 MS310 Husqvarna 15425450 5155 Chainsaw 18720 Replacement Parts. i will call around tomorrow and see if i can find a 7 tooth version elsewhere. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Chainsaw Parts. Pitch: 3/8", Size: Small 7 Spline, Tooth Count: 7. Free Ground Shipping Note: The real color of the item may be slightly different from the pictures . Do I need one? var ry=Math.floor(Math.random()*myimages.length) Patrick enjoys managing 36 acres of alpine forest in north-central Colorado. You can have as many as you wish the 66 is my work horse and screams through wood flooding chips like you wouldnt belive. This according to them in order to speed up chain speed. myimages[1]="../../../images/top-banner/ez50-banner.jpg" 8 tooth. ivel played around with a 8 on the 440 and even a 9 on the 066 but i find when cutting wood to bar tip with each saw that they feel best with a 7. the 026 wears a 18 440 a 28 and 066 a 32. these all reguarly cut wood past theyre tip. An 8pin .404 is bigger than a 9pin .325 for example. Thanks for the replies. Some parts of this page is temporarily unavailable. Trending price is based on prices over last 90 days. Sign up for newsletter today. The Forestry Forum is sponsored in part by: The repair guy was a little hesitant at first about the 8 tooth just because he said he'd prefer putting the original equipment on it all else being equal. For milling with the 660 it would be a 7. The mountain pine beetle epidemic required fast learning in the art of tree felling and subsequent forestry practices to direct the forest's regrowth. 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. ), 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. Not all chainsaw owners know that the sprocket is just as important as the chain on a chainsaw. You'll need a 3/8 7tooth mini spline rim sprocket & part# 3003 000 8913 is the 16" 3/8 stihl bar. CALLS ONLY -- ERIK 707 76two-324nine. . Drive sprocket is 3/85" pitch with 7 teeth. But I bet it'll be fine. Consumer Spur Sprocket Part Number: 106657X Specs Equipment Type Chainsaw Pitch .325" Teeth 7 Crank Diameter .3937" Bearing Sold Separately Fits Model STIHL - AFTERMARKET : 017,018, 019, 021, 025, MS210, MS250, MS250C Chainsaw Replaces OEM Stihl - Aftermarket : Your Price: $29.40 Qty: Add to Cart More Info Consumer Spur Sprocket Part Number: 28016X My smaller saws are Husky 51 and 55 Rancher I wouldn't even think of an 8 tooth on them. or requests on how to improve this sites accessibilty for all users. These are good quality sprockets. ry=1 Sturdy and durable, long service life. If it were mine Id want a 7 pin on that saw. var imagelinks=new Array() The 8 pin will give you about 15% more chain speed and 15% less torque. 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). Dont forget to adjust the oiler. Join me as I recount my learnings and share what has worked for me. The increased speed of the 8 tooth sprocket effectively made up the difference. })(); But if your cutting load is higher or if the bar sizes are bigger than 20", use the 7 teeth sprocket. link to What is an Axearoon? imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" You must log in or register to reply here. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" As long as the sprocket is .325 you are good to go. Package arrived in a timely fashion and was well packaged. var ry=Math.floor(Math.random()*myimages2.length) it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. Most of the saw mechanics are under paid, and for the most part know little about the equipment they work. After days of researching and comparing all models on the market 2021 , JohnHarvards find Best 8 Tooth Sprocket of October 2022. .cardIcon-icon[data-test="credit-card-icon-diners-club"] { display:none !important;} I prefer 8t if the saw has the power for it. The marriage of an axe and a pickaroon whose Husqvarna Gas Chainsaw Power-to-Weight Ratio and Min/Max Bar Lengths. Register today and take advantage of membership benefits. Most of the time going from a 7 tooth to an 8 tooth sprocket is no better or worse when using a standard chain. //specify corresponding links below 1*7 Tooth Sprocket. We welcome any feedback JavaScript seems to be disabled in your browser. Logged. You are using an out of date browser. I have an 026 pro with .325 pitch, 16" bar. for Stihl 028 at the best online prices at eBay! Fewer cutters allow for more efficient chip removal but cut slower. WTH you can change one in about 5 minutes . Philbert P.S. . Not enough torque and your engine will stall, too much and it will feel sluggish. Rim sprockets float on the splined hub of the drum and move side to side, allowing the chain and rim to align with the bar as the chain travels around the bar's groove. If you replace the components that. Standard splined rims have an inside sprocket bore of approximately 7/8". I tend to reserve the 8t for ported 70cc and stock 90cc and larger, but I mostly cut hard wood. Yeah, itll pick up chain speed, but loose torque. JavaScript is disabled. It's simply torque multiplication STIHL SMALL SPLIINE RIM SPROCKET PT # 00006421236 CHAINSAW 325 PITCH OEM 7 TOOTH Brand New 23 product ratings C $12.76 Buy It Now +C $6.48 shipping from United States 166 sold Sponsored STIHL OEM CHAINSAW CLUTCH DRUM RIM SPROCKET MS261 3/8 7 TOOTH # 1141 007 1001 New (Other) C $55.64 Top Rated Seller Buy It Now +C $27.14 shipping from United States Item: .325 Pitch X 7 Or 3/8 X 7 Tooth Rim Sprocket Select In Options Drop Down Box.Mini Spline. Should You Changing Your Sprocket's Tooth Count Chainsaw drive sprockets most commonly come in 6, 7, or 8 tooth variations. Stock 4. You can have as many as you wish 8 pin on my another chainsaw and a narrow kerf chain. 12-13 years, actually. 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 . STIHL CHAINSAW CLUTCH DRUM RIM SPROCKET 3/8 7TH SMALLER SPLINE (00006421231), 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 POWER MATE RIM SPROCKET(.325" X 8 TOOTH) SMALL SPLINE, 325" 7T CHAIN DRIVE RIM SPROCKET FOR STIHL 026 028 028AV 029 039 034 036 MS200T, OREGON 3/8P 8-TOOTH STANDARD 7 SPLINE POWER MATE RIM SPROCKET, OREGON 7 TOOTH STANDARD STANDARD 7 SPLINE POWER MATE RIM PITCH 3/8", .325-7 TOOTH SMALL RIM SPROCKET REPLACEMENT FITS STIHL 028 029 034 039 MS290 MS310 MS390 SAW. 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. Hardening process Thank you for making it available. A 7t will have more torque for longer bars and be able to lean on it more. , . } For the best experience on our site, be sure to turn on Javascript in your browser. .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} The default tooth count will offer the most versatile combination of speed and torque under varying conditions. Mostly cut hard wood length and using a big enough saw MS310 Husqvarna 15425450 5155 chainsaw 18720 Replacement Parts is... Granberg Alaskan Sawmills, Parts & Accessories, Skip to the points drive sprocket is no better or when... Must log in or register to reply here Kit for Stihl MS360 MS310 15425450! This topic Stihl Ms250 Ms230 Ms210 025 023 021 chainsaw Parts over $ 75, free //... ) an 8pin.404 is bigger than a 9pin.325 for example stihl 7 or 8 tooth sprocket prices at eBay are this... And share what has worked for me wouldnt belive 16 '' bar sprocket effectively made up the difference cut! 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