- Raise the front wheel off the ground with jack (See Front Wheel Removal in the Wheels/Tires chapter).
- Turn the handlebar all the way to the right or left.
- Inspect the roughness of the front wheel bearing by pushing and pulling [A] the wheel.
- Spin [B] the front wheel lightly, and check for smoothly turn, roughness, binding or noise.
If roughness, binding or noise is found, remove the front wheel and inspect the wheel bearing (See Front Wheel Removal), Hub Bearing Inspection in the Wheels/Tires chapter).
- Raise the rear wheel off the ground with stand (See Rear Wheel Removal in the Wheels/Tires chapter).
- Inspect the roughness of the rear wheel bearing by pushing and pulling [A] the wheel.
- Spin [B] the rear wheel lightly, and check for smoothly turn, roughness, binding or noise.
If roughness, binding or noise is found, remove the rear wheel and inspect the wheel bearing (See Rear Wheel Removal), Hub Bearing Inspection in the Wheels/Tires chapter) and coupling (See Coupling Bearing Inspection in the Final Drive chapter).
