1969 AJS 37A-T trials bike

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Highlights 

  • Rare example of AJS 37A-T trials bike
  • Fully recommissioned between 2024 and 2026
  • More than £3,000 spent this year on work
  • Custom-built chrome exhaust, muffler and aluminum airbox
  • MOT/road tax exempt


The Appeal

 
The AJS 37A-T trials bike is a very rare machine indeed, as fewer than 100 of these models were produced between 1969 and 1970. Based around a torquey single-cylinder two-stroke engine and lightweight Reynolds-tubed frame, the 37A-T was extremely well-made and was, with certain modifications, able to find some success on the trials scene.
 
This 1969 example was purchased by the seller in 2024, when its engine and gearbox had already been rebuilt to a “very high standard” by Paul Powell of Cotton Motorcycles. Since then, the seller has spent well over £3,000 to complete its recommissioning, including repainting the original fuel tank, rebuilding the forks and fitting custom-built chrome exhaust, muffler and aluminum airbox.
 
The repainted green frame and silver fuel tank of the bike are bright and free of imperfections, and the original aluminum fenders have been polished. The bike is to standard specification, the only exception being the reed block setup on the carburetor, which was fitted in 2024 alongside new handlebars and clutch and brake levers.
 
The seller states, “The bike starts and runs beautifully and, being very light, is very smooth and easy to ride and control”. This is a rare opportunity to acquire an outstanding example of a truly rare British trials bike.
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Key Information

  • Mileage: 500 miles (indicated; the seller notes that the odometer is inoperative)
  • Country of registration: United Kingdom
  • Technical inspection status: MOT/road tax exempt
  • Technical specs: 246cc 12bhp single-cylinder gasoline, 4-speed manual
  • Paperwork: V5C, original registration document (stamped), 1972 parts price list, exploded diagrams for gearbox and air filter and choke

The Detail

  • Engine and gearbox rebuilt in 2024 by Paul Powell of Cotton Motorcycles
  • New carburetor fitted in 2024
  • New handlebars fitted in 2024
  • New clutch and brake levers fitted in 2024 
  • Pirelli tires
  • MOT exempt
2026 recommissioning includes:
 
  • Repainting Reynolds frame 
  • Repainting original fuel tank 
  • Rebuilding forks 
  • Fitting custom-built chrome exhaust, muffler and aluminum airbox 
  • Polishing original aluminum fenders
Most recent invoices:

06/26 – £3,310.72 – W14 Engineering (Invoice #0115758)
 
  • Recommissioning, including fabrication of new exhaust system, reed valve induction and airbox
 
06/26 – £150.00 – W14 Engineering (Invoice #0115757)
 
  • Chrome plating front exhaust pipe and mid collector pipe
BEFORE YOU BUY 
This sale is subject to the Car & Classic Terms and Conditions. By bidding and/or making an offer, you also agree to the following: 
✓ The seller is registered as a private seller which means consumer rights stemming from EU consumer protection law do not come into effect. However, you are still covered by Car & Classic’s own Terms and Conditions.. 
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Pre-bids

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Auction Details

  • Year1969
  • MakeAJS
  • Model37A
  • ColourSilver
  • Odometer500 Miles
  • Engine size246cc
  • TransmissionManual, 4 speed
  • Fuel typePetrol
  • Seller TypePrivate
  • TownDesborough
  • CountyNorth Northamptonshire
  • CountryUnited Kingdom
  • Auction ends

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