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.
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.
Will try that. Thanks
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