Here is the kit which will become very rare because it will not remain in production, from POLINI in 65cc Ø45mm which is mounted on MBK ZX, YAMAHA DT, RD, MX,... A super robust and well finished cast iron cylinder with increased diagrams and improved channels!
This very well worked bi-segment kit will allow you to have a good power gain compared to the original. It is sold complete with cylinder, piston, clips, axle and gasket set. The piston is specially over-domed to be accompanied by the original cylinder head, it has side grease nipples and openings to improve sweeping.
Ideal for giving performance and refurbishing your old automatic or geared motorcycle! In addition we will still provide spare parts, we cannot say the same of the origin which is becoming more and more difficult to find! It is also very sturdy and can be mounted in combination with your original cylinder head!
According to our sources, it mounts on MBK ZX, YAMAHA RD, TY, DT, DT MX... 50cc old automatic or speed model. It can be mounted on other models, be sure to check if the shape is identical to what you are looking for.
Cylinder stud center distance: 45X45mm
Intake center distance: 59X35mm
As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement of the piston and the lower skirts is also included in this modification. Count a little extra time for this preparation!
