Great running rare and collectible mostly original bike, new carbs, piston rings, and gauges, easy to start electronic ignition, like new Dunlap K70 tires on Borrani aluminum rims, matching numbers, everything works, and also comes with extra metal gas tank. Hagerty price for good condition example is $7900.
The BSA Spitfire Mk IV was a 1968 British 650cc parallel-twin motorcycle, known for its performance, featuring twin carburetors, a 53 bhp engine, and a top speed of over 100 mph. It was the last in the "Mark" series and came equipped with improvements like Amal Concentric carburetors, a twin-leading-shoe front brake, and an improved ignition system. The Mk IV was a high-performance motorcycle intended for sports touring.
Engine and performance
Engine: 654cc parallel-twin
Horsepower: 53 bhp
Top Speed: Approximately 108 mph
Carburetors: Twin Amal Concentric carburetors
Transmission: 4-speed gearbox
Key features
Brakes: Twin-leading-shoe front brake
Ignition: Independently adjustable Lucas ignition points for easier starting
Suspension: Hydraulic front forks with black gaiters and a dual shock rear swingarm suspension
Exhaust: Dual exhaust with pea shooter mufflers
Wheels: Chrome spoke wheels with alloy rims
Ergonomics: Raised handlebars and forward-mounted footrests for a sporty, sports-touring position
Styling: Red and cream fuel tank with red oil tank and side covers, black two-up seat with grab rail, and chrome fenders
Model history and improvements
The Mk IV was the final "Mark" Spitfire model, with production ending in 1968.
It incorporated improvements from earlier models, such as the Amal Concentric carburetors and the twin-leading-shoe front brake.
A total of 1,291 true 1968 models were built, along with 478 "hybrids" of which this is believed one.