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JABSA #415978
01/29/12 5:34 pm
01/29/12 5:34 pm
3 Images
Joined: Sep 2008
Posts: 129
Devon, UK

Tim Lynch Offline OP
BritBike Forum member
JABSA

[IMG]http://i426.photobucket.com/albums/pp346/tdl1325/JABSA/DSCN0669.jpg[/IMG]

[IMG]http://i426.photobucket.com/albums/pp346/tdl1325/JABSA/DSCN0443.jpg[/IMG]

[IMG]http://i426.photobucket.com/albums/pp346/tdl1325/JABSA/DSCN0670.jpg[/IMG]

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.
6 Comments
Re: JAWBSA [Re: Tim Lynch] #417264
02/06/12 4:16 am
02/06/12 4:16 am
Joined: Nov 2001
Posts: 82
Christchurch New Zealand
L
Lew Graham Offline
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Lew Graham  Offline
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L
Joined: Nov 2001
Posts: 82
Christchurch New Zealand
Great engine conversion Tim. Are you using a Jawa crank or the B31 crank?

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Re: JAWBSA [Re: Lew Graham] #417273
02/06/12 8:08 am
02/06/12 8:08 am
Joined: Sep 2008
Posts: 129
Devon, UK
Tim Lynch Offline OP
BritBike Forum member
Tim Lynch  Offline OP
BritBike Forum member
Joined: Sep 2008
Posts: 129
Devon, UK
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 [Re: Tim Lynch] #417327
02/06/12 5:28 pm
02/06/12 5:28 pm
Joined: May 2005
Posts: 3,776
ohio
shel Online content
BritBike Forum member
shel  Online Content
BritBike Forum member
Joined: May 2005
Posts: 3,776
ohio
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 [Re: Tim Lynch] #417367
02/06/12 9:58 pm
02/06/12 9:58 pm
Joined: Sep 2008
Posts: 129
Devon, UK
Tim Lynch Offline OP
BritBike Forum member
Tim Lynch  Offline OP
BritBike Forum member
Joined: Sep 2008
Posts: 129
Devon, UK
More photos and a couple of videos are at

Flickr tdl1325


1949 BSA M33
1952 JABSA 652 Sprinter
2009 Honda VFR 800
Re: JAWBSA [Re: Tim Lynch] #417387
02/07/12 1:01 am
02/07/12 1:01 am
Joined: May 2005
Posts: 3,776
ohio
shel Online content
BritBike Forum member
shel  Online Content
BritBike Forum member
Joined: May 2005
Posts: 3,776
ohio
That thing sounds wicked!


When given the choice between two evils I picked the one I haven't tried before
Re: JAWBSA [Re: Tim Lynch] #498162
07/18/13 6:50 am
07/18/13 6:50 am
Joined: Jan 2013
Posts: 133
Belgium
Julian Offline
BritBike Forum member
Julian  Offline
BritBike Forum member
Joined: Jan 2013
Posts: 133
Belgium
Very nice looking bike Tim,
Just read the mag write-up and loved it!

Regards,
Julian


Royal Enfield Works Trials
BSA Super Rocket Scrambler
BSA Gold Star Scrambler
Triumph Bonneville 1966
Laverda 750SF
Laverda "1000"SF
BSA Rocket 3
Norton Commando 850
Moto Morini 3-1/2 Sport
Moto Guzzi Le Mans 1
Ducati MHR 1980

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