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Can anyone tell me which model year primary clutches will mount to the '88 Formula MX? I want to get rid of the Polaris primary that came on it........I dont mind swapping springs if needed, just looking for what will mount up.

Oh, by the way....I hate to ask this......but it appears there are two oil reservoirs on this sled. What's that all about?

Thanks
Scott
 

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A Rotax TRA (Total Range Adjustment) will fit. The small reservoir is for the rotary valve gear drive assembly and the other is your injection oil. They both have injection oil in them.
 
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