1976 HD SX 125

Brakes:1976 Harley-Davidson SX 125


I'm a fan of small displacement motorbikes so this one was especially neat for me to see.  I had no idea that Harley-Davidson ever made bikes like that.

This little bike was produced for only 3 years.  It didn't sell due to it's high price and stiff competition from other manufacturers.

Engine Type: air cooled, two-stroke single cylinder
Displacement: 123 cc
Valve Train: Rotary valve
Transmission: 5 speed
Brakes: single leading shoe front and rear

First motorcycles: Pierce Four

1911 Pierce Four

America's first inline four cylinder engine.
Manufactured by Pierce Cycle Co Buffalo, NY this motorcycle had massive frame compared to it's typical counterparts which had bicycle frames.






Engine type: air cooled inline four cylinder
Displacement: 696 cc (42 ci)
Valve train: overhead valve
Transmission: 1 speed
Brakes: negligible

tags: "first motorcycles" "Trev Deeley motorcycle museum" "vintage motorcycle exhibition"vintage motorbikes" "Made in America exhibition at Trev Deeley" "motorcycle history" "historical motorcycles"