Sometimes, a full rebuild isn't the immediate solution. Here are some common issues with their likely causes.

Spin all roller and ball bearings by hand. Replace any that exhibit roughness, pitting, or excessive radial play. 6. Reassembly and Critical Adjustments

: Perform weekly on a flat surface with the engine idling at ~1000 RPM. The oil should be at an operating temperature of 80°–90°C .