Viper 60005072 - Troubleshooting

Operator's Manual
Viper Engine, 159cc
Check for parts online at www.ardisam.com or call 800-345-6007 M-F 8-5
20
Operator's Manual
Viper Engine, 159cc
Check for parts online at www.ardisam.com or call 800-345-6007 M-F 8-5
Engine will not start Possible Cause Correction
1) Check control positions Choke OPEN Move lever to CLOSE unless
engine is warm.
Engine switch OFF Turn engine switch to ON.
2) Check fuel Out of fuel Refuel.
Bad fuel; engine started without
treating or draining gasoline, or
engine has been refueled with
bad gasoline
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
3) Remove and inspect spark
plugs
Spark plugs faulty, fouled or
improperly gapped
Gap, or replace spark plugs.
Spark plugs wet with fuel
(ooded engine)
Dry and reinstall spark plugs.
Start engine with control lever in
FAST position.
4) Take engine to authorized
servicing dealer, or refer to
manual
Fuel lter clogged, carburetor
malfunction, ignition malfunc-
tion, valve stuck, etc.
Replace or repair faulty compo-
nents as necessary.
Engine lacks power Possible Cause Correction
1) Check air lter Filter element(s) clogged Clean or replace lter element(s).
2) Check fuel Out of fuel Refuel.
Bad fuel; engine started without
treating or draining gasoline, or
engine has been refueled with
bad gasoline.
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
3) Take engine to authorized
servicing dealer, or refer to
manual
Fuel lter clogged, carburetor
malfunction, ignition malfunc-
tion, valve stuck, etc.
Replace or repair faulty compo-
nents as necessary.
Engine operates erratically Possible Cause Correction
1) Check spark plug Spark plug is defective Install new, correctly gapped
plug.
Spark plug gap is incorrect Set gap between electrodes at
0.7 to 0.8 mm.
2) Check air cleaner Air cleaner element is dirty Clean air cleaner element.
TROUBLESHOOTING