water pump 88 model johnson 40

[Alan C]

I have just replaced the impeller in my pump. I put it back together and then noticed an o ring onthe ground about the size of the drive shaft .Could anyone tell me where it goes Cheers

 

[Docksidemarineservices]

Under the impeller.

 

[Alan C]

Damn I was hoping it went under the spline on the drive shaft . Thanks for the reply cheers Alan

 

[Just Curious]

Under the impeller.

Nope.

Damn I was hoping it went under the spline on the drive shaft .

Bingo!

 

[Alan C]

Now who do I belive? there seehs to be a groove under the spline on the drive shaft , and I half remember from last time --- or was that the 15hp?

 

[racerone]

Many of the newer motors have an o-ring under the impeller.-----Therefor the replacement impeller might come with an o-ring.------Only one way to check this as you know, and take it apart for a look.

 

[Docksidemarineservices]

O-ring under the impeller.

NO O-ring on the shaft splines.

Bingo.