BSA’s first new model after WWII, the B31 was a single-cylinder four-stroke designed to be used as basic transport. The 17 horsepower engine was sufficient to get the bike up about 70 miles per hour. Normally a 348cc engine, this engine on this specific BSA B31 (VIN: XB31 8688L) supposedly has a 500cc top end and cams from a Gold Star – which is believable, as the original engine was the predecessor to the Gold Star’s powerplant. Unfortunately, there isn’t much history to this bike but it’s claimed to start and run fine. Find this BSA B31 for sale in Tucson, Arizona with bidding up to $3,650 and the reserve not yet met here on eBay.
BSA’s first new model after WWII, the B31 was a single-cylinder four-stroke designed to be used as basic transport. The 17 horsepower engine was sufficient to get the bike up about 70 miles per hour. This example has 8,832 miles and it was imported to the US in 2002 -…
Post Sale Update: This B33 sold for $6,750 after 20 bids on eBay. Introduced in 1947, the B33 gets very little glory compared to BSA's performance bikes like the Gold Star, but this is what got many Brits around for many years - production ended in 1960. The B33 was…
Per the seller, this example was originally a dirt track racer owned by a BSA dealer in New York. But it's street legal, so you could enjoy city streets as well. What would you do with it? The B33 was the 499cc big brother to the 348cc B31. The bikes…
