Waterpump shaft end play
I'm getting a funny noise from my engine and trying to diagnose it. It may be piston slap, but I'm checking the simple things first before I pull the cylinder. I pulled off the waterpump cover and noticed my impeller had been rubbing on the cover and that there was around 1/8" end play in the impeller. This seems like it may be to the source of my problems. What is the spec on the impeller shaft end play?
Also, I'm going to pull the right side engine cover to check the powervalve governor. I've pulled the water pump cover and impeller off, removed the kickstarter and knuckle and all the bolts holding the engine cover on, yet the bugger doesn't want to come off. Any tips? I pulled the clutch cover off, but didn't remove the clutch since it looks like the cover fits around the clutch.
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