22G .. I have an enfield Electra UCE & also, a Yamaha Fazer.
Have to say, Yamaha Fazer, FZ or FZ16 are amazing bikes in 150 cc.
Better than any bike in this segment. Performance, mileage, looks, everything is just so cool about yamaha bikes.. I would say,, go for one of the 4 models by Yamaha - Fazer, FZ, FZ16, or FZS