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JABSA
#415978 01/29/12 5:34 pm
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Joined: Sep 2008
Posts: 129
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JABSA

[Linked Image]

[Linked Image]

[Linked Image]

M20 frame, B31 bottom end, Jawa DOHC 4V head & barrel. This is the finished bike, not a photoshop image this time.
Last edited by Tim Lynch; 02/21/13 10:13 am.
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6 Comments
Re: JAWBSA
Tim Lynch #417264 02/06/12 4:16 am
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Great engine conversion Tim. Are you using a Jawa crank or the B31 crank?

Re: JAWBSA
Lew Graham #417273 02/06/12 8:08 am
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Crank is B31 lightened to DB32 spec. Rod is 163mm GM speedway item, piston is 90.5mm JE. It goes like stink!


1949 BSA M33
1952 JABSA 652 Sprinter
2009 Honda VFR 800
Re: JAWBSA
Tim Lynch #417327 02/06/12 5:28 pm
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I'd love to hear it run.


When given the choice between two evils I picked the one I haven't tried before
Re: JAWBSA
Tim Lynch #417367 02/06/12 9:58 pm
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More photos and a couple of videos are at

Flickr tdl1325



1949 BSA M33
1952 JABSA 652 Sprinter
2009 Honda VFR 800
Re: JAWBSA
Tim Lynch #417387 02/07/12 1:01 am
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That thing sounds wicked!


When given the choice between two evils I picked the one I haven't tried before
Re: JAWBSA
Tim Lynch #498162 07/18/13 6:50 am
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Very nice looking bike Tim,
Just read the mag write-up and loved it!

Regards,
Julian


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