1938 BSA Y13

Specifications
- Category
- Cross / motocross
- Displacement
- 748.0 ccm (45.64 cubic inches)
- Power
- 19.5 HP (14.2 kW) @ 4800 RPM
The 1938 BSA Y13
1938 BSA Y13 sits in the mid-to-large end of BSA's prewar competition range, built for riders who wanted a proper big-single to campaign in trials and scramble events rather than a road bike wearing knobblies as an afterthought. This is a torquey, long-stroke machine designed to be muscled over rutted farm tracks and hillside sections at low speed, where control and grunt matter more than outright pace. Riding one today means learning to work with a heavy flywheel effect and a gearbox that wants deliberate shifts, not quick stabs, and owners generally describe it as a bike that rewards patience rather than aggression. The 1938 model carried over without significant mechanical changes from the prior year, so buyers comparing it to a 1937 example should focus on mileage, service history, and condition rather than spec differences. Given that BSA made no special-edition variant for 1938, originality and correct period parts carry real weight when assessing value. Collector interest in the 1938 BSA Y13 runs high today, and buyers tend to be prewar British bike specialists or trials-history enthusiasts looking for a rideable, correctly sorted example rather than a garage ornament.
