Fully assembled engine.
Volume/Bore/Stroke: 548cc / 94mm / 79 mm
Transmission: 6 speeds
Exhaust control: Piston power valve
Intake system: Carbon fiber reed valve
Bolt on to the TRX450R/ER chassis.
Comes with a plug and play electronic box.
Stator plugs right into the TRX450R wiring harness.