13. DINK 125: FUEL SYSTEM/CARBURETOR/
FUEL PUMP/ FUEL TANK
13-5
DINK 2000i/125
TROUBLESHOOTING
Engine does not start Engine idles roughly, stalls or runs poorly
No fuel in tank Incorrect idle speed
Restricted fuel line Rich mixture
Too much fuel getting to cylinder Lean mixture
Clogged air cleaner Clogged air cleaner
Contaminated fuel Intake air leak
Faulty fuel pump Contaminated fuel
Faulty air-cut off valve
Damaged vacuum tube and connectors
Damaged carburetor insulator
Throttle does not open fully, so engine stalls Rich mixture
Damaged vacuum piston diaphragm Auto bystarter valve opens excessively
Clogged diaphragm hole Faulty float valve
Float level too high
Lean mixture Clogged air jets
Clogged fuel jets Auto bystarter valve set plate installed in
Clogged fuel tank cap breather hole
the wrong groove
Clogged fuel filter Clogged air cleaner
Bent, kinked or restricted fuel line
Faulty float valve
Float level too low
Faulty fuel pump or insufficient output
Engine is hard to start
No fuel in tank
Restricted fuel line
Clogged fuel strainer
Faulty fuel pump
Broken or clogged vacuum tube
Faulty or clogged charcoal canister
Lean mixture
Clogged charcoal canister
Bent, kinked or restricted fuel line
Clogged fuel strainer
Float level too low
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