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Transalp Engine Swaps: Difference between revisions

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! XL700V
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The XRV's first gear is 20% lower, second is 16% lower, third is 12% lower, fourth is 13% lower, and fifth is 12% lower.


=Engine Swap Details=
=Engine Swap Details=

Revision as of 05:40, 16 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

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
XL650V/XL700V 2.500 1.722 1.333 1.111 0.961
XR750 RD07 3.083 2.062 1.550 1.272 1.083

The XRV's first gear is 20% lower, second is 16% lower, third is 12% lower, fourth is 13% lower, and fifth is 12% lower.

Engine Swap Details

Hawk NT650

Exhaust

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

XL650V

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

Throttle Bodies

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