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2003–2008 · Sport Tourer · Buyer's Guide
The Lightweight Back-Road Twin
The heart of the second-generation SV 650S is a liquid-cooled, fuel-injected 90° V-twin of 645 cc. It makes 71 hp at 8,800 rpm and 47 lb-ft at 7,200 rpm. The whole bike weighs 373 lb (169 kg) dry. Here's the formula: modest numbers in a light, compact package on 17-inch wheels, with a fairing and clip-on bars that give the S its sportier stance. Suzuki doesn't dress it up with electronics. You get adjustable suspension at both ends, a 6-speed gearbox, chain drive and ABS as an option. Simple and honest.
In the sport-touring field, this one sits firmly at the lightweight end. It doesn't win on horsepower, and it isn't trying to. The hardware points to tight, winding roads, where low mass, a 56.5 in (1,435 mm) wheelbase and a 31.5 in (800 mm) seat height count for more than a big peak figure. With a 4.5 gal (17 L) tank, day rides are realistic. That points to a rider who values control over drama: someone stepping up to a bigger bike, or a seasoned rider who'd rather work a road than overpower it. Reliability and low running costs are among its strongest suits. Classic Suzuki!
Spec sheets don't ride bikes, but they set the baseline.
| Power | 71 hp (52 kW) @ 8,800 rpm |
|---|---|
| Torque | 47 lb-ft (64 Nm) @ 7,200 rpm |
| Displacement | 645 cc650cc Motorcycles → |
| Engine | 90° V-twinMotorcycles With V-Twin Engines → |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Telescopic |
| Front brake | 290 mm |
| Front tire | 120/60-17 |
| Rear tire | 160/60-17 |
| Wheelbase | 56.5 in (1435 mm) |
| Seat height | 31.5 in (800 mm) |
| Dry weight | 373 lb (169 kg) |
| Fuel capacity | 4.5 gal (17 L) |
| Top speed | 123 mph (198 km/h) |
Equipment check
Chassis
Safety
This is the picture that forms after years of listening to riders rather than reading spec sheets: the threads owners fill in over time, the talk that happens in paddocks and parking lots, and the notes riders send me directly. For the SV650S that chatter lands in nearly the same place every time, and it starts with the motor.
The V-twin carries the conversation. Riders single out the eager top-end rush and the broad, torquey pull down low, and they keep circling back to the exhaust note, which reads far richer than the price would suggest. The praise around it stays steady: quick, trustworthy handling on a twisty road, a motor that shrugs off big mileage, and low costs to keep one on the road. Newer and experienced hands tend to agree on all three.
The complaints are just as consistent. Suspension draws the most, with riders noting only preload adjustment at either end, choppy behavior over rough surfaces, and a tendency to bottom out when pushed hard. A smaller group flags finishes that corrode through a wet winter, furring on the casings and paint that peels. Others mention how little equipment the bike carries by today's standards, and a few new owners get unnerved by mechanical chuffing at idle that seasoned owners just ignore.
Fuel tank cracking and leakage (California models recall)
On California-specification models, vibration stress can crack the liquid/vapor separator bracket weld inside the tank, causing a fuel leak and fire hazard. A full recall was issued in 2006 covering 2003–2006 models.
Oil starvation during prolonged wheelies
The front cylinder is susceptible to oil starvation during extended wheelies, potentially causing accelerated wear or seizure. This is a known risk, not a design flaw for normal use.
Front cylinder spark plug well water ingress (SV325 problem)
Water can drain into the front cylinder's spark plug recess during wet weather, shorting the plug and causing the engine to run on one cylinder. A longer spark plug cap or fender extender often cures it.
Electrical gremlins from wiring loom chafing
The wiring harness can chafe against the seat mounting screws or frame, leading to erratic running, shorts, or even a no-start condition. Inspecting and re-routing the loom is a common first task.
Where this Suzuki SV 650S pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Top speed
Seat height
Forget spec-sheet bragging. Here's who the SV 650S is actually built for.
For skill work on the Dragon and the Cherohala, this is your best fit here: light, compact and accessible, so the focus stays on technique instead of managing mass. That's exactly the point.
Made for Tail of the Dragon · Back of the Dragon · Blue Ridge Parkway
A decent fit for escaping LA traffic to the canyons: light, accessible and cheap to run. If outright performance is your benchmark, though, 71 hp is a modest number.
Made for Angeles Crest Highway · Coronado Trail Scenic Byway · Big Sur Coast Highway
On paper it handles Blue Ridge day loops well, though clip-ons and 71 hp point to 200-mile days more than 400-mile ones. A solid fit, not a perfect one.
Made for Black Hills · Blue Ridge Parkway · Cherohala Skyway
If you're cross-shopping the older generation, here's what changed.
Previous generation · 1999–2002
Light, Honest, Surprisingly Fast
Compare to the previous model →If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
