Vergaser Mikuni TMX 38-18 2T

Mikuni TMX 38-18 carburetor with jetting set up suitable for most 250cc high performance motocross 2 stroke engine. The TMX features a flat slide design in a smooth bore venturi to provide improved throttle response and wider powerband: the float system with independently moving floats, working with a main jet enclosed in a baffle chamber, allows the TMX to perform smoothly without hesitation on the roughest terrain. TMX flatslide racing carbs are regarded by the factory to be the best performing version of this carburetor ever made: once fitted will eliminate a lot of the hesitation, hard starting and other performance problems experienced with some OEM carbs and will boost performance.

Carburetor Mikuni TMX 38-18 factory setting:

• pilot jet: 20 series VM22/210
• main jet: 370 series 4/042
• needle: 6EJ12-55
• throttle valve: 3.5 series 999-832-014

Carburetor Mikuni TMX 38-18 dimensions:

• outer engine side diameter: 47mm
• outer intake side diameter: 62mm
• total height: 164mm
• total depth: 76mm