The 1935 P&M range saw only minor changes, but ones which stayed around for years. The bigger bikes had new crankcases with a bigger and well finned oil tank section, modified timing gears for quieter running and tappets for the valves. As well an external independent oil supply to the rocker box was installed.
The Model 90 Redwing had a capacity of 490cc and a compression ratio of 6.5:1. The bore and stroke was 79mm x 100mm. A Burman 4 speed 1BAP foot change gear-box was fitted. The Model 90 was a pleasant 3330lb in weight.
The Model 90 is a well behaved machine which performs quite smartly and belies the reputation of the marque as a sidecar only machine. The 500 rides delightfully and has great pulling power as well as smart acceleration.
This particular machine is owned by Mike Wigg in Western Australia.
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Copyright: Murray Barnard, Perth, Western Australia 1988
© 1996 mbarnard