How do you remove a Johnson lower unit?
Gently tap the lower unit downward with a soft mallet until it separates from the powerhead. Once it separates, you may need to tilt the outboard motor upward to remove the lower unit and allow for the shaft to come out.
Should an outboard pump water straight away?
If this water is not present, the friction of the rubber on stainless steel will very rapidly overheat and destroy the rubber impeller. This is why it’s imperative NOT to operate, or even turn over, your outboard without there being a proper supply of water to the outboard beforehand.
How do I know if my outboard water pump is bad?
A bad outboard water pump will produce lower water pressure than normal. The outboard can stop pumping water out the tell-tale, begin to overheat, restrict the available RPM allowed, and cause significant damage if not corrected.
How do I change a water pump?
Loosen the bolts and remove the old water pump. Remove the old seal/gasket or old sealant remains and make sure the mounting surface is clean. Before installing the new water pump, inspect the other cooling system service parts: coolant hoses, thermostat and pressure cap(s). Install the new water pump.
How do you test a water pump on an outboard motor?
How Do You Test an Outboard Water Pump? On many outboards, you can simply put on the muffs and start the engine. You should see a steady stream of water coming out of the holes on the top of the engine. However, some brands do pump out a stream, but it might not look steady.
How to fix a Johnson Evinrude water pump?
1 Check that the water tubes are clean and free from obstructions 2 Coat the water tube pickup grommets with lubricant 3 Mate the lower unit with the upper exhaust housing making sure the drive shaft goes in it proper guide hole and simultaneously guide the water tube into the rubber
How does a lower unit water pump work?
Mate the lower unit with the upper exhaust housing making sure the drive shaft goes in it proper guide hole and simultaneously guide the water tube into the rubber grommet on the water pump housing. Once the driveshaft reaches the bottom of the power head, rotate the flywheel to align the splines on the powerhead to that of the driveshaft.
How to remove black plastic keeper from Evinrude water pump?
With the shift rod connection now in view, use two wrenches to back off the upper nut onto the upper portion of the shift rod. 3. Remove the black plastic keeper using a dull knife, pick or similar tool