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.



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.