KTM 85 SX 19-16 - 2009 Specifications and Reviews

The 2009 KTM 85 SX 19/16 is a lightweight minibike engineered for young riders transitioning to competitive motocross. Powered by a nimble 85cc two-stroke engine with liquid cooling and hydraulic clutch, it delivers responsive handling and agile performance on closed courses. Known for its solid build quality and racing pedigree, this model excels in youth motocross competition and training.

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General information

CategoryMinibike, cross
Year2009
ModelKTM 85 SX 19/16
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch, operated hydraulically
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMixture 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 monoshock PDS
Front suspension travel280 mm (11.0 inches)
Front suspensionWP USD
Rake (fork angle)24.0°
Frame typeDouble grinded central double-cradle-type frame. Aluminium subframe.
 
 

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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