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| Description | Part number | Qty |
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| Description | Part number | Qty |
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6. CYLINDER HEAD/VALVES People GT 300i
TROUBLESHOOTING
· The poor cylinder head operation can be diagnosed by a compression test or by tracing engine
top-end noises.
Poor performance at idle speed White smoke from exhaust muffler
· Compression too low · Worn valve stem or valve guide
· Damaged valve stem oil seal
Compression too low
· Incorrect valve clearance adjustment Abnormal noise
· Burned or bend valves · Incorrect valve clearance adjustment
· Incorrect valve timing · Sticking valve or broken valve spring
· Broken valve spring · Damaged or worn camshaft
· Poor valve and seat contact · Worn cam chain tensioner
· Leaking cylinder head gasket · Worn camshaft and rocker arm
· Warped or cracked cylinder head
· Poorly installed spark plug
Compression too high
· Excessive carbon build-up in combustion
chamber
6-3
An excellent service and not too long too wait for the part to be delivered. I live in Germany and its not easy to get spare parts here. I hope not to need your services again but if I do I will have no hesitation in doing so. John W. Parmley
Fast delivery and good communication ! The parts fit perfectly ! Thank you very much !
Great service from over seas
All parts came in together
👍🏽
fast delivery good service part fits exactly
4.7 / 5