Needle jets, series 389 primary type, for TM38 Size:389 Q-8 Its usually best to get

Its usually best to get the pilot jet size

If using one turn signal light to activate with either the left or right turn signal be sure to order the turn signal diode kit

Mikuni TM38-86 dimensions: A=43mm

Race and Track Day use in inline 4 cylinder 600cc sport bikes

Needle jets, series 389 primary type, for TM38 Size:389 Q-8 Its usually best to getGenuine Mikuni needle jets, 389 series primary type. Fits Mikuni TM38 flat slide spigot mount carburetors and other flat slide carbs. Sold each. Select desired size and quantity. Needle jets are listed below in order from lean to rich: 389 O 0 389 O 2 389 O 4 389 O 6 389 O 8 389 P 0 389 P 2 389 P 4 389 P 6 389 P 8 389 Q 0 389 Q 2 389 Q 4 389 Q 6 389 Q 8 389 R 0 389 R 2 389 R 4 389 R 6 389 R 8