Quote:
Originally Posted by embee
If it's been breathing oil carryover due to random overfilling it could just be loads of deposit build-up on the backs of the inlet valves. Carbs also tend to exacerbate deposit build-up (compared to FI). They can easily get to the point where the deposit more or less fills the back of the inlet valve/port.
It might be a big job but I'd be considering having the head off for a general clean up. You'll probably find the components themselves are OK underneath all the crud.
It'd be nice to get access to a bore-scope (endoscope) and have a look down the holes, but that might not be easy to come by. I wouldn't be surprised if you can't get some USB plug-in mini camera these days for a few bucks from China.............
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Cheers. That's the plan - to try and clean up as much as possible rather than give this guy carte blanche to rebuild!