Transalp Engine Swaps

General Comparison

	Displacement	Torque	Horsepower	Bore x Stroke	Compression Ratio	Induction
XL600V	583cc	55 hp @ 8000 RPM	38.8 ft-lb @ 6000 RPM	75x66mm	9.2:1	2x32mm Keihin CV
NT650	647cc	56.1 hp @ 7897 RPM	43 lb-ft @ 6053 RPM	79x66mm	9.2:1	2x36mm flat slide carburetor
XR750 RD07	742cc	62 hp @ 7500 RPM	46.2 lb-ft @ 6000 RPM	81x72mm	9.0:1	2x38mm flat slide CV
XL650V	647cc	52 hp @ 7500 RPM	40 lb-ft @ 5500 RPM	79x66mm	9.2:1	2x34mm flat slide CV
XL700V	680.2cc	59.1 hp @ 7750 RPM	44.3 lb-ft @ 5500 RPM	81x66mm	10.0:1	EFI 40mm throttle bodies

Transmission Gear Ratios

	1st	2nd	3rd	4th	5th
XL600V	2.571	1.777	1.380	1.125	0.961
NT650	2.769	1.882	1.450	1.174	0.965
XR750 RD07	3.083	2.062	1.550	1.272	1.083

Engine Swap Details

Hawk NT650

Exhaust

• This post shows the difference in front exhaust port angles between the Transalp and Hawk engines.

XL650V

• Thunder Dan's engine swap. He put a 2003 XL650V engine into a 1988 XL600V.