12
Engine will not start; or starts
1.
Dirty air cleaner.
1.
Clean or replace air cleaner.
and runs rough.
2.
Out of gasoline.
2.
Fill fuel tank.
3.
Stale gasoline.
3.
Drain fuel tank and & carburetor and fill
with fresh fuel.
4.
Spark plug wire not
4.
Connect wire to spark plug.
connected to spark plug
5.
Bad spark plug.
5.
Replace spark plug.
6.
Water in gasoline.
6.
Drain fuel tank & carburetor; fill with fresh
fuel.
7.
Overchoking.
7.
Put choke knob to
No Choke
position.
8. Low oil level.
8.
Fill crankcase to proper level.
9.
Excessive rich fuel mixture.
9.
Contact Authorized Service Facility.
10.
Intake valve stuck open or closed. 10.
Contact Authorized Service Facility.
11.
Engine has lost compression.
11.
Contact Authorized Service Facility.
Engine shuts down
1.
Out of gasoline.
1.
Fill fuel tank.
during operation.
2.
Low oil level.
2.
Fill crankcase to proper level.
3.
Fault in engine.
3.
Contact Authorized Service Facility.
Engine lacks power.
1.
Dirty air filter.
1.
Replace air filter.
2.
Engine needs to be serviced.
2.
Contact Authorized Service Facility.
Engine “hunts” or falters.
1.
Choke is opened too soon.
1.
Move choke to halfway position until
engine runs smoothly.
2.
Carburetor is running too rich
2.
Contact Authorized Service Facility.
or too lean.
3.
Governor or speed control system 3.
Contact Authorized Service Facility
out of adjustment.
TROUBLESHOOTING
SERVICE PARTS
MODEL
GTV-GTH-990 & GTV-GTH-760
Spark Plug (Champion RC14YC)
P/N 0E7585
Spark Plug (NGK BKR4E)
P/N 0E6037
Oil Filter (Black)
P/N 070185B
Oil Filter (Yellow)
P/N 070185C
Air Cleaner Element
P/N 0D9723
Air Pre-cleaner
P/N 0D4511
Air Filter, Primary (Canister Style, large)
P/N 0E3557
Air Filter, Safety (Canister Style, small)
P/N 0E3656
GTV/GTH - 990/760 OHVI SERIES ENGINES
