I try to take decent care of the chains. An 8pin .404 is bigger than a 9pin .325 for example. This according to them in order to speed up chain speed. or requests on how to improve this sites accessibilty for all users. 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" I've been running an 8 tooth and it does tend to bog in hardwoods a bit. Hand Filing Chains - Switch to smaller diameter file as the chain tooth is getting narrower? 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. Chainsaw Sprocket 3/8" pitch, 7 teeth Part #: 36-1619. 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. 12-13 years, actually. 7 TOOTH .404 AND 6 TOOTH 1/2 DRUMS. Estimate Shipping Cost. If it were mine Id want a 7 pin on that saw. I have an 026 pro with .325 pitch, 16" bar. For a better experience, please enable JavaScript in your browser before proceeding. Out of the wood chain speed would be faster but a MS270 does not have the torque to pull an eight. link to What is an Axearoon? OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. Highly matched to the original device. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. i will call around tomorrow and see if i can find a 7 tooth version elsewhere. I cut mosty wood 20" and under and alot of cherry. /* Sprocket size is shown: chain pitch by the number of teeth. .cardIcon-icon[data-test="credit-card-icon-american-express"] { display:none !important;} Drive sprocket is 3/85" pitch with 7 teeth. I'll stick with a 7t if it struggles to bury the bar. var imagelinks2=new Array() Thanks for the replies. As far as I know the MS290 in .325 comes with a 8 tooth nowadays and they seem fine with it. Our 8-tooth sprockets conform to international ISO, DIN, or American ANSI standards. 100% brand new. 8 tooth-more chain speed but less torque and therefore more prone to bogging in hardwoods if you lean on it a little. 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 Fits Stihl model 029, 034, 034 Super, 036, 039, MS 290, MS 310, MS 360, MS 360 C, MS 360 Pro, MS 360 QS, MS 390 Chainsaws. 11190071003 Stihl 3/8 x7 tooth Rim and Sprocket [Stihl 038, MS380] quantity. (function () { Lubrication is important. Unless you run a 12" bar run a 7 pin. 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 Thanks for the replies. function random_imglink2(){ An 8pin .404 is bigger than a 9pin .325 for example. That saw has an impressive amount of torque. The 8 pin will give you about 15% more chain speed and 15% less torque. if (ry==0) Package Include: 1pc Rim Sprocket, Free Ground Shipping var ry=Math.floor(Math.random()*myimages.length) Chain drive link count yes. You are using an out of date browser. Ask for details. Standard splined rims have an inside sprocket bore of approximately 7/8". I am thinking new needle bearings may be in order. It depends on what pitch your running, .325, 3/8 & .404 have different chain speeds in 7pin. Most of the time going from a 7 tooth to an 8 tooth sprocket is no better or worse when using a standard chain. Do they both fit the same chains? 10% OFF. Think first gear on a bicycle. IT saved belts and made my sled really respond the way I like. For best performance, replace every three rims. 5 x CHAINSAW CHAIN SPROCKET RIM 3/8 7 tooth Small for Stihl Husqvarna & MORE AU $33.29 Free postage or Best Offer 2 x STIHL Genuine Rim Sprocket 3/8 x 7T for MS362, MS381, MS441 # 0000 642 1223 AU $24.00 Free postage STIHL Genuine MS362, MS362C, MS462C Clutch Cover / Sprocket Cover #1140 640 1703 AU $76.16 AU $10.00 postage 21 watching 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. I'm normally not an 8 pin fan at all, but I think this setup works very nicely. To increase the speed of the chain, increase the drive sprockets diameter. The 404 takes more HP to pull because it is wider. - Welcome to A.S.! Some years more than others. imagelinks[1]="http://www.ezboardwalk.com/" ry=1 For the best experience on our site, be sure to turn on Javascript in your browser. */ . Fit For ST MS661 MS660 066 MS650 MS640 064 070 090 088 etc Chainsaws. ), 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. Logged. We also accept e-transfers. Spur chain sprockets are durable, economical, simple to use, and very popular. Two-piece design includes a drum with a replaceable rim, allowing rim to be replaced multiple times before the entire unit is replaced. A quick check on the Oregon website shows model 111188X .325, 7 tooth spur sprocket for your saw - but check to be sure. Only registered users can write reviews. Clutch drum with rim. View $19.95 Sold Out! $20.25. For a better experience, please enable JavaScript in your browser before proceeding. Honestly I wouldn't have an 8 pin on a 3/8 20" 60cc saw unless I was cutting 10" and down in hardwood. ADA Compliance Policy 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. this particular stihl shop is the closest one to my home, but is still about 15 miles out of the way. Do I need one? Product Details. It depends on what pitch your running, .325, 3/8 & .404 have different chain speeds in 7pin. It's simply torque multiplication Children's Toy's, Chainsaw Models & Books etc. Most of the saw mechanics are under paid, and for the most part know little about the equipment they work on. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Replace for Oregon 18720(.325", 7 Tooth, Small 7 Spline, 19mm) Made of high quality metal material . Feature 2-Stroke. Page created in 2.68 seconds with 39 queries. Updated: 00/04/25 (I think my bar is ok. myimages[6]="../../../images/top-banner/EZ-junior.jpg" They come from various sources. 7 tooth more torque-standard setup. I usually don't cut much bigger than 12" with this saw. Feature Other. Make sure your bar chain and drive sprocket are all the same gauge and pitch. 10% OFF. Additionally, the change in sprocket diameter will change the tolerances between the bar and chain, especially when moving up a size. my old, well-used Stihl chainsaw. Trusted SSL Protection, Amazing Selection Chain speed had not seemed an issue with the 7, but I am not a professional or anything either. - I'm not happy with it!). if (ry==0) Running it harder or longer wont fix the problem. If you've go a rim sprocket setup on the saw it would be cheap to try out both and decide for yourself. myimages[1]="../../../images/top-banner/ez50-banner.jpg" The 8 pin will give you about 15% more chain speed and 15% less torque. .cardIcon-icon[data-test="credit-card-icon-jcb"] { display:none !important;} For orders over $75, Free Exchanges Why does my Stihl 029 Super list both a 7 tooth and 8 tooth sprocket for .325 pitch? Stihl - Aftermarket Chainsaw Sprockets - RIM SPROCKETS. 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 Purchasing a chainsaw can be difficult for the first-time buyer. For Stihl 034036039 MS290 MS310 MS360 B38. I use the saw several times a year on average. document.write('') All rights reserved. Trending price is based on prices over last 90 days. CALLS ONLY -- ERIK 707 76two-324nine. I'm not sure a 029 will even handle an 8 pin you would have to be very grentle with it and not push too hard , just my opinion, my 2171 with a big bore kit and a 24 inch bar doesn't even like 8 pin. whatever. A 7t will have more torque for longer bars and be able to lean on it more. Just try both 7- and 8-pin rims - what works best depend on a lot of factors. You may not be all that happy with the 7 tooth when you had 8 before. ADA Compliance Policy Clutch Drum Chain Sprocket .404 7 Tooth For Stihl 075 076 050 051 Chainsaw 1111 640 2002. 5,36 EUR. Granberg Alaskan Sawmills, Parts & Accessories, Skip to the beginning of the images gallery, Stihl OEM Spur Chain Sprocket (.325" x 7) for 024, 026, MS 240, 260 Chainsaws. imagelinks[4]="http://www.ezboardwalk.com/" Please. 8 tooth. Here For The Long Haul! Best Selling in Chainsaw Parts. Get all the latest information on Events,Sales and Offers. Details: 100 brand new and high quality. Yeah, itll pick up chain speed, but loose torque. For A/R & A/P office admin inquires use walkerssaw@shaw.ca, 2023 Walker's Saw Shop LTD. But. Get all the latest information on Events,Sales and Offers. Extend operational life by maximizing chain and bar groove alignment. More oiling for chain speed and generally faster cutting. var xmlHttp = new XMLHttpRequest(); //specify corresponding links below Unless you run a 12" bar run a 7 pin. About the only two modern saws I can think of that may benefit from 404 are the Stihl MS880 and Husky 3120. 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 . Changing the number of teeth on your chainsaws drive sprocket to optimize performance is called gearing. /* I run 7 on all my firewood saws, even the big ones. . Gearing is essentially slowing down or speeding up your chainsaws chain in order to increase cutting power or speed. I am going to try an 8 pin. 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. And the stihl mechanic might be a moron, go to another stihl shop and give them your business if you're unsatisfied. Well, that's an axearoon. Package arrived in a timely fashion and was well packaged. Not all chainsaw owners know that the sprocket is just as important as the chain on a chainsaw. As long as the sprocket is .325 you are good to go. The rim gets most of the sprocket wear, and by being replaceable, it extends the overall life and value of the sprocket system. Trusted SSL Protection, Amazing Selection We welcome any feedback 6Pc Sprocket Rim 3/8" .325" .404"-7T/8T Kit For Husqvarna Stihl 2-Stroke Chainsaws . I have used 7 pin sprockets mainly, and the only reason is because that's what we always used. 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] xmlHttp.open('POST', 'https://bes.gcp.data.bigcommerce.com/nobot'); Changing your chainsaw's gearing will change the cutting characteristics of your saw. xmlHttp.open('POST', 'https://bes.gcp.data.bigcommerce.com/nobot'); myimages2[1]="../../../images/top-banner/behindtheforum.jpg" the 66 is my work horse and screams through wood flooding chips like you wouldnt belive. Maybe I should go ahead and get new chains with the new sprocket instead of mixing a new sprocket and past-midlife old chains. Spline Type Tooth Count - Chain Pitch Standard 6 8 Tooth - .404" Small 7 7 Tooth - .325", 7 Tooth - 3/8", 8 Tooth - .325" Standard 7 7 Tooth - 3/8", 7 Tooth - .404", 8 Tooth - 3/8", 8 Tooth - .404", 9 Tooth - .325" Oregon Power Mate Replaceable Rims Radial Ports See the back for an explanation of these Oregon symbols . Bailey's is committed to keeping our site compliant with the American with Disabilities Act. If you replace the components that. The Forestry Forum is sponsored in part by: 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). var imagelinks=new Array() 12 % DE REDUCTION SUPPLEMENTAIRE AVEC NM1638JK11OFF95 (-200 maximum) Afficher tous les objets admissibles et les conditions. Be careful who you learn or take advise from. I am always pretty conservative on bar length and using a big enough saw. Thanks, makes sense. The 8T will cut A LOT faster if you let the saw do the cutting and not force it and the saw has the power to pull the large rim. Chain drive link count yes. Register today and take advantage of membership benefits. These are good quality sprockets. 8 pin on my another chainsaw and a narrow kerf chain. var myimages=new Array() Hardening process 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). If you cut lots of hardwood, like oak and maple, or need to use a longer bar, then increased torque is what you need. .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} You know when you have an idea that looks good on paper, but in reality, it is far less effective than you thought it would be? You'll need a 3/8 7tooth mini spline rim sprocket & part# 3003 000 8913 is the 16" 3/8 stihl bar. It is our goal to develop a website that is accessible to everyone! .cardIcon-icon[data-test="credit-card-icon-discover"] { display:none !important;} Decided to try 8 on a ported 55cc on a whimworks pretty good. Pitch: 3/8", Size: Small 7 Spline, Tooth Count: 7. 1*7 Tooth Sprocket. Dispatched within 2 days. Experience taught me that. Yes, the pitch of the chain has a direct effect on the drive sprockets diameter. The sprocket on the tip are not like super worn as far as I can tell - there is some roundness to the points. I mostly cut hardwood. Attention Please: This Sprocket Fit Inner Hole 19MM, Compare Well Before Order It. 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. Feature SingleCylinder. BrandName Adefol. OREGON 3/8P 8-TOOTH STANDARD 7 SPLINE POWER MATE RIM SPROCKET $10.50 Add to Cart STIHL 7T CLUTCH DRUM RIM SPROCKET 3/8" $11.99 Add to Cart STIHL CHAINSAW CLUTCH DRUM RIM SPROCKET 3/8 7TH SMALLER SPLINE (00006421231) $11.99 Add to Cart OREGON POWER MATE SPROCKET SYSTEM $35.75 Add to Cart STIHL CHAINSAW CLUTCH DRUM RIM SPROCKET P-7 3/8LP Picco 7T Stihl used to offer an 18" 3003-mount Picco bar, but those seem to be hens' teeth now. 5,83 EUR. or requests on how to improve this sites accessibilty for all users. Free shipping for many products! with the 8 on i have to be alittle finessy on how much pressure i have on the saw. Some parts of this page is temporarily unavailable. Philbert P.S. . 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 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] Part Number 29175X $ 41.65. })(); Cylinder Assemblies 152. } 5.0 out of 5 stars based on 17 product ratings, 4.9 out of 5 stars based on 98 product ratings, 4.6 out of 5 stars based on 42 product ratings, 5.0 out of 5 stars based on 4 product ratings, 5.0 out of 5 stars based on 20 product ratings, 4.9 out of 5 stars based on 35 product ratings, 5.0 out of 5 stars based on 2 product ratings. NO E-MAILS OR TEXTS. But if your cutting load is higher or if the bar sizes are bigger than 20", use the 7 teeth sprocket. 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" 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.
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