Gary Thwaites won all seven UK 1300cc classic races in 2012 on a 1007cc Seeley fitted with JSMotorsport components
There’s certainly a lot to love – but if you’re pushing the performance then vibes will be a problem.
After years of riding and racing and cracked, broken components, Jim Schmidt in the USA found that the best way to reduce those destructive shaking forces was to lighten the pistons.
So his JS Motorsport pistons are one-third lighter than stock.
Read more in June’s edition of CBG
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The Classic Bike Hub gives you news, views, features and reviews from the UK’s biggest classic motorcycle magazines. It is the essential website and app for any classic motorcycle lover. From the sump to the handlebars, we cover everything from pre-war and off-road machines all the way to modern classics. Collating content from Classic Bike Guide, The Classic MotoryCycle, Classic Motorcycle Mechanics, Old Bike Mart, Classic Racer, RealClassic and Classic Dirt Bike, there is no other place for classic bike news, archives and reference material.
