What category is the 2025 KTM 85 SX 19-16?

The 2025 KTM 85 SX 19-16 has a Category of Cross / motocross.

What is the engine size of the 2025 KTM 85 SX 19-16?

The 2025 KTM 85 SX 19-16 has a Capacity: of 84.9 ccm (5.18 cubic inches).

How many gears does the 2025 KTM 85 SX 19-16 have?

The 2025 KTM 85 SX 19-16 has a Gearbox of 6-speed.

KTM 85 SX 19-16 - 2025 Specifications and Reviews

Name: 2025 KTM 85 SX 19-16
Brand: KTM

The 2025 KTM 85 SX 19-16 is a lightweight motocross bike engineered for young and amateur riders transitioning to competitive racing. Its nimble 84.9cc two-stroke engine delivers sharp power delivery ideal for learning track fundamentals, while the 19-inch front and 16-inch rear wheel combination enhances maneuverability on technical terrain.

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2025

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General information
Color Options	Orange/black/grey
Category	Cross / motocross
Year	2025
Model	KTM 85 SX 19-16
Engine and Transmission Specifications
Starting	Kick
Clutch	Wet, multi-disc clutch, Formula hydraulics
Final Drive	Chain (final drive)
Gearbox	6-speed
Cooling System	Liquid
Ignition	MEDJ digital EMS
Induction	Carburettor. Keihin PWK 28
Bore x Stroke	47.0 x 40.8 mm (1.9 x 1.6 inches)
Engine Details	Reed intake.
Engine Type	Single cylinder, two-stroke
Capacity:	84.9 ccm (5.18 cubic inches)

Physical measures and capacities
Fuel Capacity	54.00 litres (14.27 US gallons)
Wheelbase	1282 mm (50.5 inches)
Ground Clearance	333 mm (13.1 inches)
Seat Height	871 mm (34.3 inches) If adjustable, lowest setting.
Dry Weight	69.0 kg (152.1 pounds)
KTM 85 SX 19-16 dimensions and frame
Wheels	Wire spoked
Rear Brakes	Single disc
Brake Disc Diameter	220 mm (8.7 inches)
Front Brakes	Single disc
Rear Tyre	90/100-16
Front Tyre	70/100-19
Rear Wheel Travel	289 mm (11.4 inches)
Rear Suspension	XACT WP PDS mono shock
Front Wheel Travel	278 mm (10.9 inches)
Front Suspension	XACT 43 WP Upside-Down fork, Ã˜ 43 mm
Frame	Central double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Update specs	Report missing specs or required updates.
Rake (fork angle)	24.0Â°
Driveline	428 non-sealed chain
Lubrication system	Mixture oil lubrication

Performance Profile & Rider Fit

Best For

Track85%

City5%

Cornering88%

Daily Riding5%

Touring3%

Passenger0%

Rider Profile

Best For	This 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.
Purpose	Built 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 Fit	Its 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.
Character	Sharp, 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 For	It 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 Fit Visualizer

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Feet:

At 871mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2025 KTM 85 SX 19-16, with a cramped knee angle of around 75 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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