KTM 65 SX - 2013 Specifications and Reviews

The 2013 KTM 65 SX is a lightweight motocross machine designed for young riders and beginners transitioning to competitive riding. Powered by a nimble 65cc two-stroke engine with a 6-speed gearbox, it delivers excellent handling and maneuverability on mixed terrain. Known for its durability and aggressive styling, the 65 SX remains a popular choice for junior motocross racing and off-road training.

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General information

CategoryCross / motocross
Year2013
ModelKTM 65 SX
 
 

Engine and Transmission Specifications

Driveline14:48. Primary drive: 23:75 straight cut spur gear.
ClutchWet multi-disc clutch / hydraulically operated
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMixture oil lubrication
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment
Bore x stroke45.0 x 40.8 mm (1.8 x 1.6 inches)
Engine detailsReed intake.
Engine typeSingle cylinder, two-stroke
Capacity:64.85 ccm (3.96 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter160 mm (6.3 inches)
Rear brakesSingle disc. Two-piston calipers.
Front brakes diameter198 mm (7.8 inches)
Front brakesSingle disc. Four-piston calipers.
Rear suspension travel185 mm (7.3 inches)
Rear suspensionWP  Suspension  3614 BAVP
Front suspension travel205 mm (8.1 inches)
Front suspensionWP  Suspension USD  35
Rake (fork angle)25.5°
Frame typeCentral tube frame of chrome molybdenum steel tubing, powder-coated

Physical measures and capacities

Fuel capacity3.50 litres (0.92 gallons)
Wheelbase1,137 mm (44.8 inches)
Ground clearance280 mm (11.0 inches)
Seat height750 mm (29.5 inches) If adjustable, lowest setting.
Dry weight55.5 kg (122.4 pounds)

Other specs

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

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering80%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a purpose-built children's motocross machine designed for young, developing riders progressing through junior competition ranks, not for adults or beginners of any age.
PurposeBuilt exclusively for motocross and off-road track racing to teach real race craft on a scaled-down, competition-grade two-stroke.
Rider FitIts tiny 53.5 kg dry weight, low 730 mm seat height, and light clutch and controls are tailored to a child's small stature and limited strength.
CharacterA snappy, high-revving two-stroke with a six-speed gearbox that rewards clutch and throttle skill, encouraging aggressive, race-focused riding.
Not Ideal ForThis is not suitable for adult riders, commuting, touring, passengers, or anyone seeking road-legal or long-distance capability.

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

Rider Fit Visualizer

2013 KTM 65 SX Rider Ergonomics Assessment

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

Feet:

At 750mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2013 KTM 65 SX, with a cramped knee angle of around 65 degrees and an upright riding position.

Data quality: measured. 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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