KTM 85 SX 17-14 - 2024 Specifications and Reviews

The 2024 KTM 85 SX 17-14 is a lightweight 2-stroke motocross bike designed for young and amateur riders transitioning through competitive levels. Known for its sharp handling and responsive power delivery, it excels in both amateur racing and training environments. The bike's compact frame and manageable engine characteristics make it an ideal stepping stone in the KTM off-road development ladder.

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General information

CategoryCross / motocross
ModelKTM 85 SX 17-14
Year2024

Engine and Transmission Specifications

Driveline1/2  x  5/16 chain
ClutchWet, multi-disc clutch, Formula hydraulics
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMixture oil lubrication
IgnitionMEDJ digital EMS
Fuel systemCarburettor. Mikuni TMX
Bore x Stroke47.0 x 40.8 mm (1.9 x 1.6 inches)
Engine detailsReed intake.
Engine typeSingle cylinder, two-stroke
Capacity:84.9 ccm (5.18 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter240 mm (9.4 inches)
Front brakesSingle disc
Rear wheel travel305 mm (12.0 inches)
Rear SuspensionXACT WP PDS mono shock
Front wheel travel278 mm (10.9 inches)
Front SuspensionXACT 43 WP Upside-Down fork, Ø 43 mm
Rake (fork angle)24.0°
Frame typeCentral double-cradle-type 25CrMo4 steel
 
 

Physical measures and capacities

Fuel capacity5.20 litres (1.37 US gallons)
Seat height850 mm (33.5 inches) If adjustable, lowest setting.
Dry weight67.0 kg (147.7 pounds)
 
 

Other specs

StarterKick
Color optionsOrange/white/grey
MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

29 hp
Peak Power (est.)

Best For

Track6%
City5%
Cornering10%
Daily Riding4%
Touring2%
Passenger0%

Rider Profile

Best ForFor young or lightweight racers progressing beyond minis; demands competent throttle and clutch control to manage its peaky two-stroke power.
PurposeA dedicated youth motocross racer built for closed dirt circuits, jumps and berms - pure competition, not transport.
Rider FitTiny and feather-light with a 750mm seat, 280mm ground clearance and long-travel WP suspension; sized for smaller riders on 17/14 wheels.
CharacterSharp, revvy and aggressive - a snappy liquid-cooled two-stroke that rewards commitment with explosive acceleration and razor agility.
Not Ideal ForNot for road use, commuting, touring or passengers; no lights, kick-start only, knobby tires and race-only intent make it street-illegal.

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

Rider Fit Visualizer

2024 KTM 85 SX 17-14 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 850mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2024 KTM 85 SX 17-14, with a cramped knee angle of around 75 degrees and a slightly forward riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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