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Contact us on 07778 265 726 or
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The Freetech 50 UK Cup is a new race series in the UK
This has been created to to promote the development of high level 50cc racing in the UK. We allow technical freedom in almost every aspect of bike the development of the engine and chassis. You will have the freedom to design and build your own 50cc race bike or use one of the modern 50cc road bikes as a starting point like the Derbi GPR 50 and Aprilia RS 50 etc . The Freetech 50 Cup will be the place where you can have fun racing your own design of racebike amongst friends. You can use any combination of engine/chassis as long as the engine is 50cc!
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Derbi 50cc Workshop Manual 6 speed Motor
Mikuni carburettor tuning manual
I have been asked about he products in race fuel that may cause problems to the tanks on our bikes. Obviously the Ethanol in petrol will cause deterioration to plastics and polyester resins used in fibreglass manufacture. There is also MTBE (Tert-butyl methyl ether) which is also a solvent and exposure to this will create damage and distortion to the tanks. This MSDS is provided purely to give an idea of the constituents in race fuel that can be harmful. 
Damping in the Aprilia RS50 forks.
DERBI GPR 50 REPLICA Manual
How to Choose a Powerband by Eric Gorr (USA)
Settingup RS50 forks so both provide damping
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Preston & District Motorcycle Club. Round 4 Sunday 11th September 2016
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