How to Change the Impeller on a 150 Evinrude Outboard?

Answer The impeller (water pump) on 150 Evinrude outboards is subject to deterioration due to sand or any abrasive material drawn into the pump in normal operation. Age is another factor that tends to cra... Read More »

Top Q&A For: How to Change the Impeller on a 150 Evinrude Ou...

How to Install the Water Pump Impeller in an Evinrude Outboard?

Evinrude outboard engines have to cool themselves internally, just as all other marine engines do. The engine does this by pumping salt or fresh water up into the exhaust manifold area from a water... Read More »

How to Change the Impeller in an Evinrude Motor?

The Evinrude marine outboard motor uses a water pump in the lower unit case to circulate water through the engine passages and manifold. The water pump keeps the motor within normal operating tempe... Read More »

How to Change the Thermostat on My Evinrude Outboard?

Outboard motors require a flow of cooling water to maintain proper operating temperature. At high speeds maximum cooling is needed to prevent engine damage while at idle the engine must stay warm e... Read More »

How to Change the Yamaha 150 Outboard Impeller?

It is good preventative maintenance to change the water pump prior to each boating season. Impellers, made of a flexible material, tend to wear rapidly and crack over time. All in all, it is good c... Read More »