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Discussion Starter · #1 ·
May need a little help here. Got an 02 ZR600EFI that wants to surge when just going down the trail under 7000rpms. Seems worse about 6200-7000 at kind of that cruising speed. Power valves are all cleaned and adjusted. Had 125 pounds compression and put rings in anyway since up around 3500 miles and all looked good inside. V-Force reeds look good too. Dealer thought maybe the safety valves in tank were bad, so put both of those in also. Normal lights on CDI when starting.

Any other ideas???
Thanks
 

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Discussion Starter · #4 ·
No it started way after the reeds were installed. Have had the clutches off but been thinking of checking again.
This surge is very noticable to the point it pisses me off. Up and down, up and down, sort of like a governor. It's got me.......
 
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