Registration: KBY 509C
Chassis: 872
Odometer: N/A
Transmission: Manual
MOT: Exempt

• Villiers 32A two-stroke engine
• Early Mk1 frame specification
• Fitted with telescopic front forks

The lightweight British trials motorcycle scene of the 1960s produced some of the most agile and characterful competition machines of the era, with Sprite motorcycles becoming particularly well regarded amongst clubman and amateur riders. Built using lightweight competition-focused frames and Villiers two-stroke engines, Sprite trials bikes earned a reputation for simplicity, capable off-road handling and strong performance in observed trials competition.

Offered here is a highly interesting and well-presented 1965 Sprite 250cc Trials Bike, registered KBY 509C, benefitting from extensive accompanying correspondence, dating research and owners’ club documentation helping to verify both its age and specification.

Importantly, the bike has been subject to detailed investigation and authentication through the Francis Barnett Owners Club Dating Officer, alongside communications with recognised Sprite marque specialists. The accompanying paperwork confirms the machine as a Sprite Trials 250 Mk1 fitted with a Villiers 32A engine, with evidence supporting a 1965 build date and an age-related registration recommendation.

The documentation file contains detailed correspondence discussing the frame design, engine specification and development differences between early Sprite models. Of particular interest is the confirmation that this motorcycle retains the earlier Mk1 frame design rather than the later Mk2 arrangement introduced around 1966. Emails within the history file explain that the frame lacks the later twin hoop support rails and instead corresponds with the earlier and rarer Mk1 pattern frame.

Further correspondence also references the bike’s front fork arrangement. The paperwork confirms that standard 1965 Sprite Mk1 machines were originally supplied with leading-link forks, while telescopic forks were introduced later as an optional extra and were designed to be interchangeable with the earlier frame. This example is fitted with telescopic forks, a recognised period-style upgrade which suits the bike’s lightweight trials specification.

The machine itself presents extremely well as a compact, purposeful and very attractive classic British trials bike. Finished in traditional Sprite red with polished alloy mudguards, chrome spring suspension and trials-pattern tyres, it captures the unmistakable appearance of a mid-1960s lightweight competition motorcycle. The minimalist competition-style layout, lightweight frame and Villiers single-cylinder engine all remain highly evocative of the era.

The engine and cycle parts appear clean and well presented, while the overall aesthetic retains an authentic period feel rather than appearing over-restored. The machine is fitted with a single seat, competition handlebars, chrome-plated steel wheel rims and the characteristic lightweight competition frame design associated with Sprite motorcycles of the period.

Accompanying the motorcycle is a particularly impressive history and research file including dating certificates, technical extracts, frame analysis, period literature, engineering references, owners’ club correspondence and supporting imagery documenting the identification process. This substantial paperwork adds greatly to the bike’s historical interest and collectability.

As British lightweight competition motorcycles continue to gain popularity amongst collectors and classic trials enthusiasts alike, well-documented Sprite machines are becoming increasingly sought after — particularly early examples retaining correct period characteristics and supported by detailed provenance.