• Displacement................................................ 3.48cc
  • Bore..............................................................16.4mm
  • Stroke...........................................................16.4mm
  • Maximum RPM............................................. 28,000rpm
  • Power........................................................... 2.1hp@28,000rpm
  • Weight........................................................... 410gr
XTM .21 - 3.48cc RACE LEGAL ENGINE
NOT THE POWER HOUSE OF THE 247 BUT IT HAS ITS
PLACE. RATED AT .5 LESS HP THAN THE 247 THE 2.1 HP
HAS ALL IT NEEDS TO BE RIGHT THERE WITH THE
COMPETITION

XTM .28 - 4.57cc 6 port Power House Pro
  • Displacement .....................................................4.57 cc        
  • Bore:...................................................................18.5 mm
  • Stroke:................................................................17 mm
  • Top RPM:.............................................................33,000 rpm
  • Power:.................................................................3.8 HP
  • Weight:................................................................425 g
A POWER HOUSE with RPM's and TORQUE, THIS MOTOR
TAKES NO PRISONERS. RATED AT 3.8 hp AND WHEN YOU HAVE
THE THROTTLE OPEN IT LETS YOU KNOW ITS NOT A TOY.
THIS APPLICATION IS AN OVER KILL TO SAY THE LEAST ON
THE
XST BUT IF YOU'VE GOT TO HAVE IT THEN HERE IT IS.
THIS ENGINE WORKS FOR MANY APPLICATIONS THAT
REQUIRE A REAR EXHAUST AND AN SG CRANKSHAFT

Copt write GRIFF's Super Shop 2007