Complete ready to fit package for either a LOSI/BAJA HYBRID like our Outlaw Semi-Roller kit (recommended platform), LOSI 5IVE T, or HPI BAJA.


(LOSI 5T 2.0 Owners who choose the 110mm clutch will need to use our Billet combo chassis too convert their 2.0 to use a 1.0 engine position and purchase a 1.0 centre drivetrain to fit)

We are proud to finally release the RCMAX SUPREME Big Bore RC Engines, this is a very long term project with a design goal of moving away from using scooter parts as the rest of the industry does and engineering a truly custom made engine from the ground up! We can now guarentee that every components within the engine has been designed and manufactured for RCMAX to be the best available.

The Jewel in the crown of the Supreme range is our new custom cylinder, this has been developed over an 18 month period to achieve a wider powerband than any scooter racing cylinder can offer plus using more modern two stroke port technology to achieve more output at all rpms!

The package includes the following:

  • 70.5cc Billet Reed engine (47.6mm Bore x 39.60mm Stroke)
  • NEW RCMAX SUPREME CRANKSHAFT (designed specifically for Big bore RC not scooters)
  • NEW RCMAX SUPREME CYLINDER (Worlds First Custom big bore rc cylinder)
  • RCMAX BILLET CYLINDER HEAD
  • The exciting new V3 62mm Clutch or upgrade to the INSANE New 110mm Clutch system
  • RCMK high rpm ignition system
  • NEW RCMAX Reed System with 8 custom high tension carbon-fibre petals.
  • Walbro WJ71 Carb
  • RCMAX/CRAZY STU INTAKE SYSTEM and Billet Velocity stack included. If that Bling Show look is more important than the ulimate airflow , choose the RCMAX Billet intake system upgrade
  • RCMAX Big Bore Exhaust System- (to suit BAJA, HYBRID or LOSI)
  • RCMAX BILLET HD PULL STARTER
  • Complete throttle linkage
  • The famous RCMAX Official Hat
  • 110mm clutch Baja orders will come with a custom 110mm Bonehead 5mm Carbon chassis and our new 110mm Billet 7075 gear backplate (normal Baja backplates will not fit).
  • 110mm clutch Hybrid orders will come with a custom clutch side Billet engine mount and our new 110mm Billet 7075 gear backplate (normal Baja backplates will not fit).


For the 110mm clutch There is a little dremel work to do for fitment also to your brake mount and top tranny plate, if your not confident, please get in touch we can help.

Custom Anodising is available in all colours and even Dual Colour Splash anodising! Please just get in touch after placing an order to discuss.

RCMAX 71 SUPREME - COMPLETE PACKAGE

£1,745.00Price
FITMENT CHOICE
Intake System
Clutch System