This kit should be fitted by a qualified motorcycle mechanic.
You must inform your insurer of any changes to your vehicle's specification.
You must inform the DVLA (or the equivalent organization in your country) to update your vehicle's registration document. After modifying your vehicle you must ensure your licence entitlement is still valid.
Fitting: It may be necessary to increase the opening in the crankcase to accept the big bore cylinder sleeve and a rocker cover may be required, however most engines will require NO modifications to fit this kit.
Lextek 170cc Lextek Top End Big Bore Cylinder Kit GY6 152QMI -