Main Jet 158 Keihin Carburetor for KTM 300 EXC/XC 2012-2016 - 54531623158 mountain bike providing the necessary strength and

providing the necessary strength and flex required for demanding off-road and motocross riding

These components are engineered to withstand high temperatures and pressures

It ensures smooth rotation and reduces friction between moving components

This fits both 17/14 and 19/16 wheel configurations across these years

Main Jet 158 Keihin Carburetor for KTM 300 EXC/XC 2012-2016 - 54531623158 mountain bike providing the necessary strength andThis main jet is an OEM Keihin carburetor component designed to regulate fuel flow into the engine. It ensures proper air fuel mixture for optimal engine performance and throttle response. Compatible with 2016 KTM 125 EXC (EU), 125 EXC SIX DAYS (EU), 200 EXC (EU), 200 XC W (US), 250 SX (EU US), 250 XC, 250 XC W (US), 300 EXC (EU), 300 EXC SIX DAYS (EU), 300 XC, 300 XC W (US), 300 XC W SIX DAYS (US); 2016 HUSQVARNA TC 250 (EU), TE 125 (EU US), TE 300