BSA


BSA made their mark in the English observed trials world with the Gold Star, and continued to have success with the unit-construction C15 and B40. These bikes, along with the two-stroke Bantam, are still favorites with riders and spectators alike.

For general parts, please see the product index on the left.

Parts available for BSA Trials
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Valve Guides, British

Bronze valve guides sold individually. Available for Triumph 650/750, or Triumph 500. The Cub and BSA unit singles use Triumph 500 guides. The standard outside diameter for all is .501"; oversizes available.

Valve Guides, British - $15.00

Bronze valve guides sold individually. Available for Triumph 650/750, or Triumph 500. The Cub and BSA unit singles use Triumph 500 guides. The standard outside diameter for all is .501"; oversizes available.

Motorcycle Model B25, B40, B44, B50, C15, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer BSA, Triumph
   
Valve Guides, British
Price $15.00
Description

Bronze valve guides sold individually. Available for Triumph 650/750, or Triumph 500. The Cub and BSA unit singles use Triumph 500 guides. The standard outside diameter for all is .501"; oversizes available.

Motorcycle Model B25, B40, B44, B50, C15, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer BSA, Triumph
Genuine Hepolite valves for single-cylinder British motorcycles. In-stock items appear in the drop-down menu, others available on short notice.
Valve, British Singles - $25.00
Genuine Hepolite valves for single-cylinder British motorcycles. In-stock items appear in the drop-down menu, others available on short notice.
Motorcycle Model B40, B44, B50, C15, Tiger Cub
Motorcycle Manufacturer BSA, Triumph
   
Valve, British Singles
Price $25.00
Description Genuine Hepolite valves for single-cylinder British motorcycles. In-stock items appear in the drop-down menu, others available on short notice.
Motorcycle Model B40, B44, B50, C15, Tiger Cub
Motorcycle Manufacturer BSA, Triumph
Voltage Regulator
Wassell solid-state 12V DC positive-ground regulator. Use with 12V dynamo only (for use with 12V Armature/Field Coils, but not for 6v to 12v conversions). E3L,E3N type dynamos.
Voltage Regulator - $45.00
Wassell solid-state 12V DC positive-ground regulator. Use with 12V dynamo only (for use with 12V Armature/Field Coils, but not for 6v to 12v conversions). E3L,E3N type dynamos.
Motorcycle Model A10, Gold Star, T100, T120, TR6
Motorcycle Manufacturer Any, Ariel, BSA, Matchless, Triumph
   
Voltage Regulator
Price $45.00
Description Wassell solid-state 12V DC positive-ground regulator. Use with 12V dynamo only (for use with 12V Armature/Field Coils, but not for 6v to 12v conversions). E3L,E3N type dynamos.
Motorcycle Model A10, Gold Star, T100, T120, TR6
Motorcycle Manufacturer Any, Ariel, BSA, Matchless, Triumph