Radical Sportscars SR3 XX, Owner'S Manual, Page: 45 / 56

45 QD163-1
9.9 FLUIDS
Below is a list of all the fluids that you will need to run your SR3, including part numbers and quantities
required: Radical recommends the use of Motul engine oil.
9.10 GEAR RATIOS
Type Part Number Capacity Brand Viscosity/Type Required
Engine Oil EO0048 12L Motul 300V 15W/50 4T Factory Line 9L
Brake/Clutch Fluid BF0007 0.5L Motul Dot 4 660 Factory 1L
Gearbox Oil TO0002 1L Neo Synthetics 75W/90 1.5L
Coolant HW0009 5L Motul Inugel Optimal Pre-Mix 10.5L
Aluminium Paste AC0040 Can Tygris Aerosol N/A
Gea r R a t io P a r t Nu m b er
3.594:1 TQ0049
3.409:1 TQ0048
3.235:1 TQ0047
3.071:1 TQ0046
2.917:1 TQ0045
Ratio 3.594:1 3.409:1 3.235:1
Standard
factory
fitted ratio
3.071:1
2.917:1 2.770:1
No. Teeth/
Part No.
32
A-3R 1-20
33
A-3R 1-22
34
A-3R 1-24
35
A-3R 1-26
36
A-3R 1-28
37
A-3R 1-36
No. Teeth/
Part No.
46
A-3R 1-21
45
A-3R 1-23
44
A-3R 1-25
43
A-3R 1-27
42
A-3R 1-29
41
A-3R 1-37
Gear
No.
Teeth
(input)
No.
Teeth
(output)
Ratio
Rev drop
at
10,500
rpm
Speed in
MPH
drop
Speed in
MPH
drop
Speed in
MPH
drop
Speed in
MPH
drop
Speed in
MPH
drop
Speed in
MPH
drop
1st 13 34 2.615:1
2721.50
2228.35
1655.17
1219.70
858.26
49.61 52.30 55.10 58.05 61.13 64.36
2nd 16 31 1.938:1 66.96 70.59 74.38 78.36 82.51 86.88
3rd 19 29 1.526:1 85.00 89.61 94.42 99.46 104.74 110.29
4th 21 27 1.286:1 100.91 106.38 112.09 118.08 124.34 130.92
5th 22 25 1.136:1 114.17 120.36 126.82 133.60 140.69 148.13
6th 23 24 1.043:1 124.34 131.08 138.11 145.49 153.21 161.32
Primary reduction ratio
Rolling tyre circumference
1.596:1 (83/52)
1.901m (0.605m dia)