Hercules Prima M 5 65 cc airsal tuning, which spark plug? Change the fuel mixture? Change the gear ratio?

Hello, I have a 65cc Airsal engine installed on my Hercules moped with a 12mm Bing replica carburetor. The acceleration was so extreme that the front wheel lifted when starting off with the original gear ratio, so I changed the gear ratio to 11:37. It runs at about 45 km/h, still has a P2 manifold and the original exhaust. I've never changed the spark plug. Does anyone have any ideas on how to make it run faster, other than changing the gear ratio? Should I use a different mixture or install a new spark plug? The current mixture is 1:50, which is normal.

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Nitram
3 years ago

If she comes to her final speed, you can do the translation. The spark plug brings as good as nothing but the degasser and the exhaust should fit together. One-sided usually does not bring much or even the opposite.

vespe50
3 years ago
Reply to  Nitram

please always pay attention to that the spark plugs are all of the same structure there is no light advantage with other candles if you can make a mistake you can make your cylinder head and possibly even the cylinders shredder so always the candles take which are also for your moppel sund you may have the problem that it is too big and it rings evil on the piston

gr.