Keihin Idle Jet 55 for KTM 125/250 SX/EXC Husqvarna - 54531607055

This is an OEM Keihin idle jet sized 55, used in the carburetor to regulate idle speed and low-speed fuel mixture. It ensures stable idling and smooth throttle response on compatible off-road motorcycles. Direct replacement for genuine part number 54531607055.

Compatible with KTM 85 SX (2025-2026), 125/150/250/300/380 SX/SXS/EXC/MXC (1996-2016 EU/US), Husqvarna TC/TE 85/125/250 (2014-2026 EU/US), and GasGas MC 85 (2025-2026). Fits various editions including SIX-DAYS, FACTORY EDITION, and regional variants like CKD (CN). Covers models from 1996 to 2026 across these brands.

Precision-machined brass construction for accurate fuel delivery and durability. Essential for tuning carburetors after cleaning or rejetting to match engine modifications or altitude changes.

Before installing, verify jet size matches your setup and clean the carburetor thoroughly. Check all jets during maintenance to ensure optimal performance.

Check compatibility list below to see if this part fits your motorcycle model.