KAWASAKI 1000cc ENDURANCE RACER

"BIG BERTHA"

all the best trick stuff in 1981

Chris Waterman's Big Bertha... the twin 'sister' was Vickey

built to facilitate quick access and service during endurance racing

 this was high-technology in 1981

1981 Kawasaki 1000cc Endurance Racer.

Team Owner/Manager: Chris Waterman.

Bike’s nick name: “Big Bertha”. Spare bike: “Vickey”.

Sponsors: Kawasaki France, Kool, KVAS, Michelin, Elf, raced under EURAC banner.

Riden by: C. Berthod, J. Monnin, R. Cibille.

Victories: 1st Barcelona, 2nd Bol dor, 4th Overall in World Championship.

 

Specifications:

Engine:                         998cc, air-oil-cooled, inline, 4 stroke, 4 cylinder.

Valves:                         DOHC, 4 valves per cylinder.

Bore & Stroke:            69.4 x 66mm.

Compression Ratio:      11.5:1.

Power:                         150bhp at the rear wheel.

Carburettors:                4 x 31mm Keihin smoothbores.

Spark Plugs:                 2 per cylinder.

Transmission:                5 speed, close ratio.

Top Speed:                  298kph clocked at Bol dor.

Ignition:                        Kawasaki factory self-powering digital.

Alternator:                    Belt drive, charging 2 x 12 volt, 10 amp Batteries.

Frame:                         One-off hand made from Renold S31 tubing.

Suspension:                  Rear; Bell Crank, Koni damper.

                                    Front; 40mm, factory 500GP forks, air-over-oil with anti-dive.

Rims:                            Quick release front and rear; Dymag 3.00 x 18 front, Campagnola 4.75 x 18 rear.

Tyres:                           Michelin slicks.

Brakes:                         Full floating Brembo Gold Line calipers front and rear. 300mm front discs from OW31.

Front Lights:                 2 x Marchal 100w.

Fuel Tank:                    Aluminium with quick fillers.

Bodywork:                   Fibre Glass.

Final Drive:                   Chain 530 Regina with aluminium rear sprocket.

Restoration:                  (and now owned) by (Wicked) Wayne Deintjies.

Photos:                         Kenn Slater.