...Will a carb adjustment help? seems to rich, thus the popping sound, try leaning the low speed mixture De-cell popping is usually caused by a lean condition. Sounds like you could use a Dynojet
...mixture screw set too lean. 10. Idle port, transfer ports, slow air jet clogged. 11. Slow fuel jet clogged. 12. Faulty fuel pump. For more information about your issue and valuable "Free" downloads ...
...mixture screw is adjusted too lean. BACKFIRING is usually caused by a sticky/tight intake valve or a timing issue, 180 degrees out or cam chain off 1or 2 teeth. For more information about your issue ...
...mixture adjustment too lean. 4. Pilot/slow fuel jet clogged. 5. Faulty accelerator pump. 6. Float level too low. 7. Float bowl contaminated old fuel, water, dirt, rust, etc. 8. Carburetor bowl vent ...
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