Description
Highlights
Vintage Japanese Motorcycle Club ‘Best in Show’ 19/ 08/ 2012
Recently restored using new high-end parts from the USA
Road registered and built for road use with L. H gears and kickstart
One of just two known Champion Yamahas in the UK
Accompanied by a substantial collection of paperwork
Detailed spec list included belowThe Appeal
Flat track racing is not for the faint of heart. Hurtling around a dirt oval at well over a hundred miles an hour is a dangerous and highly skilled business. It takes a special sort of rider to do it, and it also takes a very special machine; motorcycles that can sustain flat-out running over rough terrain.
We’re delighted to offer this rare and beautifully prepared 1975 Champion Yamaha Flat Track Racer, frame number 40673. Following extensive restoration work, the Yamaha boasts an incredible specification and has won ‘Best in Show’ at a Vintage Japanese Motorcycle Club event in August 2012. Better still, the bike is UK road-registered with an age-related plate.
The vendor provides the following:
“Champion frame kits were produced in Hayward, California, from 1968 to 1976 by Doug Schwerma. A machine of this type was famously ridden by Kenny Roberts Sr. during his 1973 and 1974 US Grand National title wins. This particular bike has been meticulously prepared to resemble and pay tribute to the legendary Yamaha TZ750 flat tracker that Roberts rode to victory at the 1975 Indy Mile—a race so spectacular that the bike was subsequently banned for being too fast. Finished in Roberts’ iconic colors, it retains authenticity with many components sourced directly from California. This is one of only two known Champion Yamaha 750 flat trackers in the UK, making it a rare and fitting homage to one of flat track racing’s most unforgettable moments.”
The History and Paperwork
Champion Racing Frame #40673 (1975)
1975 V5C and number plate
One of just two known Champion Yamahas known
Extensive and carefully curated history file (see gallery below)
Exempt from road tax and MOT
The Condition
Tig welded chrome-moly 4130 racing frame by Champion Racing Frames, California
Champion 750 Tank, fender, Seat, mufflers and AMA number Boards by Omar’s Dirt Racing California
Wide flat track billet fork clamps with street offset by Works Performance, California
Dunlop 19” & 18” Tyres on Morad Alloy rims
Impeccably presented and in superb overall condition
Stunning yellow paintwork with black and white striped motifs
The frame presents beautifully as do the various polished and chrome finishes
No bodywork damage apparent or reported
The seat upholstery and rubber grips/ foot pegs exhibit no notable wear
The Mechanics
644cc four-stroke parallel twin
Five-speed gearbox
Complete engine rebuild with replacement bead-blasted crankcases and cylinder head and covers sourced from Germany
Mikuni VM34 carbs with racing inlet stubs matched to head and high compression 750cc piston kit by 650 Central of California
35mm Ceriani forks
Banke Performance yokes
QR Hubs & Brakes by AA Racing
Wakula Racings Shocks
Yamaha XS 750 Big Bore Kit
Reduced width balanced crank, billet cam and high-performance valve spring kit from Heiden Tuning, Netherlands
Cut-down crankcase
Sparx single-phase alternator
Mini lithium race battery
Digital electronic ignition and power box by Boyer Bransden
Sprockets Rebel Gears (Tennessee
Grimeca master cylinders
½ mile pipes by Competition Fabrications of Dereham
Dual-spring “Dirt Tracker” race shocks by Works Perfomance, California
