1. Remove air filter top. See 1.4 Airbox and air filter.
Figure 1-12. Cooling system air bleed plug
2. See Figure 1-12. Remove cooling system air bleed plug.
3. Gently squeeze vertical water pump coolant hose on right side of engine.
4. Coolant should be visible in the air bleed hole. If coolant is not visible, see 6.3 Engine coolant.