The RCMAX46 is simply the most famous big bore engine in the world! Powerful, great rpm, very reliable! Now comes with the Custom RCMAX GT Cylinder for a big increase in output across the curve over the older Athena 46 motors!


Now shipping with our updated V2 Crankcases and V2 Ignition System: Improved internal transfer flow, updated primary compression ratio,  Japanese Oppama Ignition system with a host of benefits including reduced overall weight and finally improved finishing around 3D milling faces for an even better than our already industry leading machining.

If there are any other options you would like ie Custom anodising, please just email and request a custom paypal invoice.

Complete ready to fit package for either the LOSI 5IVE T/MINI, LOSI 2.0 5, HYBRID and HPI BAJA.


For Baja or Hybrid Fitment, its highly recommended to use our RCMAX BILLET HD GEARBOX which has been designed for proper clearnace to the back of the engine. If you use other brand gearboxes you will have to sand off the front face of the box to allow clearance.

The package includes the following:

  • 46cc Billet Reed engine (40mm Bore x 36.6mm Stroke)
  • Custom made lightweight full circle crankshaft 
  • RCMAX Custom GT Triple Exhaust Port Cylinder
  • V2 Oppama Ignition System for less weight, better spark and more reliability
  • RCMAX Reed System (made by Moto Tassanari) with 8 custom high tension carbon-fibre petals.
  • Fitted as standard with the WJ71 Big bore carb
  • RCMAX BIG BORE Exhaust System included for your choice of car.
  • Complete throttle linkage
  • V3 62mm Complete Clutch System as Standard
  • The famous RCMAX Official Hat