Dinli DL-702 2008, Руководство по обслуживанию

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10-5
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APPENDIX
Poor Running or No Power at High Speed
1. Firing incorrect
● Spark plug dirty, broken, or maladjusted
● Spark plug cap or Spark plugs cable trouble.
● Spark plug cap shorted or not in good contact
● Spark plug incorrect
● Pickup coil trouble
● CDI unit trouble
● Ignition coil trouble
2. Fuel/air mixture incorrect
● Main jet clogged or wrong size.
● Jet needle or needle jet worn.
● Bleed holes of air bleed pipe or needle jet clogged.
● Fuel level too high or too low.
● Air cleaner clogged, poorly sealed, or missing.
● Water or foreign matter in fuel.
● Carburetor holder loose.
● Air cleaner duct loose.
● Fuel tank air vent obstructed.
● Return fuel pump clogged.
● Fuel line clogged.
3. Compression low
● Spark plug loose.
● Cylinder head not sufficiently tightened down.
● Loss of valve clearance.
● Cylinder, piston worn.
● Piston rings bad (worn, weak, broken, or sticking).
● Piston ring/groove clearance excessive.
● Cylinder head gasket damaged.
● Cylinder head distorted.
● Valve spring broken or weak.
● Valve not seating properly (valve bent, worn, or
carbon accumulation on the seating surface.).