KTM 85 SX 19-16 - 2010 Specifications and Reviews

The 2010 KTM 85 SX 19/16 is a lightweight minibike designed for young riders transitioning to competitive motocross. Powered by an 84cc liquid-cooled two-stroke engine with a six-speed transmission, it delivers sharp acceleration and nimble handling ideal for tight tracks and developing riding skills. Known for its responsive performance and durable construction, this model remains a popular choice for junior motocross competitors.

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General information

CategoryMinibike, cross
Year2010
ModelKTM 85 SX 19/16
 
 

Engine and Transmission Specifications

Exhaust systemAluminium
ClutchWet mDouble disk clutch, operated hydraulically
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMixture oil lubrication 1:40
IgnitionMoric digital 2M1
Fuel systemCarburettor. Keihin PWK 28
Bore x stroke47.0 x 49.0 mm (1.9 x 1.9 inches)
Engine typeSingle cylinder, two-stroke
Capacity:84.90 ccm (5.18 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter200 mm (7.9 inches)
Rear brakesSingle disc
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions90/100-16
Front tyre dimensions70/100-19
Rear suspension travel300 mm (11.8 inches)
Rear suspensionWP PDS mono shock
Front suspension travel280 mm (11.0 inches)
Front suspensionWP USD 43 mm fork
Rake (fork angle)24.0°
Frame typeDouble grinded central double-cradle-type frame
 
 

Physical measures and capacities

Fuel capacity5.00 litres (1.32 gallons)
Wheelbase1,290 mm (50.8 inches)
Ground clearance415 mm (16.3 inches)
Seat height875 mm (34.4 inches) If adjustable, lowest setting.
Dry weight68.0 kg (149.9 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsOrange

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering88%
Daily Riding5%
Touring3%
Passenger0%

Rider Profile

Best ForThis is a competition-focused youth motocross bike intended for young, developing riders who already have solid off-road fundamentals, not beginners on their first bike.
PurposeBuilt purely for motocross racing and track training, with a peaky 2-stroke powerband and race-tuned suspension rather than any road or leisure use.
Rider FitIts low seat height, light overall feel, and compact chassis are tailored to smaller, lighter riders such as pre-teens and young teenagers progressing through the junior MX ranks.
CharacterSharp, lightweight, and eager to change direction, the 85 SX rewards aggressive throttle control and active riding with explosive acceleration typical of a small-bore 2-stroke.
Not Ideal ForIt is not suitable for adult riders, commuting, passengers, or anyone wanting a comfortable, road-legal, long-distance machine.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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