Who Wants a 102 Horsepower 500cc Two-Stroke Kit Engine + Video

Seth Fargher
by Seth Fargher
When can we try it?!

For all the die heard Honda fans who are still bitter that the OEM never put it’s potent CR500 two-stroke engine in an ATV chassis, your day of jubilee has come. Panthera Motorsports, a Canadian engineering and manufacturing firm, has developed an electric start, 500cc two stroke engine capable of producing 102 horsepower that will bolt directly into a Honda TRX450R chassis. The PM07-18 will set you back $6080 for a version with either electric start or a kick start or an option with both electric and a kickstart can be had for $6400.

Check out a promo video for the engine below as well as a clip of an ATV on the dyno.


  • Volume/Bore/Stroke: 548cc / 94mm / 79 mm
  • Power : 102 HP / 76 KW
  • Torque: 72 lb-ft / 98 Nm
  • Weight: 72lb / 32.7 kg
  • Transmission: 6 speeds
  • Exhaust control: Piston power valve
  • Intake system: Carbon fiber reed valve
Seth Fargher
Seth Fargher

Growing up in Oregon, most of Seth's involvement in the powersports world was limited to what he saw in magazines and videos. Following a brief stint in the corporate world, Seth took a flying leap (literally) and moved to California to pursue a career in freestyle motocross. Though short lived, the opportunity immersed him in the industry and is now a well-established off-road writer.

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