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Home > Parts > High Performance Scooter Parts > Yamaha Zuma 50 High Performance Upgrades > Mikuni Main Jet 6mm
Carb Jets for Two Stroke Scooters
Used in Yamaha Zuma 550 stock carbs plus 17.5 and 22mm Dellorto carbs
90 and 95 is what we have found that works best for 70cc kits
90 and 85cc without pipe with a 70cc kit
Mikuni VM/11 22 6mm Jets please know which you need for your carb, these are in most Chinese carbs used in 40QMB engines and many other two-stroke carbs.
Add jet and air filter when doing upgrades such as exhaust, cylinder kits plus if you are simply starving for gas.
These are big and used mostly when adding pipe and cylinder kits plus air filters.
These are high-quality Mikuni jets that fit most all two-stroke carbs most with Auto Choke found in Chinese scooters and Taiwanese scooters from TGB to Zumas plus Ventos Keeways and all carbs used on 40QMB which is the engine used.
Kymco Two Stroke use GY6 50 jets
48 Lower States Only