KTM 380 SX - 1999 Specifications and Reviews

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General information

CategoryCross / motocross
ModelKTM 380 SX
Year1999

Engine and Transmission Specifications

ClutchMultiple disc clutch in oil bath
Transmission typefinal driveChain
Cooling systemLiquid
StarterKick
IgnitionKokusan 2K-2
Fuel systemCarburettor. Keihin PWK 38
Bore x stroke78.0 x 77.0 mm (3.1 x 3.0 inches)
Stroke2
Engine typeSingle cylinder
Capacity:380.00 ccm (23.19 cubic inches)
 
 

Physical measures and capacities

Ground clearance380 mm (15.0 inches)
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight103.7 kg (228.6 pounds)

KTM 380 SX dimensions and frame

Front brakesSingle disc. 2-piston calipers
Rear suspensionWP - Monoshock
Front suspension travel300 mm (11.8 inches)
Front suspensionWhite Power Extreme 50mm.
Frame typeCrMo steel

Speed and acceleration

Color optionsMulticolored
Fuel capacity2.40 litres (0.63 gallons)

Other specs

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

Performance Profile & Rider Fit

Best For

Track60%
City10%
Cornering88%
Daily Riding8%
Touring8%
Passenger5%

Rider Profile

Best ForThis is a serious competition motocross machine best suited to experienced off-road or motocross riders, not beginners.
PurposeBuilt purely for motocross racing and aggressive off-road riding on tracks and rough terrain, not for street use.
Rider FitIts light dry weight and tall, firm suspension demand an active, fit rider who can stand, shift body weight, and absorb hard landings.
CharacterA raw, high-strung two-stroke thumper that rewards aggressive throttle control and rewards commitment through corners and jumps.
Not Ideal ForNot suitable for commuting, touring, carrying passengers, or riders seeking a comfortable, low-maintenance street bike.

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

Rider Fit Visualizer

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

Feet:

At 925mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 1999 KTM 380 SX, with a cramped knee angle of around 80 degrees and an upright 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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