Secondary clutch, is it supposed to do this?

Ola

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Jan 6, 2006
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Yes i am a rookie to this snowmobile stuff, only been doing bikes and cars before.. Therefor i must ask:

On other snowmobiles, ive heard that they have to use tools to allign primery and secondary, so that the belt goes in a straight line between them..

My secondary clutch is a little different.. If i take of the belt, i can move the sec clutch in/out on the shaft, about 5mm (or so).. This means that it will alligne itself against the primary when driving right? Or shouldnt i be able to move it in/out at all?


Perhaps a stupid Q, but i like knowing not guessing.. Guessing can make me get stuck in the mountains...
 

Its supposed to be moveable sideways but 5 mm sounds like alot.. I guess you don't have a shim behind your secondary?
 
Not shure.. it moves somwhere between 3-5mm.. didnt measure this..

A fact statement on how this should be, would be helpful..
 
Ola said:
Not shure.. it moves somwhere between 3-5mm.. didnt measure this..

A fact statement on how this should be, would be helpful..

If I remember right the manual says 2mm but I have more movement than this on my viper and I have never had any problem with this.
 
that is the factory's way of getting the alignment in spec, by putting in a 'fudge factor' of space that will allow it to "self align." Thing is, when you are under power do you really think that secondary is going to move laterally with all that torsional load on it? Won't happen. Best thing to do in my opinion is to get the alignment tool, some inner and outer secondary shims from yamaha (ones that fit behind the secondary over the jackshaft, and the ones on the outside that dont fit over the shaft). Get the alignment dead on with the tool and use the shims to lock the secondary in this position. If you do this and have a torque arm on the engine with proper alignment, your clutching will always be as efficient as it can be alignment-wise, and there is no guess work or fudge factor. Most people dont understand how much a good alignment setup will add track horsepower.
 


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