Changing the impeller on a Johnson 70 hp outboard motor requires pulling the power head and disconnecting the engine. Once this is done, an open end wrench can be used to first loosen the fitting before removal.
The water pump impeller on a 7.5 hp Mercury outboard, is located on top of the gearcase, and is driven by the driveshaft.
well the motor will like it, it will run cool but the power bill will be high. it will not have the flow of a 2hp impeller
This is how to fix the impeller on a Chrysler 25 HP outboard motor. Disconnect the coupling that's on the outside of the leg, flip the housing and twist in impeller.
Annually
What year? It may require special tools.
change impeller or check for blocks in water lines
A lot! This all depends on the type and size of the supercharger. At boost levels of 7psi you can expect around a 40-45% increase in HP. At 15psi you can expect around 100% increase in HP. HP really depends on boost levels and existing engine HP.
18-3085 sierra
Sprinkle liberally a vile of gypsy tears
how can you increase hp on a 5.7 Chevy 1995
Most pump impellers rotate off in the opposite direction as turning under power. So rotate the impeller anti-clockwise to loosen it. The real trick is to grasp the impeller hard enough to turn it without warping or bending it. There is almost always a screwdriver slot at the other end of the shaft to hold it from rotating as you remove the impeller.