If you want to stay with a 7 tooth sprocket, check with an Oregon dealer to see if they have one that would fit. Started by Great Big Estimate Shipping Cost. What's the advantage of each? Oregon Chain Grinder vs. Stihl chain angles, Location: Northwestern Ohio in the center of a giant corn field. Toggle signature. Chain drive link count yes. Please note that modifying your chainsaw has risks and should only be done by experienced individuals. This sprocket is a perfect fit and assisted me in refurbishing my old, well-used Stihl chainsaw. 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. Purchasing a chainsaw can be difficult for the first-time buyer. And the stihl mechanic might be a moron, go to another stihl shop and give them your business if you're unsatisfied. Generally, one step up in tooth count (6 to a 7) or (7 to 8). Package Contents: 3*3/8 Pitch. Bar length and chain gauge have a big role in whether changing the sprocket will be a success or a failure. 5,83 EUR. Geering can be done on both spur and rim type sprockets but is easier on a rim sprocket due to their modular nature. See all. 12-13 years, actually. Find many great new & used options and get the best deals for Stihl sprocket 1118 640 2001 8 mm, 0.325'', 7 teeth original new! He wanted to get the story on that by calling Stihl himself. Yes, the pitch of the chain has a direct effect on the drive sprockets diameter. A quick check on the Oregon website shows model 111188X .325, 7 tooth spur sprocket for your saw - but check to be sure. 8 tooth-more chain speed but less torque and therefore more prone to bogging in hardwoods if you lean on it a little. The 8 pin will produce more chain speed and maybe less power/torque. For the best experience on our site, be sure to turn on Javascript in your browser. The 404 takes more HP to pull because it is wider. 2023 - Timber Therapy All rights reserved. Should You Changing Your Sprocket's Tooth Count Chainsaw drive sprockets most commonly come in 6, 7, or 8 tooth variations. The rim gets most of the sprocket wear, and by being replaceable, it extends the overall life and value of the sprocket system. Sturdy and durable, long service life. 10, Mo is bedder! Well, that's an axearoon. //-->,