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If you add big bore kit, performance pipe and high loft cam the engine's operating temperature goes up. The ore efficient radiator helps keep the engine at normal temperature especially if you live on a hot climate.
Koso did it again,big radiator fins for excellent cooling system.im having problem before with over heating after installing 63mm bore kit.this radiator solve my overheating.very nice item.more product from koso and KN PLANNING...View Detail
Engine tuned, too I installed it to increase the cooling It looks cool and holds more cooling water than the OEM Size is not so different from NORMALView Detail
Koso did it again,big radiator fins for excellent cooling system.im having problem before with over heating after installing 63mm bore kit.this radiator solve my overheating.very nice item.more product from koso and KN PLANNING...View Detail
Engine tuned, too I installed it to increase the cooling It looks cool and holds more cooling water than the OEM Size is not so different from NORMALView Detail
This is a high quality big bore kit. You must change the ECU, performance exhaust and a larger fuel injector for best performance. I think the quality is on par with the Malossi big bore kit at a lower cost. It really makes a difference to the power the scooter makes.View Detail
Great addition to a hopped up engine with big bore kit, and high lift camshaft. Helps lower the head temperature. It also looks great adding color the the engine.View Detail
The cover is a bit flimsy compared to the original Yamaha part. I had it on my scooter for one year and a lot of the chrome paint has peeled off. It is not a part that lasts.View Detail
The pipe was very easy to install. The sound is very deep on the Yamaha XC155. It is a little loud, but I love it. It was worth every penny.View Detail
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