Kawasaki Ninja 125 Nockenwelle & Ventiltrieb

Leaky valve stems are often responsible for the engine unnecessarily burns a lot of lubricating oil. Just by bad maintenance and old oil the rubbers are attacked and harden fast. If too much oil is burned, sooner or later the catalytic...

Valve stem seals are installed to prevent oil from the cylinder head from entering the combustion chamber via the valve guides. A blue smoking exhaust can be an indication for defective valve stem seals besides other damages. Suitable as...