Kymco Super 9 (SH10DA) servicemanual - Scootergrisen
Kymco Super 9 (SH10DA) servicemanual - Scootergrisen
Kymco Super 9 (SH10DA) servicemanual - Scootergrisen
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1. GENERAL INFORMATION<br />
ENGINE LACKS POWER<br />
Inspection/Adjustment Symptom Probable Cause<br />
Start engine and<br />
accelerate lightly for<br />
observation.<br />
Check ignition timing<br />
(using a timing light).<br />
Test cylinder<br />
compression (using a<br />
compression gauge)<br />
Check carburetor for<br />
clogging<br />
Remove spark plug and<br />
inspect<br />
Check if engine<br />
overheats<br />
Rapidly accelerate or<br />
run at high speed<br />
1-27<br />
Engine speed<br />
increases<br />
Correct timing<br />
Normal<br />
compression<br />
Not Clogged<br />
Plug not fouled or<br />
discolored<br />
Engine does not<br />
overheats<br />
Engine does not<br />
knock<br />
Engine speed does<br />
not increase<br />
sufficiently<br />
Incorrect timing<br />
Abnormal<br />
compression<br />
Clogged<br />
Plug fouled or<br />
discolored<br />
Engine overheats<br />
Engine knocks<br />
SUPER 9 50<br />
Clogged air cleaner<br />
Clogged fuel filter<br />
Clogged exhaust muffler<br />
Faulty auto bystarter<br />
Faulty charcoal canister<br />
Faulty CDI unit<br />
Faulty A.C. generator<br />
Worn cylinder and piston<br />
rings<br />
Blown cylinder head gasket<br />
Faulty reed valve<br />
Clogged carburetor jets<br />
Fouled spark plug<br />
Incorrect heat range plug<br />
Mixture too lean<br />
Poor quality fuel<br />
Excessive carbon build-up in<br />
combustion chamber<br />
Ignition timing too early<br />
Excessive carbon build-up in<br />
combustion chamber<br />
Poor quality fuel<br />
Clutch slipping<br />
Mixture too lean
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