M5 threaded main jets for 4-stroke original carburettors made by 101 Octane. For 125cc and 150cc 4-stroke GY6 engines, and used on Kymco 50cc Models: Agility 50, Super 8 and Yager GT50 and 125cc models. Also suitable for the 24mm Naraku tuning carb. E2 carb main jets are generally too small. Larger size recommended when fitting a sports exhaust or larger cylinder.
4-strokes are very sensitive to the correct jetting. 1x jet in the relevant size supplied.
Main jet for carburettors (M5) - 120
4-strokes are very sensitive to the correct jetting. 1x jet in the relevant size supplied.
Main jet for carburettors (M5) - 120
