E

EMU00338

Flushing Cooling System and Fogging Engine

Cooling system flushing is essential to prevent the cooling system from clogging up with salt, sand, or dirt. In addition, fogging of the engine is mandatory to prevent expensive engine damage due to rust. Perform the flushing and fogging at the same time.

w

8Do not touch or remove electrical parts when starting or during operation.

8Keep hands, hair and clothes away from flywheel and other rotating parts while engine is running.

EMU00339

8Flushing in a Water Tank

cC

If the fresh water level is below the level of the anti-cavitation plate, or if the water supply is insufficient, engine seizure may occur.

1)Remove the engine top cowling and silencer cover.

2)Install the outboard motor on the water tank.

3)Fill the tank with fresh water to above the level of the anti-cavitation plate.

4)Run the engine at a fast idle for 10~15 minutes.

5)Just prior to turning off the engine, quickly spray “Yamaha Stor-Rite Engine Fogging Oil” (Part No. LUB- STRRT-12-00) alternately into each carburetor. When properly done, the engine will smoke excessively and almost stall.

4-5