KTM 660 Supermoto Factory Replica Specs (Top Speed | Horsepower | Weight)

The KTM 660 Supermoto Factory Replica motorcycle specifications include a 654 cc (39.91 cu in) engine, a 5-speed gearbox, and a listed weight of 114 kg (251.3 lb).

Key specifications

2003Year released
654 ccDisplacement
114 kgDry weight
915 mmSeat height
5.5 LFuel tank
1,510 mmWheelbase
290 mmGround clearance

How the KTM 660 Supermoto 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.

Displacement654 cc
Low 49 ccAverage 444 ccHigh 1,301 cc

About 47% higher than the KTM database average. Around the 81st percentile across KTM models.

Seat height915 mm
Low 607 mmAverage 895 mmHigh 992 mm

Very close to the KTM database average. Around the 48th percentile across KTM models.

Fuel capacity5.5 L
Low 2 LAverage 10.6 LHigh 23 L

About 48% smaller than the KTM database average. Around the 11th percentile across KTM models.

This model KTM database average

KTM database percentile rankings

Percentiles show where this motorcycle sits across the KTM specifications database. They are descriptive database rankings, not performance ratings.

Displacement81st

654 cc — larger displacement than about 81% of KTM models.

Seat height48th

915 mm — taller than about 48% of KTM models.

Fuel capacity11th

5.5 L — larger than about 11% 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.

Wheelbase1,510 mm
This bike

1,510

KTM avg

1,436

5% above average.

Seat height915 mm
This bike

915

KTM avg

895

Close to average.

Ground clearance290 mm
This bike

290

KTM avg

304

5% below average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 654 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,510 mmSeat 915 mmClearance 290 mm
5-speed • Chain (final drive) • 120/60-17 front / 165/55-17 rear

Additional useful specifications

Front tire size 120/60-17
Rear tire size 165/55-17
Front tire width 120 mm
Front tire aspect ratio 60%
Front rim diameter 17 in
Rear tire width 165 mm
Rear tire aspect ratio 55%
Rear rim diameter 17 in
Bore/stroke ratio 1.27:1 (Oversquare)

Model information

Year released 2003
Category Enduro / offroad

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 12.5:1
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 Super Moto Spezial
Front wheel travel 280 mm (11.0 inches)
Rear wheel travel 290 mm (11.4 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 120/60-17
Rear tire 165/55-17

Dimensions and weight

Dry weight 114 kg (251.3 lb)
Seat height 915 mm (36.0 inches)
Wheelbase 1,510 mm (59.4 inches)
Ground clearance 290 mm (11.4 inches)

Fuel and emissions

Fuel capacity 5.50 L (1.45 US gal)

Performance

Power/weight ratio 0.6316 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.