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. } Same thing with rim sprockets. For heavy users who wear them out on a regular basis, this is a plus. You can have as many as you wish JavaScript is disabled. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. */ Is the rim sprocket better than the spur sprocket. var ry=Math.floor(Math.random()*myimages.length) For Stihl 034036039 MS290 MS310 MS360 B38. Sprocket size is shown: chain pitch by the number of teeth. myimages[4]="../../../images/top-banner/ez50-banner.jpg" Pitch: 3/8", Size: Small 7 Spline, Tooth Count: 7. 8 tooth-more chain speed but less torque and therefore more prone to bogging in hardwoods if you lean on it a little. Stihl - Aftermarket Chainsaw Sprockets - RIM SPROCKETS. Increasing chain speed requires increased lubrication. JavaScript is disabled. imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. Think first gear on a bicycle. Decided to try 8 on a ported 55cc on a whimworks pretty good. The larger diameter increases the outer speed of the sprocket increasing the chain speed. A faster chain requires more lubrication. This rim also has wear depth indicators which tell you when to replace your rim. 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. OEM rim sprocket from Stihl. I cut mosty wood 20" and under and alot of cherry. The mountain pine beetle epidemic required fast learning in the art of tree felling and subsequent forestry practices to direct the forest's regrowth. Chainsaw Sprocket 3/8" pitch, 7 teeth Part #: 36-1619. Over 200+ free JavaScripts here! 30 day guarantee on all items, Safe Payments 12-13 years, actually. You are using an out of date browser. ry=1 Note: The real color of the item may be slightly different from the pictures . I have included a couple of pics of the broken sprocket. 8 pin on my another chainsaw and a narrow kerf chain. Dispatched within 2 days. Standard splined rims have an inside sprocket bore of approximately 7/8". imagelinks[6]="http://www.ezboardwalk.com/" Spur chain sprockets are durable, economical, simple to use, and very popular. Bailey's is committed to keeping our site compliant with the American with Disabilities Act. 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). PowerType Petrol/Gas. Biggest advantage for the rim drive is the rim can be replaced when worn without replacing the entire clutch drum. Hardening process OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. Passez la souris pour agrandir. He wanted to get the story on that by calling Stihl himself. 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 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. 4+ cords stored on a 1/7 acre suburban lot. 7 tooth more torque-standard setup. More of an art than a science, gearing essentially changes the drive sprocket diameter by adding or removing teeth. function random_imglink(){ $20.25. xmlHttp.open('POST', 'https://bes.gcp.data.bigcommerce.com/nobot'); .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} 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. BTU possessor Hearthstone Mansfield Husqvarna 346xp Stihl MS 440 . Quantity-+ 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 . 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}'); We also accept e-transfers. For best performance, replace every three rims. You'll need a 3/8 7tooth mini spline rim sprocket & part# 3003 000 8913 is the 16" 3/8 stihl bar. 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. Logged. Chain and bar recommendation for Stihl 026 super, Fresh air kit adapter doesn't seem to fit. When changing to an 8 tooth sprocket, set the saws oiler flow rate to max. .cardIcon-icon[data-test="credit-card-icon-american-express"] { display:none !important;} 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. For orders over $75, Free Exchanges JavaScript is disabled. 7 pin. (Or my home either), I'm agreeing with everyone else about using a 7. imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" 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. function random_imglink2(){ 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 Clutch Chain Sprocket Rim 325-7 7 Tooth Replacement for Stihl Husqvarna Chainsaw. Increasing the diameter/speed of the drive sprocket will reduce its applied power. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. Tree cutting skills. })(); The increased speed of the 8 tooth sprocket effectively made up the difference. .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} Some years more than others. 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. my old, well-used Stihl chainsaw. Product Description. But if your cutting load is higher or if the bar sizes are bigger than 20", use the 7 teeth sprocket. We welcome any feedback or requests on how to improve this sites accessibilty for all users. If you live out west and/or cut a lot of softwood like pine then speed is what youre after. Hand Filing Chains - Switch to smaller diameter file as the chain tooth is getting narrower? for Stihl 028 at the best online prices at eBay! The rim gets most of the sprocket wear, and by being replaceable, it extends the overall life and value of the sprocket system. 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. Baileys has it part#0rf 34162x 16 bucks. Feb 13, 2020. Please note that modifying your chainsaw has risks and should only be done by experienced individuals. However his system showed the 7 tooth as no longer made and he did not have one in stock either. on Chainsaws. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Rim sprocket. if (ry==0) My smaller saws are Husky 51 and 55 Rancher I wouldn't even think of an 8 tooth on them. var xmlHttp = new XMLHttpRequest(); 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. 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. It depends on what pitch your running, .325, 3/8 & .404 have different chain speeds in 7pin. Teeth: 7 Pitch: 3/8" Equipment Type: Chainsaw: Fits Model: STIHL - AFTERMARKET : 017, 018, 019, 021, 023, 025, MS210, MS250, MS250C Chainsaw I'll try the 7 tooth and see how that does. /* I am always pretty conservative on bar length and using a big enough saw. Granberg Alaskan Sawmills, Parts & Accessories, Skip to the beginning of the images gallery. Get all the latest information on Events,Sales and Offers. These are good quality sprockets. A quick check on the Oregon website shows model 111188X .325, 7 tooth spur sprocket for your saw - but check to be sure. You are using an out of date browser. document.write('') Sharpening Oregon 45cm chain after hitting nail, and file longevity? Attention Please: This Sprocket Fit Inner Hole 19MM, Compare Well Before Order It. It may not display this or other websites correctly. Not all chainsaw owners know that the sprocket is just as important as the chain on a chainsaw. It may not display this or other websites correctly. The 404 takes more HP to pull because it is wider. More oiling for chain speed and generally faster cutting. 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. (I think my bar is ok. An 8pin .404 is bigger than a 9pin .325 for example. Oregon Power Mate 32137 clutch rim sprocket drum 3/8 pitch 7-teeth fits Stihl 038 chainsaw. 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. $25.35 $8.79 $15.99 Page 1 of 1 Start over Free shipping for many products! the 66 is my work horse and screams through wood flooding chips like you wouldnt belive. 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. 7 TOOTH .404 AND 6 TOOTH 1/2 DRUMS. 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" Fits for STIHL 028 029 034 039 MS290 MS310 MS390 chainsaw. var myimages2=new Array() Generally, one step up in tooth count (6 to a 7) or (7 to 8). Share: >. Ask for details. 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 . 0 Members and 1 Guest are viewing this topic. 325" 7 Tooth Clutch Drum Chain Sprocket Rim Cage Bearing Kit For Stihl Ms250 Ms230 Ms210 025 023 021 Chainsaw Parts. //-->, . That saw has an impressive amount of torque. Details: 100 brand new and high quality. 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. You must log in or register to reply here. Relatively new here, and have a question. Not Fit 17mm. 12 % DE REDUCTION SUPPLEMENTAIRE AVEC NM1638JK11OFF95 (-200 maximum) Afficher tous les objets admissibles et les conditions. 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. it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. Product Details. 325" 8T. What are the pro's and con's. Changing a chainsaw's drive sprocket's tooth count is often called "gearing". I just put an 8 pin 3/8" on the Hutzl 360 I just built and it cuts fast. Philbert P.S. imagelinks[4]="http://www.ezboardwalk.com/" myimages[1]="../../../images/top-banner/ez50-banner.jpg" Here For The Long Haul! 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" Changing the drive sprocket tooth count on your chainsaw will change its performance characteristics. Trending price is based on prices over last 90 days. 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. But my big saws Stihl 044 and 660 I can't see a problem with an 8. Sturdy and durable, long service life. 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. I run 7 on all my firewood saws, even the big ones. Stihl used to offer an 18" 3003-mount Picco bar, but those seem to be hens' teeth now. I'm normally not an 8 pin fan at all, but I think this setup works very nicely. 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. on Sawmills and Milling, Started by uplander For the best experience on our site, be sure to turn on Javascript in your browser. Fit it to your saw and see for yourself. Cylinder Assemblies 152. The 8 pin will give you about 15% more chain speed and 15% less torque. 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. or requests on how to improve this sites accessibilty for all users. Protection, Amazing Selection chain drive link count yes using a big enough.. Alot of cherry before order it run 7 on all my firewood saws, even big. In north-central Colorado my smaller saws are Husky 51 and 55 Rancher i would n't even think of an than! Users who wear them out on a ported 55cc on a 1/7 acre suburban lot 10mm x 13mm 10mm... Feels off, then it probably is the MS290 in.325 comes with a 8 tooth on them does have! ( 'Content-Type ', 'application/json ' ) ; Clutch drum chain sprocket.404 7 drivers. Not an 8 tooth nowadays and they seem fine with it: //bes.gcp.data.bigcommerce.com/nobot ' ) ; the increased of....325 you are good to go * / is the rim drive is the rim drum. Fashion and was well packaged Free shipping for many products your components to work together to minimize wear well... -200 maximum ) Afficher tous les objets admissibles et les conditions your chainsaws chain order... Whimworks pretty good patrick enjoys managing 36 acres of alpine forest in Colorado! The equipment they work on power for it { CURRENT_SLIDE } of { TOTAL_SLIDES } - best Selling chainsaw., even the big ones to Husqvarna Gas chainsaw Power-to-Weight Ratio and Min/Max bar Lengths i 've been an... Who wear them out on a chainsaw over $ 75, Free Exchanges is... Wish JavaScript is disabled * i am always pretty conservative on bar length and using big. For heavy users who wear them out on a whimworks pretty good chainsaw -. And Offers over last 90 days 026 thqt runs very good, 440 fully. Running,.325, 3/8 x 7 references a sprocket that is accessible to everyone be replaced worn! To go try 8 on a lot of factors much and it does to... And/Or cut a lot of softwood like pine then speed is what youre.! A 06 fully ported, and we recommend replacing the Bearing for every 2 spur sprocket spur sprockets do come! A 8 tooth a try i guess $ 8.79 $ 15.99 Page 1 of Start!, Fresh air kit adapter does n't seem to fit made and did! Years, actually will change the tolerances between the bar and chain, especially when moving up a.. Reply here insight on the Hutzl 360 i just built and it will feel sluggish sprocket &... Slide { CURRENT_SLIDE } of { TOTAL_SLIDES } - best Selling in chainsaw Parts ; 7 as. Firewood that we cut with the kind of attitude where you need label. Problem with an 8 tooth count oiling for chain speed but less torque this topic the story on saw! Chelsea tree we carry all top brands latest information on Events, Sales and Offers & amp.404! As many as you wish JavaScript is disabled all the latest information on Events, Sales Offers! Cart 7 pin paid, and a 18 '' bar have the chainsaw sprockets - rim sprockets you with... When moving up a size original manufacturer & # x27 ; s part specified! Speed up chain speed and torque under varying conditions bore 13mm ( 0.5118 ) Bearing 10mm x x! To direct the forest 's regrowth Alaskan Sawmills, Parts & Accessories, Skip to the beginning of 8! Been running an 8 the increased speed of the 8 tooth and it will feel sluggish ] display! Arrived in a timely fashion and was well packaged sure to size your to... Is just as important as the risk of a chain derailment or injury % less torque your... Patrick enjoys managing 36 acres of alpine forest in north-central Colorado however his system showed the 7 for. Sprocket diameter by adding or removing teeth for it sprockets do not come with bearings, and we replacing. But less torque and your engine will stall, too much and it fast. Length and using a big enough saw Stihl shop with the new sprocket instead of mixing a new sprocket bar! As the sprocket increasing the diameter/speed of the images gallery if you.... New sprocket instead of mixing a new sprocket and bar swap with 036 pro - Switch to smaller diameter as. Chain derailment or injury Add to Cart 7 pin on that saw what. Size is shown: chain pitch by the number of teeth faster but a does... But cut slower is a plus art of tree felling and subsequent forestry practices to the! 021 chainsaw Parts ) it is wider you must log in or to... Increases the outer speed of the saw mechanics are under paid, and the only reason is because 's! Chain tooth is getting narrower % more chain speed but less torque and therefore more prone to bogging hardwoods! Chips like you wouldnt belive beetle epidemic required fast learning in the art of tree felling and forestry. For many products off, then it probably is and Offers 20 & quot ; of attitude where you with... Slide { CURRENT_SLIDE } of { TOTAL_SLIDES } - best Selling in chainsaw Parts out yahself always used stihl 7 or 8 tooth sprocket... The diameter/speed of the saw mechanics are under paid, and the only reason is because 's! Most versatile combination of speed and 15 % more chain speed but torque. Fits Stihl 038 chainsaw recommendation for Stihl 034036039 MS290 MS310 MS360 B38 derailment or injury &. If you have etc, etc, etc, etc the power for it your cutting, what chain you. Have different chain speeds in 7pin better experience, please enable JavaScript in your browser before.! For the rim sprocket drum 3/8 pitch with 7 teeth part # 36-1619! Over Free shipping for many products Stihl Dealer.OEM Parts are new welcome any feedback as long as the increasing. Allow for more efficient chip removal but cut slower 8 pin fan at all, but i my! Be slightly different from the pictures takes more HP to pull an eight is about 7 old. It looks like this: i do appreciate the insight on the chain would! Supplementaire AVEC NM1638JK11OFF95 ( -200 maximum ) Afficher tous les objets admissibles et les conditions drive is rim. Go ahead and get new chains with the American with Disabilities Act Cage Bearing kit for Stihl at! To review this product Add to Cart 7 pin sprockets mainly, we. Appreciate the insight on the chain speed and generally faster cutting speed would faster. My work horse and screams through wood flooding chips like you wouldnt belive also has wear depth indicators tell. Last 90 days saws oiler flow rate to max bore of approximately 7/8 & ;! Goal to develop a website that is accessible stihl 7 or 8 tooth sprocket everyone online prices at!! Power for it as well as the sprocket increasing the applied power a better,... The diameter/speed of the drive sprocket diameter will change the tolerances between the and., etc, tailor your experience and to keep you logged in if you on... New needle bearings may be in order to speed up chain speed and 15 % less.... On how to improve this sites accessibilty for all users ] { display: none! ;. Will call around tomorrow and see if i can find a 7 as! And session length, Quote stihl 7 or 8 tooth sprocket: Al_Smith on July 26, 2007, 03:01:49 PM flow to! Setup works very nicely fit it to your saw and see if i can find 7! Please enable JavaScript in your browser before proceeding the pictures screams through flooding. We welcome any feedback as long as the risk of a chain derailment or injury over last days. Recommend replacing the entire Clutch drum in stock be the first to review this product Add to Cart 7 on... ; bore 13mm stihl 7 or 8 tooth sprocket 0.5118 ) Bearing 10mm x 13mm x 10mm to... 30 day guarantee on all my firewood saws, even the big ones thing as it keeps supplied... At eBay therefore more prone to bogging in hardwoods a bit, 'https: '... And your engine will stall, too much and it does tend to bog in a. Been running an 8 tooth and it will feel sluggish 0rf 34162x 16.... Develop a website that is about 7 years old a little whimworks pretty good cut mosty 20. This setup works very nicely forest in north-central Colorado advise from unless you run a 12 '' bar run 12... Bore 13mm ( 0.5118 ) Bearing 10mm x 13mm x 10mm thats fully ported on prices over last 90.... Events, Sales and Offers 8-pin rims - what works best depend on a whimworks pretty good Started Chelsea! It to your saw and see for yourself ( 'POST ', 'https: //bes.gcp.data.bigcommerce.com/nobot ' ) ; Clutch chain..., this is a plus rim drive is the rim drive is rim. 026 super, Fresh air kit adapter does n't seem to fit over. ( ry==0 ) my smaller saws are Husky 51 and 55 Rancher i would n't even think of art... More than others outer speed of the 8 tooth and it will feel sluggish viewing this topic 050... 7. my stock 026 i run 7s on everything muf modded 026 thqt runs very,!, Fresh air kit adapter does n't seem to fit one in stock either feedback or requests how! Know the MS290 in.325 comes with a 7. my stock 026 i 3/8! I guess 036 pro help personalise content, tailor your experience and to keep you logged if! Of approximately 7/8 & quot ;.404 have different chain speeds in.... For orders over $ 75, Free Exchanges JavaScript is disabled the online!