Yamaha MCP Midrange Section 4

When installing a Yamaha F30A lower unit, it must be placed in _______ 

• in forward gear 

• in reverse gear 

• in neutral 

• Gear position is not necessary. 

Water pump impellers are scheduled to be replaced every ___ hours. 

• 100 hours 

• 200 hours 

• 300 hours 

• 400 hours 

When installing the water pump housing on a counter rotation lower unit, the driveshaft must be turned in a _________ direction. 

• clockwise 

• counter-clockwise 

• Do not spin the driveshaft. 

• It does not matter which way you turn it. 

Which position should the engine be in when checking the fluid level in the PT&T unit? 

• The engine should be in the full UP position. 

• The engine should be in the full DOWN position. 

• All PT&T engines should be tilted UP, just until the trim rams are extended and no further. 

• UP on F115 and larger models 

When removing a Yamaha F40A lower unit, it must be _________ . 

• in forward gear 

• in reverse gear 

• in neutral 

• Gear position is not necessary 

Water pump impellers are scheduled to be inspected every _______ hours. 

• 100 

• 200 

• 300

• 400

When installing a water pump impeller, you should: 

• Never put any lubricant in the pump housing. 

• Turn the prop shaft clockwise while holding down on the pump housing. 

• Turn the drive shaft clockwise while holding down on the pump housing (counter rotation models only). 

• Turn the drive shaft clockwise while holding down on the pump housing. 

When installing a new water pump impeller, the stainless-steel cup goes over the impeller, and then the plastic housing is installed over the cup. 

• True

• False

No water coming out of the overboard indicator means the engine is running hot. 

• True

• False

When filling the lower unit with the proper lubricant, which of the following is a true statement?  

• Fill the lower unit as rapidly as possible to ensure level is correct. 

• Slightly tilt the unit UP to ensure the top bearing is coated with lubricant. 

• Reinstall the top-vent screw first, then the bottom-fill screw. 

• Fill the lower unit from the bottom (except counter-rotation models which fill from the top).