720cc Stealth Performance Upgrade Kit
for Yamaha 660 Raptor

     
         
$   987.00 Send us your cylinder - Hot Rods Crank 10.5:1 (93 Octane)
$ 1325.00 Bolt ON - Hot Rods Crank 10.5:1 (93 Octane)
$ 1625.00 Send ud your cylinder - Falicon Billet Crank 12.5:1 (110 Octane)
$ 1964.00 Bolt On - Falicon Billet Crank 12.5:1 (110 Octane)
   
YFZ 720 Specifications:
Fits all Raptor 660's. Please specify model when ordering.
     
 

Engine Modifications Included:
Cylinder: Bored, honed and plated with Apticote 2000 Ceramic coating
Compression: 10.5:1 OR 12.5:1
Piston: Wiseco Piston  Xtreme coated piston
Stroke: New +4mm stroker crankshaft
 
   
 
    
Benefits:
  • Horsepower gain
  • More torque

Kit includes:

  • Includes cylinder modifications
  • Xtreme coated piston
  • New +4mm Stroker crankshaft
  • Complete top and bottom end gasket set.

Please Note - One way heavy duty clutch recommended with high compression option. Sorry we do not sell high compression clutches. Please see www.raptoroneway.com

Options:

  • Porting with seals - $450
  • Camshaft with Spring kit - $365
  • 39mm FCR twin carb kit - $1024
  • Install and blueprint - $475

Delivery: Call for turn around times/availability.


 
  Order this kit Now!!!! (click here)  

                                                                                                                                                                                                                                                                         
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  Primary communication points:
  
Telephone: 608 224 2524
Fax:   608 224 0447
Email: techsales@maxpower-engines.com
Web: http://www.maxpower-engines.com
Max Power-RPM’s Inc.
3001 Progress Road
Madison
Wisconsin, 53716, USA
 
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Telephone: +44 (0)1452 300800
Fax: +44 (0)1452 500400
Email: aptec@poeton.co.uk
Web: http://www.poetonaptec.co.uk
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Southbrook Road
Gloucester
GL4 3DN, UK