Main Jet 138 Keihin for KTM 85 SX, Husqvarna TC 85 - 54531623138

This is an OEM Main Jet 138 Keihin, a critical carburetor component that regulates fuel flow for optimal engine performance. It ensures precise air-fuel mixture in the carburetor main circuit. Direct replacement for genuine KTM, Husqvarna, and GASGAS parts.

Compatible with 2026-2018 KTM 85 SX 17/14 and 19/16 models (including CKD CN variants), Husqvarna TC 85 17/14 and 19/16, and GASGAS MC 85 17/14 and 19/16. Fits EU and standard versions across these years. OEM part number 54531623138.

Made to factory specifications for reliable jetting and tuning. Ideal for maintaining or adjusting carburetor performance on 85cc two-stroke motocross bikes.

Before installing the carburetor, always check and verify the jetting as per manufacturer guidelines. Clean the jet thoroughly during maintenance.

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