Revision as of 19:26, 13 May 2020

General Comparison

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

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

Rather than trying to source and/or tweak carburetors, it's probably best to use one of the aftermarket EFI systems that are now on the market.

The 2003+ SV650 uses 39mm throttle bodies. The 2017 model's throttle bodies are redesigned and "slimmer", according to Wikipedia.

@@ Line 96: / Line 96: @@
 * [http://advrider.com/forums/showpost.php?p=10450413&postcount=7546 Thunder Dan's engine swap].  He put a 2003 XL650V engine into a 1988 XL600V.
+==EFI Conversion==
+Rather than trying to source and/or tweak carburetors, it's probably best to use one of the aftermarket EFI systems that are now on the market.
+===EFI Systems===
+* Megasquirt
+* Microsquirt
+===Throttle Bodies===
+The 2003+ SV650 uses 39mm throttle bodies.  The 2017 model's throttle bodies are redesigned and "slimmer", according to Wikipedia.