1935 Other Makes Martin JAP For Sale

Total votes: 212
Auction price:  
US $1.000.00
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Last update: 
Martin JAP
Sub Model: 
Speedway 500cc
Item Location: 
Chicago, Illinois, United States
Exterior Color: 
Black frame and fender
Engine Size: 
Vehicle does NOT have an existing warranty
Vehicle Title: 
For Sale By: 
Private Seller

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Description 1935 Other Makes Martin JAP

Unrestored Martin-JAP Speedway, Mid
Unrestored Martin-JAP
Speedway 500cc, the “Long”, 5-bolt pre-war cylinder type with Rudge clutch, BTH
Racing Magneto, Webb Dirt Track Forks and Amal Type 27/013 carburetor. The frame was developed from the speedway Rudge by Martin under license fitted and with the factory JAP 500cc Speedway engine. It still has an original 28 x 2-3/4 racing tire on rear
wheel, stamped sidewall lettering spelling out “Speedway Remould  122 Junction Rd London  N19 
Phone Archway 4242”. The front tire which came on the bike originally
was an Avon, sized 28 x 2-3/8. The JAP 500cc Speedway engine, such as the one shown here and later variants, dominated speedway track racing for nearly four decades.
While most of the parts are original
or correct, the front tire is a modern type that is larger in width than
permitted for racing purposes. The only correct sized tire that I could find to
meet the racing standard size was a bicycle tire.  The BTH magneto has been rebuilt but I retained the
outer case in its original condition. The engine case number indicates it to be
a 350cc machine, but as this is a Martin-JAP, it is fitted with the 500cc Speedway engine. It was not
uncommon for damaged cases to be replaced with used ones, as is likely the case here, since all 250cc,
350cc and 500cc JAP track engine cases are interchangeable, and JAP-factory replacement
parts were very expensive.
As can be seen in the
condition of this bike, it had been raced for some time.  The Rudge clutch is a correct rebuilt unit.
We have been able to start the bike on several occasions but have not run it
for periods more than a few seconds. It runs on methanol and the fuel tank and
system have been thoroughly flushed. We have used a Champion model L-60P spark
plug to run it. The seat was recovered at some point with a very durable
vinyl-like material that is stitched with wire underneath the seat pan.
Unrestored Martin JAPs of
this early vintage are extremely rare. They are almost unknown here in the US.
The backstory on this machine is unknown to me, but it certainly appears to
have been brought here sometime after World War II, as most organized racing in
the UK was suspended for the duration of the war.
This bike looks like it just
came off the track, as can be seen in the pictures. I also have a correct
rider’s foot peg, correct spark plugs and extra used clutch assembly (needs rebuild) that will come with the bike to the successful bidder. Ebay requires a mileage figure but actual mileage is unknown as there is no odometer. There is no title because this machine was built for racing purposes only. I will provide a Bill of Sale to the successful bidder.
I encourage questions so
please feel free to contact me via email or by phone at 773.677-4266 in the US.
The bike can be seen and inspected locally upon request (also encouraged).

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