The Main Jet is one of many critical wear items in the carburettor. Renewing this along with the other jets, including the needle Jet and slow running Jet, will help restore the carburettor back to full performance and economy. Check our online schematic to see exactly which parts you should order.
Order new carburettor seals and gaskets at the same time. Consider a new throttle cable as well? We supply all the critical replacement parts to bring your carburettors back to full performance.