My Big Flathead
My and the motorcycles history
Description: Big Flathead
Yerar of make: 1946
Motordaten:Engine: Flathead (Side Valve Engine)
Displacement: 80 cu in (1300 cc)
Carburetor: Linkert carburetor
Ignition system: points, manually controlled via the left grip at the handle bar
Exhaust: 2 in 1 Damper: Fishtail (original)
Rolling Stuff:Frame: Rigid Frame from 1946
Front End: Inline Springer Fork with friction damper
Tank: original, 3.5 gal. Big Flat tank with tank shifting
Wheels front/rear: AVON 5,00-16 on 3,5 "x16 "wheel rims with original star hubs
Brake rear: Drum brake operated by a linkage
Brake front: Drum brake operated by a Bowden cable
Handlebar: "Standard "- bar with throttle on the right and ignition control on the left hand side
Gearbox Data:Gear box: Original 4 shift gear box, handshifted via shifting lever guided by a tank column.
Primary Drive: original torque damper driving a duplex chain
Clutch: Dry (but free of rattling noise!)
Other Items:Seat: Solo saddle or alternatively Buddyseat (CLOSE friends only!)
Tachometer: original, indicating km/h (HD-export version)
Electrical system: 12Volt generator, regulator by Wolfgang Osterhaus, ignition cables from Nology
The Linkert carburetor had the wrong venturi for the 1300cc engine installed. I even could not get the correct part from the USA. An old master in a machine shop, who still had a "sense " for such an old rubbish, made the venturi after a drawing I prepared. I am sure the final product did not look different than the original part. With this venturi installed the engine started after the 3rd Kick and ran from then on without problems. Taking that motorcycle for a ride is something special, even after years of ownership. Getting used to foot clutch and tank shifting is relatively easy done - practicing helps a lot!. Often I have the impression, that the Flathead engine has more power than just for pulling me around. So I hope that one day I will be able to find a sidecar in a reasonable shape and make a big rig out of it.
I learnt a lot during this restoration and if someone is willing to spend a lot of time and money with this outdated technology and has the space and the tools to disassemble such a motorcycle I would advise him to own and restore such a motorcycle. Because not only "old Indians never die"!!