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MrB Bay

Main Jet Box Dellorto
£ 3.62 £ 4.54
( Ex Vat: £ 3.78 )
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Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB


This is our new 47 tooth MRB Race-Tour internal clutch assembly

It comes complete with:

  • 47 tooth MRB crown wheel
  • Extended MRB clutch flange
  • Deepened MRB clutch spider
  • Clutch nut
  • Clutch tab washer
  • Clutch springs
  • Clutch needle bearing x 2
  • Clutch circlip
     
Requires either our clutch plate kit or use your own

Reed more here
 Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB
  • Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB
  • Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB
  • Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB
  • Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB
  • Clutch assembly kit, 47 tooth 4, 5, 6 or 7 plate, MRB
MRB0759K
£ 381.72
Price: £ 318.10 Ex Vat
   Quantity :


 

 

1. MRB0760K Clutch kit, 5 plate for MRB clutch assemblies £ 48.23 (Ex vat price: £ 40.19)

We recommend this 5 plate clutch kit to suit our MRB Race-Tour internal clutch assembly.    This kit should work quite well...Clutch kit, 5 plate for MRB clutch assemblies Add :
 
 

2. MRB0758K Clutch assembly kit, 46 tooth 4, 5, 6 or 7 plate, MRB £ 381.72 (Ex vat price: £ 318.10)

This is our new 46 tooth MRB Race-Tour internal clutch assembly    It comes complete with:    46 tooth MRB...Clutch assembly kit, 46 tooth 4, 5, 6 or 7 plate, MRB Add :
 

 

Features

  • Light weight with hardened clutch bearing bush so improved needle roller bearings can be used.
  • Machined deeper so 4, 5 or 6 plates can be fitted and helps prevent clutch drag.
 
 

Technical

  • Made in the UK using modern heat trated steels, lightened and precision CNC machined.
  • Can be used as a MRB kit or each part can be used individually
  • Works in a standard or tuned engine
 
 

Development History

  • Mark Broadhurst designed these new Race-Tour 4, 5 or 6 plate clutch assemblys
  • Fed up with clutch slip we developed these kits
  • There was a need for a mass produced precision clutch kit that worked within a budget
  • This is a development of the original MRB external clutch kit
 
 

Reasons to Buy

  • Lightweight
  • Strong
  • Hardened
  • Precision machined
  • Adjustable lift
  • No rock
  • Easy fit
  • No packer required
  • Only two simple mods required
 
 

Tips

Works with various clutch set ups
  1. MRB 5 plate kit MRB0760K these use 5 x Surflex B plates and 4 x 1.5mm steels
  2. You can reduce the 1.5mm to 1.2mm steels for more clearance
  3. You can use 6 x Green or Red plates with 5 x 1.2mm steels
  4. Or you can use 6 x Green or Red plates with 1.2mm steels and 2 x 1.5mm (at the bottom)
     
  • Use a 3mm or 2.5mm top clutch plate
  • Always bend the tags down 20/30 degrees on the top clutch friction plate
  • Always file 1mm off the first fitted steel plate at five tags to clear fouling the pressure plate
  • Always dial gauge the crown wheel with the front drive sprocket to improve chain life
  • Always check sprocket lift and shim up to suit
  • Always fit new end plate bearings and clutch needle bearings
  • Make sure both clutch friction, steel, pressure plate fit and slide up and down freely
  • Always soak clutch plates in ST90 for 24 hours before fitting
  • Always use a clutch holding tool to tighten the clutch nut
 
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Ask a Question?

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Thomas on 25 May 2011 asked "I have a question about "Clutch assembly kit, 47 tooth 4,5 or 6 plate, MRB" Is the crown in this kit the same as this one?: MRB0675K"

MB Group, Serious Outdoors Ltd replied: Yes itsd the same

 


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