Keihin Idle Jet 42 for KTM 85/125/250/300 SX EXC 1994-2026 - 54531607042

Keihin Idle Jet 42 for KTM 85/125/250/300 SX EXC 1994-2026 - 54531607042This genuine Keihin Idle Jet 42 is an essential OEM component designed for precise fuel delivery at low engine speeds. It regulates the air fuel mixture during idling and initial throttle opening to ensure smooth engine performance and reliable starting. Compatible with an extensive range of models, including the KTM 85 SX, 125 SX EXC, 150 SX XC, 200 EXC XC W, 250 SX EXC XC, and 300 EXC XC XC W from 1994 to 2026. It also fits Husqvarna TC 85, TC 125,

Using a Size A (Group I) piston is essential when your cylinder bore is within the original factory specifications to maintain optimal clearance

as well as the 2020-2021 KTM RC 390

Compatible with 2017-2019 KTM 50 SX (EU)

professional look and match factory specifications for easy replacement

It provides reliable torque and durability under extreme racing conditions

and 85 SX from 2016 to 2026

our MC 125 is the real deal

OEM Part Number is 0412357217

It acts as a precision spacer

Rally models from 2007-2017 including 125 SX

It is a direct replacement part engineered to meet the exact factory standards for your machine

Its precise dimensions ensure a perfect fit with your existing hub and spoke assembly