KTM 690 SMC R Buyer's Guide

The Machine's Character

This is KTM's factory supermoto in its purest street form. The 690cc LC4 single, shared with the Enduro R, makes a real 67 hp and hangs in a steel trellis frame wrapped in almost no bodywork. KTM kept the 17-inch wheels, the upside-down fork, and the long-travel chassis, then pointed all of it at asphalt. The result sits at the sharp end of the class: a tall, narrow, single-cylinder slasher built to attack a backroad rather than smooth one over. Nothing about it is tuned for harmony. It is tuned for the rider who wants the road in high definition.

Ride it the way it wants to be ridden and it rewards you with handling that feels read off your mind before your hands move. It drops into corners with almost no effort and carries lean most bikes never reach. That focus is also the catch. At 35.0 in (890 mm) the seat shuts out a lot of riders, the single buzzes hard at a steady cruise, and the 3.2 gal (12 L) tank keeps you honest about distance. This is a bike for short, spirited blasts on twisty roads, owned by someone who treats valve checks and a few known watch points as part of the deal.

Hard Numbers

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

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Key specifications
Power	67 hp (49 kW) @ 7,500 rpm
Torque	50 lb-ft (68 Nm) @ 6,000 rpm
Displacement	690 cc
Engine	Single-cylinder
Cooling	Liquid-cooled
Gearbox	6-speed
Final drive	Chain
Fork	Upside-down (USD)
Front tire	120/70-17
Rear tire	160/60-17
Ground clearance	10.2 in (260 mm)
Front travel	7.9 in (200 mm)
Rear travel	7.9 in (200 mm)
Seat height	35.0 in (890 mm)
Fuel capacity	3.2 gal (12 L)

Equipment check

Chassis

Front Suspension Adjustable Standard
Rear Suspension Adjustable Standard

Drivetrain

Slipper Clutch Standard

Safety

ABS Standard

Known issues

Clutch slave cylinder leak

drivetrain occasional

Some owners report leaking at the clutch slave cylinder, leading to loss of clutch function. Aftermarket replacements are common.
Rocker arm bearing failure

engine occasional

The needle bearings in the rocker arms can fail, potentially causing catastrophic engine damage. Many owners replace them preventatively at valve checks.
Fuel pump and filter clogging

fuel system occasional

The in-tank fuel pump can overheat and fail, especially when the filter gets clogged. Symptoms include stalling and difficult starting.
Weak rear subframe

chassis rare

The plastic subframe/fuel tank can crack under heavy loads or from stress, especially when carrying luggage.