Honda GL1100 1980 Owner's Manual page 76

• Problems which may affect Motorcycle Emissions
If you are aware of any of the following symptoms, have the vehicle inspected and
repaired by your local Honda Motorcycle Dealer.
Symptoms:
I. Hard starting or stalling after starting
2. Rough idle
3. Misfiring or backfiring during acceleration
4. After-burning (backfiring)
5. Poor performance (driveability) and poor fuel economy
71