E - MotorSport Vision Racing
E - MotorSport Vision Racing
E - MotorSport Vision Racing
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2011 MCRCB Yearbook<br />
3.30.4 Fuel tank breather pipes<br />
Non-return valves must be fitted to fuel tank breather pipes and these have<br />
to discharge into a catch tank with a minimum volume of 250cc made of a<br />
suitable material.<br />
3.30.5 Fuel and filler caps<br />
Fuel and oil filler caps, when closed, must be leak proof. Additionally, they<br />
must be securely locked to prevent accidental opening at any time.<br />
3.30.6 It is recommended that all four-stroke machines be equipped with a red light<br />
on the dashboard. This light must flash in the event of oil pressure drop.<br />
3.31 FUEL, FUEL/OIL MIXTURES<br />
3.31.1 All machines must be fuelled by unleaded petrol.<br />
3.31.2 Fuel must conform to the regulation as stated in these Technical Regulations<br />
and any Supplementary Conditions or Final Instructions issued.<br />
For information on handling and transporting fuels see section K - Safety<br />
and Guidence Notes.<br />
3.31.3 A control fuel supplied at each circuit by Sunoco fuels must be used in all<br />
British, National and Manufacturer Championship Classes including, but<br />
not limited to, the British Superbike, British Supersport, British 125GP and<br />
the National Superstock 1000 and National Superstock 600 championships.<br />
The details and cost of the fuel is given in the championship regulations.<br />
3.31.4 To ensure fuel is not illegal all fuel must comply with the following:<br />
3.31.5 Only fuel complying with MCRCB regulations is permitted. The control fuel<br />
does so comply. Failure to comply with fuel regulations will result in penalties<br />
being imposed as stated in the Judicial Procedures.<br />
3.31.6 Physical properties for unleaded petrol<br />
3.31.6.1 Unleaded petrol must comply with the FIM specification.<br />
3.31.6.2 Unleaded petrol will comply with the FIM specification if:<br />
a) It has the following characteristics:<br />
PROPERTY UNITS MIN MAX TEST METHOD<br />
RON 95.0 102.0 ISO 5164<br />
MON 85.0 90.0 ISO 5163<br />
Oxygen %m/m 2.7 ASTM D 5622<br />
ASTM D 4815 (1)<br />
Nitrogen %m/m 0.2 ASTM D 4629<br />
Benzene %v/v 1.0 EN 238<br />
RVP kPa 90.0 EN 12<br />
Lead g/l 0.005 EN 237<br />
Density at 15°c Kg/m 3 720.0 775.0 ASTM D 4052<br />
Oxidation stability minutes 360 ASTM D 525<br />
Existent gum mg/100ml 5.0 EN ISO 6246<br />
Sulphur mg/kg 10 ASTM D 5453<br />
Copper Corrosion rating C1 ISO 2160<br />
Distillation<br />
E at 70°c %v/v 22.0 50.0 ISO 3405<br />
G<br />
102
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