Main Jet 158 Keihin Carburetor for KTM 300 EXC/XC 2012-2016 - 54531623158 mountain bike When replacing this idler gear

When replacing this idler gear

including the KTM 400

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

KTM 125 SX 2011

Main Jet 158 Keihin Carburetor for KTM 300 EXC/XC 2012-2016 - 54531623158 mountain bike When replacing this idler gearThis 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