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AJR/Bultaco 350 TSS

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Yamaha LC350 & YPVS Primary Gears

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Yamaha R1 1999-2003

Yamaha R1 2009

Yamaha TZ350/250 Clutch Hub/Centre

Yamaha TZ350/250 Gears/Gearbox

Yamaha WR450 Close Ratio Road Race 5 Speed

Yamaha XT660 5th Gear Pair

 

Ducati Single Racing Components

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We Manufacture a wide range of Racing Transmission Components for the Ducati Singles, having started in 1985 with a simple two gear conversion.  Whilst we take no credit for the performance of our customers machines, we do offer a transmission package which puts the Ducati owner on par with the owners of true racing machines.

 

Close ratio gear set

This comprises of Input Shaft and all other gears with an option to purchase a new output shaft.   All gears have three undercut engagement dogs for rapid and positive selection. 

 

The close ratio gear sets are available for both wide crankcase and narrow crankcase models.

We have taken the opportunity to improve the strength of all the gears as far as possible.  The input shaft is also improved by enlarging the shoulders either side of the gear to give more positive location.

 

Available With Superfinish

 

Nova Gearset ratios

1st        16 - 36       2.250:1

                                                        )    26.7%
2nd       20 - 33       1.650:1

                                                        )    20.1%

3rd        22 - 29       1.318:1

                                                        )    15.0%

4th        25 - 28       1.120:1

                                                        )    10.7%
5th        26 - 26       1.000:1  

 

Overall Reduction                             55.6%

 

Our products are all manufactured from the highest quality certificated gear steel and heat treated by certificated processors.

We can also supply new standard 3rd gear inputs which are no longer available from Ducati.

 

Narrow case version

The narrow crankcase version is more expensive due to the manufacturing costs associated with the internal engagement dogs on first and fifth output shaft gears.  To locate the bearing which supports the output shaft, adjacent to 1st gear, a separate collar is supplied with lock screws to clamp to the output shaft.  The kick start mechanism is therefore dispensed with. 

Price £940 + VAT (if applicable) & carriage

 

Image Showing Nova Ducati Single Narrow Case Gearbox
Nova Ducati Single Narrow Case Gearbox

 

Wide case version

Price £910 + VAT (if applicable) & Carriage

 

 

Image Showing Nova Ducati Single Wide Case Gearbox
Nova Ducati Single Wide Case Gearbox

 

Ducati Single Output Shaft

Wide and narrow case versions available.

 

Price £115 + VAT (if applicable) & carriage

Image Showing Nova Ducati Single Output Shaft
Nova Ducati Single Output Shaft

 

Primary Drives

Wet Clutch

The conversion comprises of a set of straight cut primary gears for 250, 350 or 450 versions and a hard anodized aluminium clutch basket which is secured by screws to the Clutch Primary Gear.

 

Primary Ratios:

250    2.46:1

350    2.07:1

450    1.88:1

 

Price £295 + VAT (if applicable) & carriage

 

Image Showing Nova Ducati Wet Clutch
Nova Ducati Wet Clutch

 

Dry Clutch

The conversion comprises of a set of straight cut primary gears, ratios as for the wet clutch version, a driving plate on which is mounted an aluminium clutch drum,  ball and needle roller bearings for support.

 

The clutch cover is machined out of billet aluminium and supplied with a foot guard.  (Two are available made from cast magnesium). 

 

The standard clutch centre, pressure plate and springs are retained.

 

It is necessary to have a longer input shaft to accommodate a dry clutch. There is no additional charge for these, if a gearbox and clutch are ordered together.

 

Price £650

Sintered Bronze Clutch Plates £105.00
Long Gearbox Shaft (Dry Clutch) £195.00

 

All prices + VAT (if applicable) & Carriage

 

Image Showing Nova Ducati Single Dry Clutch Kit
Nova Ducati Single Dry Clutch Kit
Image Showing Nova Ducati Single Dry Clutch Kit Fitted
Nova Ducati Single Dry Clutch Kit Fitted

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Nova Racing Transmissions Ltd  8 Horseshoe Yard  Crowland  PE6 0BJ  UK
Tel: 01733 210082  Email: info@novaracing.com