The Yamaha 620-14231-20-00 JET, MAIN (#100) fits the following models and components:
Yamaha ATV 1983 YTM200K CARBURETOR YTM200K
Yamaha Motorcycle 1985 MAXIM X - XJ700XN Carburetor
Yamaha Motorcycle 1985 MAXIM X - XJ700XNC Carburetor
Yamaha Motorcycle 1987 FZ700TC Carburetor
Yamaha Motorcycle 1987 FZ700T Carburetor
Yamaha Motorcycle 2008 TTR125L - TTR125LX Carburetor
Yamaha Motorcycle 2008 TTR125LE - TTR125LEX Carburetor
Yamaha Motorcycle 2008 TTR125E - TTR125EX Carburetor
Yamaha Motorcycle 2009 TTR125E_LE - TTR125LEY Carburetor
Yamaha Motorcycle 2009 TTR125E_LE - TTR125EY Carburetor
Yamaha Motorcycle 2011 TTR125LE - TTR125LEA Carburetor
Yamaha Motorcycle 2012 TTR125LE - TTR125LEB Carburetor
Yamaha Motorcycle 2013 TTR125LE - TTR125LED Carburetor
Yamaha Motorcycle 2014 TTR125LE - TTR125LEE Carburetor
Yamaha Motorcycle 2015 TTR125LE - TTR125LEF Carburetor
Yamaha Motorcycle 2016 TTR125LE - TTR125LEG Carburetor