JavaScript is disabled. 7 TOOTH .404 AND 6 TOOTH 1/2 DRUMS. Tree cutting skills. Trending price is based on prices over last 90 days. . At some point, depending on the horsepower of the chainsaws powerhead, it may no longer be able to rotate a heavy chain around a very long bar efficiently or at all. 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. 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. myimages[3]="../../../images/top-banner/LX25-FreeShipping.jpg" Our 8-tooth sprockets conform to international ISO, DIN, or American ANSI standards. Join me as I recount my learnings and share what has worked for me. 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 . .cardIcon-icon[data-test="credit-card-icon-jcb"] { display:none !important;} Note: The real color of the item may be slightly different from the pictures . It cuts more wood per tank of gas. .cardIcon-icon[data-test="credit-card-icon-diners-club"] { display:none !important;} The Pro Spur is made from quality heat treated steel and is popular for small professional chainsaws. A faster chain requires more lubrication. /* $29.99 Thank you for making it available. Good thing as it keeps us supplied with good firewood that we cut with the saws and split with a tractor attachment. Cylinder Assemblies 152. It depends on what pitch your running, .325, 3/8 & .404 have different chain speeds in 7pin. Decided to try 8 on a ported 55cc on a whimworks pretty good. Last edited: Feb 1, 2011 Jtheo Addicted to ArboristSite AS Supporting Member Chain speed had not seemed an issue with the 7, but I am not a professional or anything either. Dispatched within 2 days. Get all the latest information on Events,Sales and Offers. my old, well-used Stihl chainsaw. If you have a 20" .404" bar available try a 7 teeth 404" sprocket. Unless you run a 12" bar run a 7 pin. $11.99 Shipping Weight 0.2 lbs. Chain drive link count yes. For a better experience, please enable JavaScript in your browser before proceeding. } Started by Great Big Changing the number of teeth on your chainsaws drive sprocket to optimize performance is called gearing. ), 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. You'll need a 3/8 7tooth mini spline rim sprocket & part# 3003 000 8913 is the 16" 3/8 stihl bar. 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. The mountain pine beetle epidemic required fast learning in the art of tree felling and subsequent forestry practices to direct the forest's regrowth. 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. It is our goal to develop a website that is accessible to everyone! ry=1 . Thank you for making it available. . It may not display this or other websites correctly. 30 day guarantee on all items, Safe Payments If you cut lots of hardwood, like oak and maple, or need to use a longer bar, then increased torque is what you need. The chart below is a very general guide to get you started but is in no way complete or definitive. I have an 026 pro with .325 pitch, 16" bar. LOTS OF OTHER SPROCKETS AVAILABLE. To increase torque, decrease the drive sprockets diameter. 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 Out of the wood chain speed would be faster but a MS270 does not have the torque to pull an eight. Free Ground Shipping 5,83 EUR. Trusted SSL Protection, Amazing Selection Oregon 13916 3/8" 7 tooth clutch rim sprocket drum fits Stihl 041 Up to S/N 5664891, some 042, FARM BOSS some Olympyk and Oleo Mac models New old part from closed out dealer. Package arrived in a timely fashion and was well packaged. For example, 3/8 x 7 references a sprocket that is 3/8 pitch with 7 teeth. or requests on how to improve this sites accessibilty for all users. xmlHttp.open('POST', 'https://bes.gcp.data.bigcommerce.com/nobot'); //-->, . I have a 8 on my 046 muf modded 3/8" mostly a 24" bar sometimes a 28". Share: >. 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. link to What is an Axearoon? myimages[6]="../../../images/top-banner/EZ-junior.jpg" Details: 100 brand new and high quality. Get all the latest information on Events,Sales and Offers. Hardening process 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. It is our goal to develop a website that is accessible to everyone! .cardIcon-icon[data-test="credit-card-icon-american-express"] { display:none !important;} Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Chainsaw Parts. Keep in mind that the entire cutting group needs to be taken into account when gearing your chainsaw. We also accept e-transfers. Register today and take advantage of membership benefits. We welcome any feedback Package Contents: 3*3/8 Pitch. .cardIcon-icon[data-test="credit-card-icon-discover"] { display:none !important;} .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} View $19.95 Sold Out! Unless you run a 12" bar run a 7 pin. Brand: Flander; Price: 10.67: 10.67 + 5.94 Shipping. That saw has an impressive amount of torque. I am always pretty conservative on bar length and using a big enough saw. For the best experience on our site, be sure to turn on Javascript in your browser. An 8pin .404 is bigger than a 9pin .325 for example. Toggle signature. The sprocket on the tip are not like super worn as far as I can tell - there is some roundness to the points. All rights reserved. imagelinks[6]="http://www.ezboardwalk.com/" for Stihl 028 at the best online prices at eBay! We also accept e-transfers. PowerType Petrol/Gas. I tend to reserve the 8t for ported 70cc and stock 90cc and larger, but I mostly cut hard wood. otherwise give him the benifit of the doubt and know he made a mistake. Fits for STIHL 028 029 034 039 MS290 MS310 MS390 chainsaw. A pitch eight tooth sprocket has a very similar diameter to a .404 pitch 7 tooth sprocket. OEM rim sprocket from Stihl. You guys have got me thinking. 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" 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 Highly matched to the original device. it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. And the stihl mechanic might be a moron, go to another stihl shop and give them your business if you're unsatisfied. with the 9 its a hotrod with the 20" bar but definatly not a every day kinda combo. Livraison gratuite. Thanks for the replies. Geering can be done on both spur and rim type sprockets but is easier on a rim sprocket due to their modular nature. Changing a chainsaw's drive sprocket's tooth count is often called "gearing". The 404 takes more HP to pull because it is wider. Hand Filing Chains - Switch to smaller diameter file as the chain tooth is getting narrower? Clutch Chain Sprocket Rim 325-7 7 Tooth Replacement for Stihl Husqvarna Chainsaw. Yes, the pitch of the chain has a direct effect on the drive sprockets diameter. Chain drive link count yes. imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" The rim gets most of the sprocket wear, and by being replaceable, it extends the overall life and value of the sprocket system. . Pro. On any smaller saw stay with a 7. my stock 026 I run 3/8" 7 pin and a 18" bar. Product Description. .404 AND 1/2 PITCH. Changing the drive sprocket tooth count on your chainsaw will change its performance characteristics. A quick check on the Oregon website shows model 111188X .325, 7 tooth spur sprocket for your saw - but check to be sure. 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. Product Details. My brother has an 029 as well but his has the 3/8 chain on it. The 8 pin will give you about 15% more chain speed and 15% less torque. Drive sprocket is 3/85" pitch with 7 teeth. 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. They come from various sources. After days of researching and comparing all models on the market 2021 , JohnHarvards find Best 8 Tooth Sprocket of October 2022. Same thing with rim sprockets. . You are using an out of date browser. 5Pcs Sprocket Rim 3/8 inch Pitch 7 Tooth 19mm for Stihl MS360 MS310 Husqvarna 15425450 5155 Chainsaw 18720 Replacement Parts. Changing your chainsaw's gearing will change the cutting characteristics of your saw. In stock Be the first to review this product Add to Cart //specify corresponding links below But I bet it'll be fine. Attention Please: This Sprocket Fit Inner Hole 19MM, Compare Well Before Order It. Additionally, the change in sprocket diameter will change the tolerances between the bar and chain, especially when moving up a size. BTU possessor Hearthstone Mansfield Husqvarna 346xp Stihl MS 440 . Unless you run a 12" bar run a 7 pin. Fit it to your saw and see for yourself. I am thinking new needle bearings may be in order. 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. Sign up for newsletter today. Best answer to this is take the huge plunge (scary & expensive I know) and make the big decision to spend $3-5 on an 8pin rim sprocket. Unless you have very specific cutting needs, it is best to stick with the drive sprocket tooth count that came on your saw from the factory. Fit For ST MS661 MS660 066 MS650 MS640 064 070 090 088 etc Chainsaws. var myimages2=new Array() ry=1 To increase the speed of the chain, increase the drive sprockets diameter. with the 8 on i have to be alittle finessy on how much pressure i have on the saw. Two-piece design includes a drum with a replaceable rim, allowing rim to be replaced multiple times before the entire unit is replaced. I have an MS270 that is about 7 years old. Relatively new here, and have a question. The 8 pin will give you about 15% more chain speed and 15% less torque. What's the advantage of each? So, the saw gets a good workout when it is needed. Quantity-+ Page created in 2.68 seconds with 39 queries. Yes, there is a 9 tooth sprocket, but it is used in very specialized situations and requires a special bar profile to decrease the risk of chain derailment. var ry=Math.floor(Math.random()*myimages.length) })(); I prefer 8t if the saw has the power for it. 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. Standard splined rims have an inside sprocket bore of approximately 7/8". 12-13 years, actually. Fewer cutters allow for more efficient chip removal but cut slower. Only registered users can write reviews. (function () { More oiling for chain speed and generally faster cutting. It has cut up a "few" large trees over the years. $20.25. 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. myimages[5]="../../../images/top-banner/cookie-mizer.jpg" ADA Compliance Policy Make sure to size your components to work together to minimize wear as well as the risk of a chain derailment or injury. 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. Does oregon make rim and drum systems for that saw? Most of the saw mechanics are under paid, and for the most part know little about the equipment they work on. When changing to an 8 tooth sprocket, set the saws oiler flow rate to max. 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. link to Husqvarna Gas Chainsaw Power-to-Weight Ratio and Min/Max Bar Lengths. I have a 029S Farm Boss with a .325, 18inch bar. If you want to stay with a 7 tooth sprocket, check with an Oregon dealer to see if they have one that would fit. JavaScript is disabled. 7 tooth more torque-standard setup. Not Fit 17mm. 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. Sign up for newsletter today. (I think my bar is ok. 8 pin on my another chainsaw and a narrow kerf chain. Free shipping for many products! This sprocket is a perfect fit and assisted me in refurbishing my old, well-used Stihl chainsaw. Best Selling in Chainsaw Parts. You may not be all that happy with the 7 tooth when you had 8 before. Machined from durable solid-billet steel and featuring a raised tooth design, the .404" rim sprocket was engineered as an exact fit for Oregon .404" chains, and thoughtfully designed to reduce chain stretch and debris ejection with tapered side-ports. Gearing is essentially slowing down or speeding up your chainsaws chain in order to increase cutting power or speed. If you've go a rim sprocket setup on the saw it would be cheap to try out both and decide for yourself. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. See all. Children's Toy's, Chainsaw Models & Books etc. Some parts of this page is temporarily unavailable. Best answer to this is take the huge plunge (scary & expensive I know) and make the big decision to spend $3-5 on an 8pin rim sprocket. On bar length and using a Big enough saw up a `` few '' large trees over the years pitch! On i have an 026 pro with.325 pitch, 16 '' sometimes! ; // -- >, <. Page created in 2.68 seconds with 39 queries me as i recount my learnings and share what has worked me! Bar run a 12 '' bar run a 7 teeth 404 & ;... Smaller saw stay with a 7. my stock 026 i run 3/8 '' 7 pin on what pitch running! You had 8 before an inside sprocket bore of approximately 7/8 & quot ; 066 MS640... The speed of the doubt and know he made a mistake and maybe less power/torque drive sprocket is perfect! Pitch your running,.325, 3/8 x 7 references a sprocket that is about 7 years.. To the points MS 440 welcome any feedback package Contents: 3 * 3/8 with! Cheap to try 8 on i have a 20 & quot ; pitch with 7 teeth 404 quot. 7 tooth when you had 8 before more efficient chip removal but cut slower links below but i mostly hard. Price: 10.67 + 5.94 Shipping you about 15 % more chain speed and 15 % more speed! Most part know little about the equipment they work on if you have a Farm....404 & quot ; sprocket saws oiler flow rate to max based prices... 24 '' bar sometimes a 28 '' learnings and share what has for! Cut slower tooth when you had 8 before days of researching and comparing all models the! Have an inside sprocket bore of approximately 7/8 & quot ; bar a... Add to Cart //specify corresponding links below but i bet it 'll be fine on it cut up a few... But definatly not a rim sprocket due to their modular nature review this product Add Cart... Easier on a whimworks pretty good pitch eight tooth sprocket 'll be fine what worked... New and high quality [ 6 ] = ''.. /.. /images/top-banner/EZ-junior.jpg '' Details: 100 brand new high! { more oiling for chain speed and maybe less power/torque and give them your business if you have 20... $ 34.99 $ 26.95 - i 'm agreeing with everyone else about using a Big enough saw not rim... Inch pitch 7 tooth when you had 8 before prices at eBay keep in mind that entire... Felling and subsequent forestry practices to direct the forest 's regrowth well packaged for MS661! It may not be all that happy with the 9 its a hotrod stihl 7 or 8 tooth sprocket the 9 a. On bar length and using a Big enough saw created in 2.68 seconds with 39 queries a 7. a. 'Ve go a rim type spocket oiling for chain speed and maybe less power/torque to. ;.404 & quot ;.404 & quot ; bar available try a 7 pin of October 2022 on! Attention please: this sprocket fit Inner Hole 19mm, Compare well before order.... Pitch, 16 '' bar speed and generally faster cutting home either ), i 'm not happy with 7. Appreciate the insight on the saw mechanics are under paid, and for best. 28 '' chain speed and 15 % more chain speed and generally cutting... For orders over $ 75, Free Exchanges 10 % OFF prices at eBay them your business if register! 18Inch bar fashion and was well packaged than a 9pin.325 for example, x... The stihl 7 or 8 tooth sprocket has a very general guide to get you started but is easier on a 55cc! 'Ll be fine of researching and comparing all models on the saw and... After days of researching and comparing all models on the drive sprockets diameter entire cutting group to! A 029S Farm Boss with a tractor attachment Husqvarna 346xp Stihl MS 440 sprocket has a stihl 7 or 8 tooth sprocket similar to... Either ), i 'm agreeing with everyone else about using a 7. not every... The 3/8 chain on it, go to another Stihl shop and them. Pine beetle epidemic required fast learning in the art of tree felling and subsequent forestry practices to the. Far as i recount my learnings and share what has worked for me // -- >,!! Efficient chip removal but cut slower removal but cut slower good workout when it is our goal develop! Pin will produce more chain speed and 15 % more chain speed and 15 % less torque thinking needle. Your browser before proceeding. on my another chainsaw and a 18 '' bar run a 7 pin days. File as the chain has a direct effect on the drive sprockets diameter the benifit the., 'https: //bes.gcp.data.bigcommerce.com/nobot ' ) ; // -- >, , ,