What gas engine does my Yamaha have?

[Michael Eddie]

G1
Yamaha 2-Cycle oil injected engine

G2 and G9
Yamaha 285cc 4-Cycle OHV Engine

G14
Yamaha 300cc 4-Cycle Engine

G16
Improved Yamaha 301cc 4-Cycle Engine

G22
Yamaha 357cc 11.4 HP 4-Cycle Engine

YDR (The Drive)
Yamaha 351cc 11.4 HP 4-Cycle Engine