Needle jets, series 166 primary type, for VM38 Mikuni carburetor for Honda LED colors:

LED colors:

For lead/acid batteries see the Rick's reg/rec

See the VM32 (L or R) or VM34 (L or R) carburetors if you need idle adjustment screws on either side

Race use in Cars up to 3500cc (use may vary depending on modifications to motor and size of motor)

Needle jets, series 166 primary type, for VM38 Mikuni carburetor for Honda LED colors:Genuine Mikuni needle jets, 166 series primary type. Fit Mikuni VM38 spigot mount carburetors. Sold each. Select desired size and quantity. Needle jets are listed below in order from lean to rich: 166 O 0 166 O 2 166 O 4 166 O 5 166 O 6 166 O 8 166 P 0 166 P 2 166 P 4 166 P 5 166 P 6 166 P 8 166 Q 0 166 Q 2 166 Q 4 166 Q 5 166 Q 6 166 Q 8 166 R 0 166 R 2 166 R 4 166 R 5 166 R 6 166 R 8