498.76 cc (30.436 cu in) two stroke, inline triple across the frame
Bore / stroke
60 mm × 58.8 mm (2.36 in × 2.31 in)
Power
56 kW (75 hp) @ 9,000 rpm
Torque
59 N⋅m (44 lbf⋅ft)
Weight
134 kg (295 lb) (dry)
Related
Kawasaki H2R
The Kawasaki H1R was racing motorcycle manufactured by Kawasaki which competed in the 500 cc class of Grand Prix motorcycle racing. Based on the Kawasaki H1 street motorcycle, it was powered by a two stroke, three cylinder engine set across the frame. It was the first multi-cylinder two stroke racing motorcycle to be sold commercially to privateer racing teams.[1]
In 1970, Ginger Molloy finished second to Giacomo Agostini on the dominant MV Agusta in the 500 cc world championship.[2][3] Molloy scored 4 second places during the season as Kawasaki finished second in the constructors championship.[4]
In 1971, Dave Simmonds rode the HR1 to victory at the season ending Spanish Grand Prix at Jarama when Agostini sat out the race after already winning the championship.[5] It would mark Kawasaki's first victory in the premier 500 cc class.[5] Simmonds also finished second to Agostini at the Finnish Grand Prix and had third places in Holland and Italy to secure fourth place in the riders championship while Kawasaki was third in the constructors championship.[3][6]
After the 1972 season, Kawasaki finished the constructors' championship in fourth place. The best results of the year were a second place in Spain[failed verification] and a third at the East German GP.[7]
^Cathcart, Alan (2019), "Eric Offenstadt's Monocoque Triple", Classic Racer, Mortons Motorcycle Media Group Ltd, ISSN 1470-4463, But for 1970 he decided to take advantage of the arrival of the world's first multi-cylinder two stroke 500 GP customer racer, the Kawasaki H1R triple
^Ginger Molloy career statistics at MotoGP.com
^ ab"THE EX-SIDEMM (KAWASAKI FRANCE) 1974 KAWASAKI 500CC H1-RW GRAND PRIX RACING MOTORCYCLE". bonhams.com. Retrieved 7 February 2022.
^"MOTO-GP-classements 70-500".
^ abCox, Bruce (2018), "Dave Simmonds and Kawasaki's red tank racers", Classic Racer, Mortons Media Group Ltd, ISSN 1470-4463
KawasakiH1R was racing motorcycle manufactured by Kawasaki which competed in the 500 cc class of Grand Prix motorcycle racing. Based on the Kawasaki...
The Kawasaki KR500 was a racing motorcycle manufactured by Kawasaki from 1980 to 1982 for competition in the Grand Prix motorcycle racing series. The...
(2011), The Kawasaki Triples Bible: All Road Models 1968-1980, plus H1R and H2R Racers in Profile, Veloce Publishing, ISBN 9781845840754 "Kawasaki S1 250 Road...
consecutive 500cc world championship. Kawasaki began to sell the KawasakiH1R to privateer racing teams. The H1R was the first multi-cylinder two stroke...
authorities. The bike gave Kawasaki a "rebel" image, "outside the law", which played well with sport bike riders. The racing version, the H1R ridden by Ginger Molloy...
250cc Ulster Grand Prix. His best season was in 1970 when he rode a KawasakiH1R to a second-place finish behind Giacomo Agostini in the 500cc world championship...
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of the H2R was derived from the chassis used on the H1R which had been derived from the Kawasaki 250 racers and was effectively an enlargement of the...
500s taking 11 of the first 12 places in the premier class. Honda NR500 KawasakiH1R Honda RC181 Honda RC174 Yamaha YZR500 MV Agusta 500 Four "A Stroke of...
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the premier 500cc class with a KawasakiH1R. The H1R had poor road handling characteristics so, Simmonds had his H1R rebuilt around a Ken Sprayson-designed...
podium finish at the 1971 500cc West German Grand Prix when, he rode a KawasakiH1R to a third place finish behind the reigning world champion Giacomo Agostini...
Entering the first turn into the infield, Bradley lost control of his KawasakiH1R and his helmeted head hit the track. The 21-year-old college student...
his early road racing career by offering him the opportunity to race a KawasakiH1R, which led to an offer to race for the Brisbane Yamaha distributor, Annand...
Kawasaki factory racing team to compete in the AMA road racing nationals with 1963 Daytona 200 winner, Ralph White as his teammate. The KawasakiH1R was...
James Baker. Rosenberg Publishing, 2007 The Kawasaki Triples Bible: All Road Models 1968-1980, Plus H1r and H2r Racers in Profile. Alastair Walker. Veloce...
Bonneville T120 1970 28 April Bathurst Unlimited Grand Prix Ken Blake KawasakiH1R Bathurst Bi-Centenary Grand Prix Ron Toombs Henderson Matchless G50 1971...
com. Walker, Alastair (15 January 2011). The Kawasaki Triples Bible: All Road Models 1968-1980, Plus H1R and H2R Racers in Profile. Dorchester: Veloce...
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