Radical Sportscars SR 3 SL, Owner'S Handbook Manual, Page: 33 / 44

User maintenance
33
RECOMMENDED FUEL, LUBRICANTS,
FLUIDS
FUEL: Minimum 98RON octane super
unleaded petrol. Radical recommends the
use of Shell V-Power or a similar performance-
orientated super unleaded for the best
performance and economy.
ENGINE OIL: Silkolene 15W/50
GEARBOX OIL: Neo Synthetics 75W/90 High
Performance Synthetic Gear Oil
ENGINE COOLANT MIX: 50/50 mix
water/Tetrosyl Bluecol 2 Year Anti Freeze
BRAKE/CLUTCH FLUID: AP Racing 600
Racing Brake Fluid
Lubricants, coolant and brake/clutch fluid are
available from
www.radicalsportscars.com.
TYRE CARE AND MAINTENANCE
Front tyre size: 205/50 ZR15
Rear tyre size: 245/45 R16
We recommend the use of Kumho ECSTA
V70A or Dunlop Direzza road-legal trackday
tyres for road use, or Dunlop SP Sport slick and
wet racing tyres
FOR TRACK USE ONLY .
Tyre pressures should be set to 32psi for
optimum road and track use. Tyre pressures
may be reduced to a
MINIMUM of 22psi for
more leisurely road use.
Your Radical SR3 SL should provide many years of enjoyable performance motoring. Below are instructions on
general care and everyday maintenance tasks; Radical recommends that all other maintenance, upgrade or repair
work should be carried out either at Radical’s Peterborough factory, or by a Radical-approved regional distributor.