KTM 85 SX Specs (Top Speed | Horsepower | Weight)

The KTM 85 SX motorcycle specifications include a 84.9 cc (5.18 cu in) engine, a 6-speed gearbox, and a listed weight of 72 kg (158.7 lb).

Key specifications

2003, 2004, 2006, 2019Model years
85 ccDisplacement
72 kgDry weight
1,290 mmWheelbase
Model years covered
2003200420062019
Year-specific specification changes

The 2003 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Dry weight
2004201968 kg (149.9 lb)
Fuel system
2006Carburettor. Keihin PWK 28
Wheelbase
20041,278 mm (50.3 inches)

How the KTM 85 SX 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.

Displacement85 cc
Low 49 ccAverage 444 ccHigh 1,301 cc

About 81% lower than the KTM database average. Around the 10th 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.

Displacement10th

85 cc — larger displacement than about 10% of KTM models.

Mechanical overview

Engine layout snapshot

Single cylinder, two-stroke • 85 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,290 mm
6-speed • 70/100-17 front / 90/100-14 rear

Additional useful specifications

Front tire size 70/100-17
Rear tire size 90/100-14
Front tire width 70 mm
Front tire aspect ratio 100%
Front rim diameter 17 in
Rear tire width 90 mm
Rear tire aspect ratio 100%
Rear rim diameter 14 in
Bore/stroke ratio 0.96:1 (Undersquare)

Model information

Category Prototype / concept model

Engine specifications

Engine type Single cylinder, two-stroke
Displacement 84.9 cc (5.18 cu in)
Bore × stroke 47.0 x 49 mm (1.9 x 1.9 inches)
Cooling system Liquid
Fuel system Carburettor

Transmission and drivetrain

Gearbox 6-speed

Chassis and suspension

Front wheel travel 275 mm (10.8 inches)
Rear wheel travel 300 mm (11.8 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 70/100-17
Rear tire 90/100-14

Dimensions and weight

Dry weight 72 kg (158.7 lb)
Wheelbase 1,290 mm (50.8 inches)

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.