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RS
Reviewed in the United States on August 28, 2022
Piston and bore are like .25mm smaller than the yammy oem setup. Thats ok...i can accept that. The bore to piston sizing was perfect so thats all the really matters to me. What i didnt like is the ring thicknesses... The yammy oem rings are about 20% thicker than these. The oil scrubber set is nearly double the thickness (all 3 as an assembly).But the machine does run. I used a yamaha oem head gasket though. Thats the only one i bought. We'll see how long it lasts!!!!!Update....still running strong! My son bangs this thing off the rev limiter for hours and he hasnt melted the rings into the piston yet. Has to have atleast 100hra on it by now.
seth
Reviewed in the United States on December 25, 2021
Brought this for 1996 Yamaha badger 80 every fit right up and the the rings were already gapped correctly out of the box. This set up makes 40 psi more compression than the old one
Customer
Reviewed in the United States on October 25, 2021
So far no complaints
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