Naraku 5mm Jet Tuning Kit for Dellorto Carburetors.
This 10 piece kit contains jet sizes 90, 92, 94, 96, 98, 100, 102, 105, 108 and 110. Intended for use with carburetors that use a m5x.80 threaded main jet. Dellorto carbs are found on 2-stroke Yamaha Zumas as well as 2-stroke scooters from manufacturers such as Aprilia, Malaguti, Derbi and others.
***M5 main jets are generally used in 19mm carbs or bigger.***
M5x.80 Thread Size