BSA - Birmingham Small Arms


Whether you view a BSA as "Best Scrambler Around," or "Bastard Stopped Again," there's no denying that a BSA is an excellent choice for vintage MX, whether you're competing in Premier, Classic or Sportsman classes.

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

BSA Models
Parts Available for BSA
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Seat, BSA B50MX
Seat, BSA B50MX - $289.00

Complete seat has a fiberglass replica of the B50MX base, topped with firm foam and an OE-style black vinyl cover. This seat works excellently on the earlier unit single BSA frames, and is also very popular when building specials.

Seat, BSA B50MX - $289.00

Complete seat has a fiberglass replica of the B50MX base, topped with firm foam and an OE-style black vinyl cover. This seat works excellently on the earlier unit single BSA frames, and is also very popular when building specials.

Motorcycle Model Any, B25, B40, B44, B50, C15
Motorcycle Manufacturer Any, BSA
   
Seat, BSA B50MX
Price $289.00
Description

Complete seat has a fiberglass replica of the B50MX base, topped with firm foam and an OE-style black vinyl cover. This seat works excellently on the earlier unit single BSA frames, and is also very popular when building specials.

Motorcycle Model Any, B25, B40, B44, B50, C15
Motorcycle Manufacturer Any, BSA

Available for Bultaco Pursang and Sherpa T, BSA, Husky, Montesa and Yamaha. Made in black vinyl, with brand logo where appropriate. Models shown below are currently in stock; others by special order.

Seat Covers, Factory Replica - $45.00

Available for Bultaco Pursang and Sherpa T, BSA, Husky, Montesa and Yamaha. Made in black vinyl, with brand logo where appropriate. Models shown below are currently in stock; others by special order.

Motorcycle Model Any, Gold Star, Pursang, Sherpa T, TY175
Motorcycle Manufacturer BSA, Bultaco, Husqvarna, Montesa, Yamaha
   
Seat Covers, Factory Replica
Price $45.00
Description

Available for Bultaco Pursang and Sherpa T, BSA, Husky, Montesa and Yamaha. Made in black vinyl, with brand logo where appropriate. Models shown below are currently in stock; others by special order.

Motorcycle Model Any, Gold Star, Pursang, Sherpa T, TY175
Motorcycle Manufacturer BSA, Bultaco, Husqvarna, Montesa, Yamaha
Rubber Carb Cover, Amal Concentric

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
Rims, Italian Chrome

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. The sizes and drill patterns listed are in stock; 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. The sizes and drill patterns listed are in stock; delivery on special-order items takes weeks. Please contact us if you don't see what you need.

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, CZ, Greeves, Husqvarna, Matchless, Penton, 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. The sizes and drill patterns listed are in stock; delivery on special-order items takes weeks. Please contact us if you don't see what you need.

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, CZ, Greeves, Husqvarna, Matchless, Penton, Rickman, Triumph
Rear Sprocket, Alloy
Top-quality, US-made alloy rear sprockets for every application under the sun, in any chain size. Far too many to list here, please give us a ring with your requirements. Quick turnaround for custom items, competitive prices (varies by tooth count and chain size).
Rear Sprocket, Alloy -
Top-quality, US-made alloy rear sprockets for every application under the sun, in any chain size. Far too many to list here, please give us a ring with your requirements. Quick turnaround for custom items, competitive prices (varies by tooth count and chain size).
Motorcycle Model #18, #42, #48, #68, 9E-37A, A10, A50, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., RL250, Scottish, Sherpa T, Stiletto, Stormer, T100, T120, T140, Tiger Cub, TL125, TL250, TLR200/Reflex, TM125, TR6, TY175, TY250, TY80, XL250, YZ400
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Villiers, Yamaha
   
Rear Sprocket, Alloy
Price
Description Top-quality, US-made alloy rear sprockets for every application under the sun, in any chain size. Far too many to list here, please give us a ring with your requirements. Quick turnaround for custom items, competitive prices (varies by tooth count and chain size).
Motorcycle Model #18, #42, #48, #68, 9E-37A, A10, A50, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., RL250, Scottish, Sherpa T, Stiletto, Stormer, T100, T120, T140, Tiger Cub, TL125, TL250, TLR200/Reflex, TM125, TR6, TY175, TY250, TY80, XL250, YZ400
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Villiers, Yamaha
Points Cover, Finned Alloy
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
Points Cover, Chrome
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
Petcock, British, 1/8 or 1/4 BSP

Premium quality fuel tap, CNC-machined brass with nickel plating. Stainless steel filter gauze with internal anti-crush cage. Resistant to unleaded fuels with added ethanol content. Two thread sizes -- 1/4 BSP (.520") or 1/8 BSP (.375").

Petcock, British, 1/8 or 1/4 BSP - $25.00

Premium quality fuel tap, CNC-machined brass with nickel plating. Stainless steel filter gauze with internal anti-crush cage. Resistant to unleaded fuels with added ethanol content. Two thread sizes -- 1/4 BSP (.520") or 1/8 BSP (.375").

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
   
Petcock, British, 1/8 or 1/4 BSP
Price $25.00
Description

Premium quality fuel tap, CNC-machined brass with nickel plating. Stainless steel filter gauze with internal anti-crush cage. Resistant to unleaded fuels with added ethanol content. Two thread sizes -- 1/4 BSP (.520") or 1/8 BSP (.375").

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
Petcock, British 1/4 BSP

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
Petcock Sealing Washer, 1/4 BSP
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
 
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