96 Johnson 40hp water pump

[big_jack]

"Guys,after only one summer on

"Guys,after only one summer on a brand new water pump,I noticed that it was not peeing correctly.
I took it apart and found the plastic impeller key(cam)
was melted and in pieces. Is this a common problem
with the plastic or did I install it wrong? Thanks!"

 

[jwbmarine]

"what color,was that key,..and

"what color,was that key,..and who was the mfg of it?"

 

[big_jack]

"It was a black plastic key, m

"It was a black plastic key, made by Bombardier. Thanks"

 

[jwbmarine]

that should be correct....did

that should be correct....did the imp blades melt?

 

[big_jack]

"No,just the key failed. I`m g

"No,just the key failed. I`m going to install another new pump kit. thanks."

 

[outboard_doctor]

"There is no reason for the ke

"There is no reason for the key to fail as it locks in to the impleller bose and driveshaft and doesnt move, have a good look at everything else."

 

[big_jack]

"I motor through alot of river

"I motor through alot of river sand,maybe the pump filled with sand and sheared the plastic cam. I was wondering if anyone else had this same problem, thanks"

 

[outboard_doctor]

Jack what colour and condition

Jack what colour and condition is the gearbox oil

 

[big_jack]

I change it twice a year.It is

I change it twice a year.It is great with no water. Why do you ask ? thanks