spedometer not constant ?

oklakeflyer

Recruit
Joined
Jun 29, 2011
Messages
1
Hi all, this is my first post, i have a 94 230 sea ray with a 5.0 alpha 1,the speedo works fine sometimes then it will drop slowly to zero, then rise back up to the right speed, just not steady, drive could be gen 2 not sure how to tell difference? thanks
 
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