BSA Bantam Virtual Club
Bantam Restoration
West Coast & Applecross 2000
Matt's Racing Bantam
Bantam Racing Rules.
Arden's Journey.
Expansion Chambers.
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RAF 50907
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Cafe Racer.
This is the Exhaust & silencer system which is on a B175 Cafe Racer Bantam.
You can see where the original pipe ends and the Jap system is welded to it.
I do not know how this compares with other Bantam systems.
When I have it running I will record the sound for you to listen to. |  |
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Art's Bantam Expansion Chamber.
 | This was sent in by Arden Jensen. PLEASE read also Ardens Adventourous BSA Bantam ride.
Art's Expansion Chamber Dimensions.
A-B. Header Pipe.
1.625" Dia.
20.0" Long. ( Measured from the PISTON ).
B-C. First Cone.
1.625" Dia. Inlet.
3.0" Dia. Exit.
C-D. Centre Section.
3.0" Dia.
3.0" Long.
D-E. Reverse Cone.
3.0" Dia. Inlet.
0.75" Dia. Exit.
11.0" Long.
E-F. Stinger ( aka Tailpipe ).
0.75" Dia.
6.0" Long.
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