The KTM 660 LC4 Rally Factory Replica motorcycle specifications include a 654 cc (39.91 cu in) engine, a 5-speed gearbox, and a listed weight of 162 kg (357.1 lb).
Key specifications
How the KTM 660 LC4 Rally Factory 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.
About 10% taller than the KTM database average. Around the 90th percentile across KTM models.
About 355% larger than the KTM database average. Around the 99th 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.
980 mm — taller than about 90% of KTM models.
48 L — larger than about 99% of KTM fuel tanks in this database.
Dimensions compared with KTM average
Each measurement is compared with the average value across KTM models where that dimension is available.
1,510
1,436
5% above average.
980
895
10% above average.
320
304
5% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 140/90-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.27:1 (Oversquare) |
Model information
| Year released | 2003 |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 654 cc (39.91 cu in) |
| Torque | 69.5 Nm (7.1 kgf-m or 51.3 ft.lbs) @ 6,000 rpm |
| Bore × stroke | 102.0 x 80 mm (4.0 x 3.1 inches) |
| Compression ratio | 11.5:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | WP-USD 48 Multi Adjuster |
|---|---|
| Rear suspension | WP – Monoshock |
| Front wheel travel | 295 mm (11.6 inches) |
| Rear wheel travel | 320 mm (12.6 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 90/90-21 |
| Rear tire | 140/90-18 |
Dimensions and weight
| Dry weight | 162 kg (357.1 lb) |
|---|---|
| Seat height | 980 mm (38.6 inches) |
| Wheelbase | 1,510 mm (59.4 inches) |
| Ground clearance | 320 mm (12.6 inches) |
Fuel and emissions
| Fuel capacity | 48.00 L (12.68 US gal) |
|---|
Performance
| Power/weight ratio | 0.4012 hp/kg |
|---|
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.