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Classic Motorbikes

1975 Suzuki RE5

1 November, 2024

Suzuki had high hopes for its RE5 Wankel-engined bike launched in 1975. It had started looking at the Wankel engine in the mid-60s and bought the licence to the concept in 1970.
Apparently all of the big four Japanese makers experimented with the design, Yamaha even showing a rotary-engined bike at a motor show in 1972. But Suzuki was the only one of the big four to go into production. Like many others at the time, Suzuki believed that the light, compact, free-revving Wankel design would consign piston engines — with their complex, multiple, whirring valves and pistons, which (can you believe it?) had to reverse direction all the time — to history.

Croz: Straight up

8 September, 2023

During the COVID lockdown, Michael Clark had to forego lunches with motorsport celebrities but he interviewed motorcycle racer Graeme Crosby on his direct route into the Grand Prix ranks via Zoom.
“My first actual race was at Porirua on a circuit set up around the shopping centre. I was riding a little 350cc Kawasaki, an Avenger, which was a little two-stroke 350 rotary valve with something like 10hp. Suddenly, I found myself in third spot and I’m thinking this is actually pretty good. Anyway, I think I got in second spot and we only had a couple of laps to go and I overcooked a corner and ran wide. Health and safety back in those days required you to keep the crowd back, so they got a piece of rope and tied it around a 44-gallon drum, then a 10-metre gap, and another 44-gallon drum, and so on — and I went over the kerb at great speed. I still finished second — with one of those 44-gallon drums following behind in third place. Yeah, it was a bit of an experience.”