Kit 185cc Ø63mm TOP PERFORMANCES, cylinder / piston + electronic box for YAMAHA RX WR 125cc and 125cc Yamaha YZF-R

Here are the TOP PERFORMANCES kit for motorcycles 125cc MINARELLI équippées the engine as the YAMAHA YZF WR and RX 4T. TOP PERFORMANCES is part of the group MINARELLI / MOTORPARTS is whether the quality is good!

This pack is composed of a motor reprogramming box that'll see the ignition curve but the AFR (rich, air / fuel ratio), this case comes with a harness (mounting cable). It also unleashes the 1000rpm high speed!

The top engine is intended for installation with your original cylinder head, it consists of an aluminum cylinder Nikasil Treaty, it is 63mm in diameter which pushes the engine is 185cc. The piston is equipped of specific segments for maximum compression with minimal friction!

You can if you wish the accompany this kit has a racing cam shaft (TOP PERFORMANCES is best suited) and even an exhaust! If you want to increase your top speed, we recommend you to opt for a Pigon with one or two teeth more!

With this kit! W e strongly recommend:

Axes by ray cam TOP PERFORMANCES

-line Sport without exhaust catalyst

Transmission output -Pignon with one or two teeth more!

With this configuration, the 160 KM / H can be achieved!