Boyesen Supercooler Water Pump Kit Honda Crf250R 04-09, Crf250X 04-18 Magnesium Colour:Magnesium · Yamaha YZ250F / YZ450F

· Yamaha YZ250F / YZ450F 2016

A great addition to any YZ/YZF rider's tool box

Protective blow-molded case for easy storage

250 SC 17-20

provided with the revolutionary AMS2 (Airoh Multiaction Safety System)

Boyesen Supercooler Water Pump Kit Honda Crf250R 04-09, Crf250X 04-18 Magnesium Colour:Magnesium · Yamaha YZ250F / YZ450FReduced to its common reasons for being essential in an internal combustion engine, cooling system efficiency can have a dramatic influence on the longevity of the internal working components of your bike's engine. These include the reduction of thermal stresses and strains caused by pre ignition and detonation (particularly the latter), distorted cylinder bores, potential damage to pistons and rings, and damaged valve train components.