Question about Kingwin Duro Bearing Silent Series 120mm Fan w/ Isolator-Mounts - White LED DB125
I have a 4 stroke 125cc chinese scooter which has lost 10mph top speed and has a loud rattle noise from front of engine at top speed. I have changed ignition coil, HT lead and spark plug, Oil change, Adjusted valves. Scooter starts and runs fine until top end is reached. Was 60mph now 50mph any help please.
Well you might have loosened the exhaust or have bad compression from the pistons try some pressure tests and get the manual and read the specs Other than that it could be a minor repair
Posted on Mar 23, 2014
Testimonial: "Thanks david will try that now."
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Posted on Jan 02, 2017
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