The Kawasaki Triples Bible: All Road Models 1968-1980, Plus H1R and H2R Racers in Profile: Walker, Alastair: 9781845849818: Amazon.com: Books
1971 H1RA — New York City Motorcycles
wxat gp500 on X: "1970 Kawasaki H1R Dave Smith Daytona https://t.co/NkPtliLNuc" / X
Kawasaki H1R - Wikipedia
Bonhams Cars : Offered for sale by former World Champion Kork Ballington; ex-Gregg Hansford, 1971 Kawasaki 500cc H1RA Racing Motorcycle Frame no. KAF 90119 Engine no. KAE 90128