CPI GTR180 Service Manual page 65

CPI MOTOR
VIII.CARBURETOR REMOVAL
TROUBLESHOOTING
Engine does not start
No fuel in tank
Restricted fuel line
Too much fuel getting to cylinder
Clogged air cleaner
Contaminated fuel
Faulty fuel pump
Throttle does not open fully, so engine stalls
Damaged vacuum piston diaphragm
Clogged diaphragm hole
Lean mixture
Clogged fuel jets
Clogged fuel tank cap breather hole
Clogged fuel filter
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
Engine idles roughly, stalls or runs poorly
Incorrect idle speed
Rich mixture
Lean mixture
Clogged air cleaner
Intake air leak
Contaminated fuel
Faulty air-cut off valve
Damaged vacuum tube and connectors
Damaged carburetor insulator
Rich mixture
Auto bystarter valve opens excessively
Faulty float valve
Float level too high
Clogged air jets
Auto bystarter valve set plate installed in the
wrong groove
Clogged air cleaner
《 8-3 》
GTR180