How do you replace an impeller on a Johnson outboard?
Replacing the impeller on a Johnson outboard involves removing the lower unit and disassembling the water pump housing. Johnson outboard motors have internal water pumps that induct water through the lower unit side vents and send it through the engine passages.
Can you change the impeller on a 9.9 hp outboard?
Changing the impeller on the Johnson 9.9-horsepower outboard is a straightforward affair that ensures your motor’s cooling system will remain healthy.
How do you remove an impeller from a water pump?
Extract the impeller from the housing using a pair of needle-nose pliers. Remove the impeller drive pin from the driveshaft. Pull the the water tube grommet, located on the top of the pump cover, out of its bore and discard it. Pull the pump insert out of the water pump cover with the needle nose pliers.
How to DIY a Johnson Evinrude water pump?
Once the keeper is removed, shift the lower unit into forward and remove the nut from the upper shift rod. 5. Remove the forward nut and four bolts on the side of the lower units (two bolts on each side) 6. Separate the lower unit from the exhaust housing by pulling it straight away form the exhaust housing.
How do you change the impeller on a Johnson outboard?
The water is then discharged through the water stream fitting at the back of the motor. Inspect and change the impeller according to Johnson’s outboard maintenance schedule, and your motor will stay cool for years.
Changing the impeller on the Johnson 9.9-horsepower outboard is a straightforward affair that ensures your motor’s cooling system will remain healthy.
How to replace an Evinrude 9.9 water pump?
I have been going over this 1980s Evinrude 9.9 outboard engine. I disassemble the outboard and went thru it, and now I am starting to reassemble the outboard with new parts. This is how I installed the water pump. Loading…
Extract the impeller from the housing using a pair of needle-nose pliers. Remove the impeller drive pin from the driveshaft. Pull the the water tube grommet, located on the top of the pump cover, out of its bore and discard it. Pull the pump insert out of the water pump cover with the needle nose pliers.