The KTM 690 LC4 Rally Replica motorcycle specifications include a 654 cc (39.91 cu in) engine and a 6-speed gearbox.
Key specifications
How the KTM 690 LC4 Rally Replica compares
This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.
About 47% higher than the KTM database average. Around the 81st percentile across KTM models.
Very close to the KTM database average. Around the 46th percentile across KTM models.
KTM database percentile rankings
Percentiles show where this motorcycle sits across the KTM specifications database. They are descriptive database rankings, not performance ratings.
654 cc — larger displacement than about 81% of KTM models.
910 mm — taller than about 46% of KTM models.
Dimensions compared with KTM average
Each measurement is compared with the average value across KTM models where that dimension is available.
1,498
1,436
4% above average.
910
895
Close to average.
300
304
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 140/80-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.27:1 (Oversquare) |
Model information
| Year released | 2008 |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 654 cc (39.91 cu in) |
| Bore × stroke | 102.0 x 80 mm (4.0 x 3.1 inches) |
| Compression ratio | 11.8:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin THB 46 |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | Keihin |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | APTC Wet multi-disc clutch, operated hydraulically |
Chassis and suspension
| Frame | Tubular trellis steel frame (CrMo) |
|---|---|
| Front suspension | WP USD, 48 mm |
| Rear suspension | WP monoshock |
| Front wheel travel | 250 mm (9.8 inches) |
| Rear wheel travel | 250 mm (9.8 inches) |
| Rake | 27.0° |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
Dimensions and weight
| Seat height | 910 mm (35.8 inches) |
|---|---|
| Wheelbase | 1,498 mm (59.0 inches) |
| Ground clearance | 300 mm (11.8 inches) |
Other specifications
| Comments | The 690 Rally Replica will be exclusively equipped with race-proven winning technology. |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.