Yamaha

ARTEK crankshaft bearing sets are high-quality SKF bearings and Corteco oil seals are used. SKF bearings are available in the required C4 tolerance...

Racing reed block ARTEK K1 with synthetic fiber reed petal. Teams up with all carb sizes.

Top quality ARTEK racing wrist pin needle bearing.

The Top Performances Trophy 70cc is a very durable Minachrom-cast iron cylinder with very good power output. The oval outlet port and the 6 transfe...

Top Performances racing reed block with very large inlet cross section. Rather than the standard 4 valves, this model has 8. Initially the high-per...

24mm intake manifold for maximum flow and performance increase when using a larger carburetor. When using a tuning intake manifold, please ensure t...

High-end, completely worry-free set from tuning specialists Top Performances. Aluminium cylinder with extremely hard-chromed cylinder sleeve and la...

Quality replacement clutch controller lever. Match to the original.

The alternator rotor shim attaches the rotor to the crank. After every revolution, the rotor gives off one inductive ignition pulse, thereby determ...

Top Performances shift drum made of high-alloyed ERGAL 55 aluminum for very precise shifting. With this shift drum, false neutrals are a thing of t...

Top Performances racing reed block with 4 reeds. As you would expect from racing technology, the petals are made from carbon. Steel petals can caus...

Top Performances long stroke (44mm) racing crank. Together with the big bore cylinder kit (49.5mm), this creates an 85cc capacity. Only suitable fo...

Top-class, aluminum cylinder kit from Top Performances with 76.5cc capacity and 50mm bore! The hard-chrome plated cylinder bore and the two-part, t...

High-end big bore kit for an engine capacity of 85cc. This Top Performances kit consists of a 49.5mm grey cast iron cylinder with really sharp timi...

Set of Top Performances racing aramid clutch plates. If the engine has more power than in its original factory condition, standard clutch plates wo...

In ARTEK crankshaft bearing sets high-quality SKF bearings and Corteco oil seals are used. SKF bearings are available in the required C3 tolerance ...