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Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 22756
Experience:  BEng hons Mech engineering, in auto industry 22 years
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I have an elderly Yamaha Golf Buggy and it smokes badly

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I have an elderly Yamaha Golf Buggy and it smokes badly

whats most likely is the rings are worn on the engine and to properly fix this its an engine out and rebuild with a new piston - possibly rebore the block to remove any wear

potentially going up to a thicker oil wil help but this is a delaying tactic really
Customer: replied 4 years ago.

Thankyou. I am sufficiently aware of the advice you gave me, but as I am a elderly pensioner, I was hoping for something other than a thicker oil to add to the engine.

Hello Don

I'd also check is the crankcase pressure relief valve (PCV) these are sprung loaded and are only meant to 'burp' excess pressure every now and then. The exiting gas is piped back to the inlet , however should the valve stick open then the engine tends to suck the air out of the crankcase all the time and this carrys oil over with it.

If you remove the air intake pipe and look inside where the crankcase breather is plumbed in you may find evidence of oil.

If you do find oil replace the valve.

if this is Ok then its going to need a rebuild as I 1st mentioned
Customer: replied 4 years ago.

Will try that. Thanks

No problem Don

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