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Your cart is empty.Namura uses the best materials matching the ring design to its application. Often overlooked and unglamorous, they are an essential part of an engine's efficiency and durability. The materials used in the manufacturing of piston rings are one of the most critical factors in their performance. Meets or exceeds OEM specification, only use with Namura Pistons. Fits Namura Pistons: NA-40002; NA-40003 for: Yamaha YFS200 BLASTER 1988-2006.
Vania
Reviewed in the United States on March 28, 2016
First time I've have had trouble with namura.. Compression ring broke after about 10-20 hours of riding, they were broke in properly and wasn't used hard the first 2 tanks of gas. I was doing quarter throttle when they went, pulled in the clutch and it stalled and never started again. Ruined my cylinder and nicked up my cylinder head. Save your self the trouble and buy wiseco or oem. Namura isn't bad for four strokes tho.
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