Over 200+ free JavaScripts here! 8 pin on my another chainsaw and a narrow kerf chain. 7 tooth more torque-standard setup. For a better experience, please enable JavaScript in your browser before proceeding. The chart below is a very general guide to get you started but is in no way complete or definitive. Increasing the diameter/speed of the drive sprocket will reduce its applied power. Chainsaw Sprocket 3/8" pitch, 7 teeth Part #: 36-1619. .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} 30 day guarantee on all items, Safe Payments For orders over $75, Free Exchanges JavaScript seems to be disabled in your browser. Power Mate Rim/Sprocket System 3/8" Pitch-7 Tooth fits Stihl Chain saws. The sprocket on the tip are not like super worn as far as I can tell - there is some roundness to the points. Sharpening Oregon 45cm chain after hitting nail, and file longevity? */ 8 pin for bore cutting is too fast! The Forestry Forum is sponsored in part by: The default tooth count will offer the most versatile combination of speed and torque under varying conditions. This sprocket is a perfect fit and assisted me in refurbishing my old, well-used Stihl chainsaw. Package Include: 1pc Rim Sprocket, Free Ground Shipping We carry all top brands. If you stand or lean on it the 8t will bog easier. .404 AND 1/2 PITCH. . 0 Members and 1 Guest are viewing this topic. Good thing as it keeps us supplied with good firewood that we cut with the saws and split with a tractor attachment. Generally, one step up in tooth count (6 to a 7) or (7 to 8). They come from various sources. Bore 13mm (0.5118) Bearing 10mm x 13mm x 10mm. Toggle signature. But I bet it'll be fine. .cardIcon-icon[data-test="credit-card-icon-maestro"] { display:none !important;} Increasing chain speed requires increased lubrication. it looks like this: i do appreciate the insight on the 7 vs 8 tooth count. 2023 - Timber Therapy All rights reserved. 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. Hand Filing Chains - Switch to smaller diameter file as the chain tooth is getting narrower? Preatty sure im running that magic 1/1 clutching. 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. If it were mine Id want a 7 pin on that saw. var ry=Math.floor(Math.random()*myimages2.length) Some years more than others. Fits for STIHL 028 029 034 039 MS290 MS310 MS390 chainsaw. my old, well-used Stihl chainsaw. I just put an 8 pin 3/8" on the Hutzl 360 I just built and it cuts fast. on Chainsaws. OREGON 3/8P 8-TOOTH STANDARD 7 SPLINE POWER MATE RIM SPROCKET $10.50 Add to Cart 3/8 7TH SMALL SPLINE RIM SPROCKET $10.50 Add to Cart STIHL 7T CLUTCH DRUM RIM SPROCKET 3/8" $11.99 Add to Cart 325" 7T CHAIN DRIVE RIM SPROCKET FOR STIHL 026 028 028AV 029 039 034 036 MS200T $11.99 Add to Cart Drive sprocket is 3/85" pitch with 7 teeth. /* About the only two modern saws I can think of that may benefit from 404 are the Stihl MS880 and Husky 3120. Oregon Power Mate 32137 clutch rim sprocket drum 3/8 pitch 7-teeth fits Stihl 038 chainsaw. Fit it to your saw and see for yourself. Replace OREGON For 18720, Replace Stihl For 0006421249. We stock 8-tooth chain sprockets for a wide range of applications including; forestry, conveying, drive-sprockets, idle-sprockets, agricultural, engineer-class, and more. Here For The Long Haul! //specify random images below. The teeth of the chain sprocket press against the drive link tanks and the saw chain starts to rotate. //specify random images below. Do they both fit the same chains? Honestly I wouldn't have an 8 pin on a 3/8 20" 60cc saw unless I was cutting 10" and down in hardwood. Chain drive link count yes. It has cut up a "few" large trees over the years. Sign up for newsletter today. Free Ground Shipping I am going to try an 8 pin. The mountain pine beetle epidemic required fast learning in the art of tree felling and subsequent forestry practices to direct the forest's regrowth. What are the pro's and con's. .cardIcon-icon[data-test="credit-card-icon-american-express"] { display:none !important;} Feature 2-Stroke. 10% OFF. Product Description. 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 on Chainsaws, Started by mike_van You can have as many as you wish Most of the saw mechanics are under paid, and for the most part know little about the equipment they work on. Many professionals use these two combinations on their chainsaws to maintain consistent gearing between them. We welcome any feedback Please. var imagelinks=new Array() The marriage of an axe and a pickaroon whose Husqvarna Gas Chainsaw Power-to-Weight Ratio and Min/Max Bar Lengths. Tree cutting skills. It cost less to replace just the rim. Bundle 1. Changing the drive sprocket tooth count on your chainsaw will change its performance characteristics. 11190071003 Stihl 3/8 x7 tooth Rim and Sprocket [Stihl 038, MS380] quantity. imagelinks[4]="http://www.ezboardwalk.com/" For Stihl 034036039 MS290 MS310 MS360 B38. Bailey's is committed to keeping our site compliant with the American with Disabilities Act. It cuts more wood per tank of gas. Updated: 00/04/25 JavaScript is disabled. That saw has an impressive amount of torque. //specify corresponding links below $11.99 Shipping Weight 0.2 lbs. (I think my bar is ok. imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" I tend to reserve the 8t for ported 70cc and stock 90cc and larger, but I mostly cut hard wood. 6Pc Sprocket Rim 3/8" .325" .404"-7T/8T Kit For Husqvarna Stihl 2-Stroke Chainsaws . | Sitemap | Website Designed by. Free shipping for many products! What's the advantage of each? myimages2[3]="../../../images/top-banner/behindtheforum.jpg" BrandName Adefol. ModelNumber . 5,83 EUR. I'm just curious what others use. Sprocket size is shown: chain pitch by the number of teeth. Certification Other. Bar length and chain gauge have a big role in whether changing the sprocket will be a success or a failure. Just like the gears on a bicycle or your car, there is a balance that needs to be maintained for optimal performance. Decided to try 8 on a ported 55cc on a whimworks pretty good. for Stihl 028 at the best online prices at eBay! 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. Generally, one step down in tooth count (7 to a 6) or (8 to 7). Page created in 2.68 seconds with 39 queries. Sounds simple, but other factors may need to be addressed such as chain gauge and bar length. 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[5]="../../../images/top-banner/cookie-mizer.jpg" Share: >. JavaScript seems to be disabled in your browser. It may not display this or other websites correctly. It may not display this or other websites correctly. 7 tooth more torque-standard setup. So, the saw gets a good workout when it is needed. Thanks, makes sense. These are good quality sprockets. Ask for details. with the 8 on i have to be alittle finessy on how much pressure i have on the saw. Standard splined rims have an inside sprocket bore of approximately 7/8". ), 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. ry=1 If you have a 20" .404" bar available try a 7 teeth 404" sprocket. It may not display this or other websites correctly. The Pro Spur is made from quality heat treated steel and is popular for small professional chainsaws. } 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 Tooth Count. or requests on how to improve this sites accessibilty for all users. I run 7 on all my firewood saws, even the big ones.