The crankshaft bearings are the metal mechanical part that holds the crankshaft to the engine block. If you notice that the engine makes a lot of noise, it may be time to change them. On our website we offer you a wide range of crankshaft kits that include bearings and seals for both 4-stroke and 2-stroke engines. These kits are not universal, but are made specifically for each make and model of motorcycle.
ATHENA is renowned worldwide for its cylinder kits for 2-stroke and 4-stroke engines. These high-tech products combine performance and reliability.