MIKUNI Genuine Mikuni 4/042 Main Jets — Jet size 135, 4-pack, 12.00 mm
Direct-fit main jets for many Mikuni carburetors; verify fitment. Made in Japan.
Direct-fit main jets for many Mikuni carburetors; verify fitment. Made in Japan.
Genuine Mikuni 4/042 main jets designed to restore precise fuel metering and reliable throttle response.
Direct fit for many Mikuni carburetors, including VM18 (clamp on), VM24-512, VM26-512, VM26-606 and TMX series; verify fitment against your carburetor before ordering.
Also fits several OE applications — check dimensions and references to confirm compatibility.
Manufactured in Japan to strict quality standards for durable, consistent performance.