Suzuki SFV 650 Gladius (WVCX) 2009–2017: Specs & Facts

The Machine's Character

The Gladius is built around a 645 cc, liquid-cooled 90° V-twin with twin plugs per cylinder and Suzuki's dual throttle valve injection metering the air. It makes 72 hp and 46 lb-ft at 7,600 rpm, which is a middleweight's hand played straight. What defines this generation is the packaging around it: a steel trellis frame, a low seat, and controls light enough that nobody has to prove anything before the bike cooperates. It sits at the approachable end of the naked class on purpose, and it is honest about that.

It ages the way Suzukis usually do. The engine takes mileage without complaint, and what you spend goes into chains, tires, and fluids instead of surprises. Who it is for is easy: riders who want a real motorcycle for back roads on Sunday that still makes sense in Tuesday traffic, and who would rather have something dependable than something loud. The caveat is the output. It is modest, the bike never pretends otherwise, and it carries no rider aids. If your yardstick is outright speed, this is the wrong bike. If it is miles ridden, it is a good one.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power	72 hp (53 kW)
Torque	46 lb-ft (62 Nm) @ 7,600 rpm
Displacement	645 cc
Engine	90° V-twin
Cooling	Liquid-cooled
Gearbox	6-speed
Final drive	Chain
Fork	Telescopic
Front brake	290 mm
Front tire	120/70-17
Rear tire	160/60-17
Wheelbase	56.9 in (1445 mm)
Seat height	30.9 in (785 mm)
Wet weight	445 lb (202 kg)
Fuel capacity	3.8 gal (14.5 L)
Fuel economy	33 mpg (US)

Equipment check

Chassis

Front Suspension Adjustable Standard
Rear Suspension Adjustable Standard

Safety

ABS Optional

Known issues

Regulator/rectifier failure (2009‑2010 models)

electrics rare Recall

A manufacturing defect in the regulator/rectifier circuit board can cause insufficient charging current, leading to battery discharge, engine stalling and no‑start. Suzuki issued NHTSA recall 11V‑108 to replace the unit free of charge.
Fuel tank breather hose positioning (2013‑2015 models)

fuel system rare Recall

Improper routing of the fuel tank breather hose on some units could result in a fuel leak and potential fire hazard. A recall was issued to re‑route and/or replace the hose.
Valve train ticking noise

engine occasional

Some owners report a rhythmic ticking from the top end that becomes more noticeable at mid‑range RPM, often requiring valve clearance adjustment earlier than scheduled.

The Numbers Compared

Compare the technical specifications of the Suzuki SFV 650 Gladius with other bikes in its class.

Head-to-head: Suzuki SFV 650 Gladius vs. its rivals

Power

72 hp This bike 80 hp Ducati Monster 696 48 hp Honda NC700S 72 hp Kawasaki ER-6n 73 hp KTM 690 Duke

Torque

46 lb-ft This bike 51 lb-ft Ducati Monster 696 44 lb-ft Honda NC700S 49 lb-ft Kawasaki ER-6n 55 lb-ft KTM 690 Duke

Displacement

645 cc This bike 696 cc Ducati Monster 696 670 cc Honda NC700S 649 cc Kawasaki ER-6n 690 cc KTM 690 Duke

Wet weight

445 lb This bike 408 lb Ducati Monster 696 465 lb Honda NC700S 432 lb Kawasaki ER-6n

Seat height

30.9 in This bike 30.3 in Ducati Monster 696 31.1 in Honda NC700S 30.9 in Kawasaki ER-6n 32.9 in KTM 690 Duke

What's new versus the previous generation

If you're cross-shopping the older generation, here's what changed.

Previous generation · 2003–2008

Suzuki SV650 (WVBY)

Reliable, Flickable, Costs Nothing

Compare to the previous model →

Alternatives to the Suzuki SFV 650 Gladius

If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.

Any price note compares both bikes at the same age — the youngest age both have on the used market — against this Suzuki SFV 650 Gladius. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.