first thing is to check all grounds are clean and tight.
make sure you have a motor ground.
battery should be checked for full charge.
also replace your plug.
i have some TGB parts but my supply is getting thin
and will have to check what i have.
oilyhans
i own a scooter shop with rentals ,sales& racing parts.
i also appraise scooters for KBB.
2003 Vino classic stage 0.75
de-reged stock variator w/8g sliding weights.
1.5k rpm springs
42mph
2005 veniceLX ~70cc~upjet~1.5k rpm springs & 7gr sliders
46mph
KeyWest de restricted~8gr slide