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Hi,

I am hoping someone can help me. I have a 2006 GTX and last year I was getting a strange noise when at around 7000 RPM. I brought it to the dealer and they told me the starter drive was vibrating out at high RPM and hitting the flywheel so they took off the end cap, the spring that forces the starter drive back in place after the engine has starter and the bendix/starter drive. The snowmobile worked fine all winter and I just used pull cord. I replaced all the parts this summer but the same thing is happening (only at 5k or higher RPM...not at idle). There is only about 1/4 gap when the starter is not engaged - is this normal? There seems like there is quite a bit of tension on the spring to hold it in place so it seems strange that it is vibrating out. Is there something else that could be wrong? Is there anything I can do?

Any help is greatly appreciated.
Thanks!
 

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7000 rpm could be just the right vibration frequency to make the bendix/ pinion bounce against the spring to hit the ring gear. Make sure all the starter bolts are tight and the motor mounts are in good shape. This might be enough to dampen the vibration.
 

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I'm having the same problem with my 04 ski doo gsx 600ho. It only comes out and hits at high rpm it will start moving and popping out hitting fly wheel.
 

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Waking up a 9 year old thread here.

1st thing is check the spring. Even put in a stronger one. Most electric rebuild shops will have a decent selection.

The other thing would be to put some shims between the starter and the bracket. Maybe move it away 1-2mm and see if that helps.
 

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Waking up a 9 year old thread here.

1st thing is check the spring. Even put in a stronger one. Most electric rebuild shops will have a decent selection.

The other thing would be to put some shims between the starter and the bracket. Maybe move it away 1-2mm and see if that helps.
I did change the spring and it seemed to help a little but not totally. I heard they make a heavy duty spring for them but I haven't been able to find one yet. Didn't realize how old the thread was, I was just looking for answers, figured it would have been answered by now. If I find the correct fix I'll be sure and share.
 
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