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Supermono
April 2008
We are continuing to develop a range of transmission parts for the 4 stroke motorcross engines being converted for use in supermono racing. Close ratio road race style 5 speed gear clusters have been produced for the CRF450 and YZF450 engines. Higher ratio primary gears for the CRF engine are now available.
A 6 speed gearbox for the CRF450 has successfully completed its first meeting, being placed 6th and 4th in the British Supermono Championship rounds at the Snetterton race track on 11th and 12th April.
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Direct replacement for the standard gears utilises the input and output shafts and all bushes, washers and circlips.
All gears have three undercut engagement dogs for rapid gear changing and positive retention.
GEAR RATIO'S
NOVA RACE GEARSET PERCENTAGE DROP HONDA KIT BOX
1ST Standard Gear - 32 2.666:1
) 20% 27.3%
2ND 15 - 32 2.133:1
) 14% 16.8%
3RD 18 - 33 1.833:1
) 11% 12.5%
4TH 19 - 31 1.631:1
) 8% 10.5%
5TH 20 - 30 1.5:1
) 6% 7.5%
6TH 22 - 31 1.409:1
OVERALL REDUCTION 47% OVERALL 56.25%
Price £900 per set + vat & carriage
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Direct replacement for the standard gears utilises the input and output shafts and all bushes, washers and circlips.
All gears have three undercut engagement dogs for rapid gear changing and positive retention.
GEAR RATIO'S
NOVA RACE GEARSET PERCENTAGE DROP
1ST Standard 12 - 30 2.5:1
) 17.3%
2ND 15 - 31 2.067:1
) 15.3%
3RD 16 - 28 1.75:1
) 11.1%
4TH 18 - 28 1.555:1
) 9.4%
5TH 22 - 31 1.409:1
) 7.7%
6TH 20 - 26 1.3:1
OVERALL REDUCTION 48%
Price £1200 per set + vat & carriage
Optional ratios for 1st and 2nd are available at extra cost.
1st 12 - 32 2.666:1
) 20%
2nd 15-32 2.133:1
Nova Racing Transmissions Ltd 8 Horseshoe Yard Crowland PE6 0BJ UK
Tel: 01733 210082 Email: info@novaracing.com