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To whoever has rebuilt a 670...

I am in the process of rebuilding a rotax 670 and made the mistake of not marking the rotary valve's position on the spline.... Does anyone have any guidelines, directions for finding the correct position of the rotary valve so the timing is correct? Thanks!
 
there is a timing procedure with a degree wheel that fits nicely over the splined shaft. try getting your hands on that section of the manual
 
I am in the process of rebuilding a rotax 670 and made the mistake of not marking the rotary valve's position on the spline.... Does anyone have any guidelines, directions for finding the correct position of the rotary valve so the timing is correct? Thanks!

I have the service manual with the procedure. If you can get your hands on a copy, it will be a life saver. Send me a PM for more info.
 
Go to your dealer & have them copy that section from their svc manual. That is what I did, you will have to buy a degree wheel from ski-doo as well unless they will loan you one.
 
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