List of Engines

Stock engine stats, if you want to put your custom high compression boosted r6 pumping out 150 hp, make another table stuttgart

Single Cylinder Engines

Make	Model	Year	Displacement	Peak Torque	Peak Power	Weight	Power to Weight Ratio	Notes
Honda	CRF450X		449.7	33.63 lb-ft	53.03 HP	65lbs	0.82 HP/lb
Yamaha	WR450
	YZF450							ATV motor
KTM	450 SX-F	2016-20	449cc	33.7 lb-ft	53.2 HP	59lbs	0.902 HP/lb	Internal Dry-sump system 2020 Dyno Graph
Suzuki	LTR450							Air Force ran one

Two Cylinder Engines

Make	Model	Year	Displacement	Peak Torque	Peak Power	Weight	Power to Weight Ratio	Notes
Aprilia	450 SXV							York College
Briggs and Stratton	Vanguard V-Twin							Tennessee Tech
Yamaha	YZF-R3		321cc	29.6 Nm	31 kW	40 kg	0.775 kW/kg	Weight includes some factory hoses. Genesis 80FI  500    Parallel twin, used for snowmobiles

Three Cylinder Engines

Make	Model	Year	Displacement	Peak Torque	Peak Power	Weight	Power to Weight Ratio	Notes
Triumph	675 Daytona							San Jose ran this

Four Cylinder Engines

Make	Model	Year	Displacement	Peak Torque	Peak Power	Weight	Power to Weight Ratio	Notes
Honda	CBR 600F4i	2001-2006	599			~135 lbs
	CBR 600RR	2007-2008
		2009-2012
		2013-2017
Suzuki	GSXR
Yamaha	R6

Greater than Four Cylinder Engines

i think these are all custom

Make	Model	Year	Displacement	Peak Torque	Peak Power	Weight	Power to Weight Ratio	Notes

Engine