....so I stopped in and took it for a ride. This is the motor that the TW needs. Not so much for the extra 25 CCs, but that sixth gear. It didn't seem to have much more get up and go for the extra displacement, but when you get up to 55 mph you have another gear to shift into that's like an overdrive. At 60 mph the motor is just purring, not screaming. Might have to think some on getting the tail shaft conversion for one.