Here is the big bore kit proposed by ATHENA to increase the capacity of your motocross / enduro SUZUKI RMZ 250cc from 2007 to 2009. This kit in Ø83mm against Ø80mm of origin thus makes it possible to pass your motor bike of 250cc has 290cc! A gain of torque and performance will be immediately felt. It allows a gain of 4 HP on average which is huge on this vehicle. You go from 38.7hp to 42.8hp thanks to the high engine ATHENA BIG BORE. Enough to have fun on the tracks or in the forest. ATHENA has moreover foreseen things well because this top engine is sold complete. It includes the cylinder, piston, ring and all the seals you need for a quality and tight reassembly. The advantage of taking this engine is that it is designed to be mounted on the original connecting rod with the original cylinder head and camshaft. So you don't have any modification to do ! Here attached the power curve so that you can see by yourself the difference between the original and the big bore. You will also find a detailed list of vehicles on which this cylinder can be mounted.

Fits on:

Suzuki RMZ 250 2007

Suzuki RMZ 250 2008

Suzuki RMZ 250 2009