2008–2009 · Supermoto · A variant of the 690 Supermoto
Differences between the standard 690 Supermoto and the R
The Urban Knife Fighter
This generation of the KTM 690 Supermoto R puts KTM's off-road racing know-how into a road bike. The core is the liquid-cooled LC4 single: 654 cc, 63 hp and 48 lb-ft, with most of that pull low and mid-range, where a supermoto needs it. It sits in a steel trellis frame on 17-inch wheels. You get fully adjustable WP suspension at both ends and a slipper clutch from the factory. There's no ABS, no traction control and no ride modes. Your right hand and your judgment are the only rider aids, and that's the point of this bike.
On the road it feels light and compact, and it changes direction almost as soon as you think about it. There's more lean clearance than you'll ever use. It's just as good at picking through city traffic as it is on a tight mountain road. It's built for experienced riders who want a lot of fun in a small, raw package. The honest caveat is upkeep. Inspect the roller rocker arm bearings at every valve check, roughly every 6,500 mi (10,500 km). Change the fuel filter regularly and keep an eye on the connectors. Skip that and the LC4 can punish you.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 63 hp (47 kW) @ 7,500 rpm |
|---|---|
| Torque | 48 lb-ft (65 Nm) |
| Displacement | 654 cc |
| Engine | Single-cylinder |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Upside-down (USD) |
| Front brake | 320 mm |
| Front tire | 120/70-17 |
| Rear tire | 160/60-17 |
| Wheelbase | 57.5 in (1460 mm) |
| Ground clearance | 11.0 in (279 mm) |
| Front travel | 8.3 in (210 mm) |
| Rear travel | 8.3 in (210 mm) |
| Seat height | 34.4 in (875 mm) |
| Fuel capacity | 3.6 gal (13.5 L) |
| Top speed | 115 mph (185 km/h) |
| Fuel economy | 33 mpg (US) |
Equipment check
Chassis
Drivetrain
This picture comes from years of listening: paddock talk, owner chats, club nights and the messages riders send me directly. For the 2008–2009 690 Supermoto R, riders keep telling the same story. Owners love how hard it pulls and how lightly it moves, and they're just as frank about reliability, low-speed manners and comfort.
Riders consistently mention the engine first. They describe thumping torque right off idle and a front wheel that lifts with little encouragement, and they say the bike is most at home on tight, twisty roads. Many say the agile chassis makes any ride feel like a race. R owners also single out the Brembo radial brakes along with the upgraded hardware, and several feel that premium feel matches what they paid.
Reliability is the most common worry. Rocker arm bearing failures come up again and again, and some riders tell of being stranded after a clogged filter took out the fuel pump. Others point to the early fuel mapping. At low revs the throttle snaps between on and off, so slow city riding takes careful clutch work. On longer rides the thin seat padding starts to hurt. With no wind protection at all, riders find anything past legal highway speeds tiring.
Rocker arm bearing failure
The roller rocker arm bearings can disintegrate, leading to catastrophic top-end damage. Regular inspection and replacement every valve check (approx. 6,500 miles) is recommended. KTM partially acknowledged the issue for bikes with full dealer service history.
Fuel pump / fuel filter clogging
Debris in the fuel system can clog the filter, leading to fuel pump failure, hard starting, and stalling. Regular filter replacement and using clean fuel are essential.
Electrical gremlins
Intermittent starting issues and instrument cluster failures have been reported, often traced to corroded connectors or a failing voltage regulator.
Wiring loom corrosion
Water ingress around the headlight and beak area can cause corrosion in the wiring loom and connectors, leading to intermittent electrical faults, warning lights, or starting issues. Sealing and greasing connectors is advised.
Instrument cluster failure due to water ingress
Condensation forms inside the digital instrument cluster after riding in wet conditions, eventually causing display or complete failure. The clocks are not well sealed.
Output shaft oil seal leak
The output shaft oil seal can fail, causing an oil leak at the front sprocket area. Replacement of the seal is required; if caught early it’s a minor fix but can lead to oil contamination of the chain.
Where this KTM 690 Supermoto pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Seat height
Forget spec-sheet bragging. Here's who the 690 Supermoto is actually built for.
It's a great fit for weekend canyon runs. It's light, it has endless lean and it sounds right. Just know that the LA freeway stretches before and after will feel long on this bike.
Made for Angeles Crest Highway · Coronado Trail / US 191 · Highway 1 / Big Sur
It's a lot of fun on the twisty Hill Country loops. For a weekend with long straight miles between towns, though, the small tank and hard seat will have you stopping for fuel and a rest often.
Made for Austin / Texas Hill Country · Twisted Sisters · Austin / Handbuilt Motorcycle Show
Tight, technical roads are where this bike shines. It turns with almost no input and makes it easy to work on your lines. For the ride there from Atlanta or Knoxville, trailer it or plan fuel stops.
Made for Back of the Dragon · Blue Ridge Parkway · Cherohala Skyway
If you're cross-shopping the older generation, here's what changed.
Previous generation · 2005–2006
Raw Thumper, Razor Handling
Compare to the previous model →If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
