Bruce_Blaine Posted April 19, 2010 Report Share Posted April 19, 2010 So I was riding my 01 banshee for about 10 minutes the other day, had it running about halfway through 6th. It seemed to me like it was running fine. So I go to pull it back in the garage and boom. Wheels like up, and I can't get it in or out of gear. We pull the engine and transmission all off and look at it and the back right gear (if your rods are facing you) has one tooth that is bent completely sideways. I have no idea how it didn't break or have any idea how it happened. But the question I have to you guys is to what I should do. It didn't bend for no reason, should I buy a whole new transmission or replace the bad cog? Quote Link to comment Share on other sites More sharing options...
blowit Posted April 19, 2010 Report Share Posted April 19, 2010 So I was riding my 01 banshee for about 10 minutes the other day, had it running about halfway through 6th. It seemed to me like it was running fine. So I go to pull it back in the garage and boom. Wheels like up, and I can't get it in or out of gear. We pull the engine and transmission all off and look at it and the back right gear (if your rods are facing you) has one tooth that is bent completely sideways. I have no idea how it didn't break or have any idea how it happened. But the question I have to you guys is to what I should do. It didn't bend for no reason, should I buy a whole new transmission or replace the bad cog? First thing is to find out why the trans locked. That cracked tooth is likely the "fuse" that took the load when the trans locked. I have seen it many times when the chain locks to the case. The instant stall of rotating, high inertial parts is never good. I am suspecting that gear is welded to the trans axle. Remove all your gears from their axles and go from there. There are 2 gears coming for welding in the Banshee. The new replacement gears will have better bronzed bearings on them and should not happen again. I think Yamaha caught this one without telling anyone.... RE: gear replacement - is is always a good idea to replace the corresponding gear that failed. IE, 2nd drive failed, you replace 2nd drive and 2nd driven. This is not always the norm but in your situation, you have over loaded that gear so it's mate may be invisibly fractured. Mull Engineering Quote Link to comment Share on other sites More sharing options...
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