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TROUBLESHOOTING AND ELECTRICAL SYSTEM: HONDA POWERED GASOLINE VEHICLES
Troubleshooting Guide
2007 Carryall 295/295 SE & XRT 1550/1550 SE Gasoline, Diesel and IntelliTach M & S Manual
Page 11b-3
11B
Loss of engine power.
Exhaust valve is restricted with carbon
deposit
See the Honda GX620 engine manual
(CCI P/N 102615401).
Muffler or exhaust pipe restricted with
carbon or other substance
Exhaust System on page 13b-5
Ignition coil failure
Test Procedure 15 – Ignition Spark on
page 11b-27
Air filter is dirty or clogged
Air Filter Replacement on page 13b-24
Governor is improperly adjusted
Fuel System on page 13b-7
Throttle linkage out of adjustment
Engine Control Linkages on page 13b-16
Low cylinder compression
See the Honda GX620 engine manual
(CCI P/N 102615401).
Spark plug failed
See the Honda GX620 engine manual
(CCI P/N 102615401).
Restricted fuel flow
Fuel System on page 13b-7
Clutches are not backshifting properly
Clutches on page 13b-29
Spark plug fouls repeatedly.
Incorrect plug
See the Honda GX620 engine manual
(CCI P/N 102615401).
Unsuitable fuel, or incorrect (rich) fuel
mixture
Fuel System on page 13b-7
Spark plug wire is damaged
See the Honda GX620 engine manual
(CCI P/N 102615401).
Dirt entering combustion chamber
Fuel System on page 13b-7
Ignition coil failed
See the Honda GX620 engine manual
(CCI P/N 102615401).
Rings are heavily worn, low cylinder
pressure
See the Honda GX620 engine manual
(CCI P/N 102615401).
Carburetor floods.
Inlet valve or seat is leaking,
dirty, worn, or damaged
See the Honda GX620 engine manual
(CCI P/N 102615401).
Float is damaged and filled with gasoline
See the Honda GX620 engine manual
(CCI P/N 102615401).
Carburetor vent is clogged
See the Honda GX620 engine manual
(CCI P/N 102615401).
Float needle valve not functioning
properly
See the Honda GX620 engine manual
(CCI P/N 102615401).
Starter fails to operate.
Starter control circuit is
not operating
Test Procedure 6 – Starter Control Circuit
on page 11b-15
Start relay failure
Test Procedure 7 – Start Relay on
page 11b-16
Fuse is blown
Test Procedure 2 – Fuse on page 11b-12
Battery is dead
Test Procedure 1 – Battery on page 11b-9
Charge coil failed
Test Procedure 13 – Charge Coil on
page 11b-26
Troubleshooting Guide continued on next page...
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSES
REFER TO
Summary of Contents for IntelliTach XRT 1550
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