Clutch springs can be found in use on most motorcycle clutch assemblies. The function of these short coil springs is to continuously hold the friction and driven plates together through spring tension, preventing slippage except when the clutch lever is engaged. Most often, five or more clutch springs are used per motorcycle clutch assembly. Stiffer or more springs are typical of higher output engines. Softer or fewer springs beget a lighter clutch lever pulling effort. When servicing your clutch it is important to check the free length of your clutch springs. If they are out of specification they can cause your clutch to slip which will result in premature failure of other clutch components, loss of power and mileage.