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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Oil Seal Set, BSA Unit Singles
Oil Seal Set, BSA Unit Singles - $30.00

Complete set of the six seals needed for an engine rebuild. Specify 5/8" or 3/4" kickstart shaft.
Oil Seal Set, BSA Unit Singles - $30.00

Complete set of the six seals needed for an engine rebuild. Specify 5/8" or 3/4" kickstart shaft.

Motorcycle Model B25, B40, B44, B50, C15
Motorcycle Manufacturer BSA
   
Oil Seal Set, BSA Unit Singles
Price $30.00
Description

Complete set of the six seals needed for an engine rebuild. Specify 5/8" or 3/4" kickstart shaft.
Motorcycle Model B25, B40, B44, B50, C15
Motorcycle Manufacturer BSA
Oil Tank, British Alloy
Oil Tank, British Alloy - $220.00

There are two models of these special-order oil tanks. One is for the Triumph Tiger Cub, the other is intended as a Universal fit. Expect a lead time of 10 working days.
Oil Tank, British Alloy - $220.00

There are two models of these special-order oil tanks. One is for the Triumph Tiger Cub, the other is intended as a Universal fit. Expect a lead time of 10 working days.

Motorcycle Model Any, B40, C15, Tiger Cub
Motorcycle Manufacturer Any, BSA, Matchless, Triumph
   
Oil Tank, British Alloy
Price $220.00
Description

There are two models of these special-order oil tanks. One is for the Triumph Tiger Cub, the other is intended as a Universal fit. Expect a lead time of 10 working days.
Motorcycle Model Any, B40, C15, Tiger Cub
Motorcycle Manufacturer Any, BSA, Matchless, Triumph
Petcock Sealing Washer, 1/4 BSP
Petcock Sealing Washer, 1/4 BSP - $1.75
Alloy Dowty-type sealing washer with bonded-rubber inner seal. Fits 1/4 BSP fuel taps (1/2"i.d.). Sold individually.
Petcock Sealing Washer, 1/4 BSP - $1.75
Alloy Dowty-type sealing washer with bonded-rubber inner seal. Fits 1/4 BSP fuel taps (1/2"i.d.). Sold individually.
Motorcycle Model Any
Motorcycle Manufacturer AJS, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
   
Petcock Sealing Washer, 1/4 BSP
Price $1.75
Description Alloy Dowty-type sealing washer with bonded-rubber inner seal. Fits 1/4 BSP fuel taps (1/2"i.d.). Sold individually.
Motorcycle Model Any
Motorcycle Manufacturer AJS, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
Petcock, British 1/4 BSP
Petcock, British 1/4 BSP - $17.00

The most-common British petcock size is 1/4 British Standard Pipe (measures .520"x 19tpi). This chrome fuel tap has no standpipe, and takes a 1/4 BSP nut on the fuel-line side.
Petcock, British 1/4 BSP - $17.00

The most-common British petcock size is 1/4 British Standard Pipe (measures .520"x 19tpi). This chrome fuel tap has no standpipe, and takes a 1/4 BSP nut on the fuel-line side.

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B50, C15, Challenger, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
   
Petcock, British 1/4 BSP
Price $17.00
Description

The most-common British petcock size is 1/4 British Standard Pipe (measures .520"x 19tpi). This chrome fuel tap has no standpipe, and takes a 1/4 BSP nut on the fuel-line side.
Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B50, C15, Challenger, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
Points Cover, Chrome
Points Cover, Chrome - $12.00
New replacement points cover for BSA and Triumph engines with points in the timing cover.
Points Cover, Chrome - $12.00
New replacement points cover for BSA and Triumph engines with points in the timing cover.
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
   
Points Cover, Chrome
Price $12.00
Description New replacement points cover for BSA and Triumph engines with points in the timing cover.
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
Points Cover, Finned Alloy
Points Cover, Finned Alloy - $27.50
New finned-aluminum points cover for BSA and Triumph engines with points in the timing cover. Period custom look!
Points Cover, Finned Alloy - $27.50
New finned-aluminum points cover for BSA and Triumph engines with points in the timing cover. Period custom look!
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
   
Points Cover, Finned Alloy
Price $27.50
Description New finned-aluminum points cover for BSA and Triumph engines with points in the timing cover. Period custom look!
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
Primary Chain, Double-Row
Primary Chain, Double-Row - $35.00

High-quality primary chains made from Italian Regina material. Choose the one for your bike.
Primary Chain, Double-Row - $35.00

High-quality primary chains made from Italian Regina material. Choose the one for your bike.

Motorcycle Model B25, B40, B44, B50, C15, Challenger, Griffon, M.A.R., Metisse, Phantom, Q.U.B., Stiletto, Stormer, T100, T120, Tiger Cub, TR6
Motorcycle Manufacturer AJS, BSA, Cotton, Greeves, Maico, Ossa, Rickman, Triumph, Villiers
   
Primary Chain, Double-Row
Price $35.00
Description

High-quality primary chains made from Italian Regina material. Choose the one for your bike.
Motorcycle Model B25, B40, B44, B50, C15, Challenger, Griffon, M.A.R., Metisse, Phantom, Q.U.B., Stiletto, Stormer, T100, T120, Tiger Cub, TR6
Motorcycle Manufacturer AJS, BSA, Cotton, Greeves, Maico, Ossa, Rickman, Triumph, Villiers
Primary Chain, Single-Row
Primary Chain, Single-Row - $15.00

Single-row primary chains for pre-unit British bikes, Villiers engines and Bultaco Sherpa T/Alpina.
Primary Chain, Single-Row - $15.00

Single-row primary chains for pre-unit British bikes, Villiers engines and Bultaco Sherpa T/Alpina.

Motorcycle Model 9E-37A, A10, Alpina, Anglian, G85, Gold Star, Hawkstone/MCS, HT5, Scottish, Sherpa T
Motorcycle Manufacturer Ariel, BSA, Bultaco, Cotton, Greeves, Matchless, Triumph, Villiers
   
Primary Chain, Single-Row
Price $15.00
Description

Single-row primary chains for pre-unit British bikes, Villiers engines and Bultaco Sherpa T/Alpina.
Motorcycle Model 9E-37A, A10, Alpina, Anglian, G85, Gold Star, Hawkstone/MCS, HT5, Scottish, Sherpa T
Motorcycle Manufacturer Ariel, BSA, Bultaco, Cotton, Greeves, Matchless, Triumph, Villiers
Rims, Italian Chrome
Rims, Italian Chrome - $105.00

Italian-made Radaellis are an economical choice for chrome rims. Chrome quality is not the very best, but quite acceptable. There are no external markings, and they are shaped like a Dunlop rim. Drilled to match your hub. Very limited sizes and drill patterns are stocked; delivery on special-order items takes weeks. Please contact us if you don't see what you need.
Rims, Italian Chrome - $105.00

Italian-made Radaellis are an economical choice for chrome rims. Chrome quality is not the very best, but quite acceptable. There are no external markings, and they are shaped like a Dunlop rim. Drilled to match your hub. Very limited sizes and drill patterns are stocked; delivery on special-order items takes weeks. Please contact us if you don't see what you need.

Motorcycle Model Any, B50, Griffon, Metisse, Micro Metisse, MkIII, MkIV, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Any, BSA, Greeves, Rickman, Triumph
   
Rims, Italian Chrome
Price $105.00
Description

Italian-made Radaellis are an economical choice for chrome rims. Chrome quality is not the very best, but quite acceptable. There are no external markings, and they are shaped like a Dunlop rim. Drilled to match your hub. Very limited sizes and drill patterns are stocked; delivery on special-order items takes weeks. Please contact us if you don't see what you need.
Motorcycle Model Any, B50, Griffon, Metisse, Micro Metisse, MkIII, MkIV, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Any, BSA, Greeves, Rickman, Triumph
Rubber Carb Cover, Amal Concentric
Rubber Carb Cover, Amal Concentric - $14.00

Seals dirt and water from entering your Concentric around the throttle cable and carb top.
Rubber Carb Cover, Amal Concentric - $14.00

Seals dirt and water from entering your Concentric around the throttle cable and carb top.

Motorcycle Model Alpina, Anglian, Any, B40, C15, Cota, HT5, M.A.R., Pursang, Sherpa T, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Ariel, BSA, Bultaco, Greeves, Montesa, Triumph
   
Rubber Carb Cover, Amal Concentric
Price $14.00
Description

Seals dirt and water from entering your Concentric around the throttle cable and carb top.
Motorcycle Model Alpina, Anglian, Any, B40, C15, Cota, HT5, M.A.R., Pursang, Sherpa T, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Ariel, BSA, Bultaco, Greeves, Montesa, Triumph