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Cross - Motocross · 2025

85 SX 19-16

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2025 KTM 85 SX 19-16 Technical Analysis & Specification Breakdown

At the heart of the 2025 KTM 85 SX 19-16 cross - motocross motorcycle, KTM pairs a 84.9 cc (5.2 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 47.0 x 40.8 mm (1.9 x 1.6 inches).

On the scales, the 85 SX 19-16 measures 69 kg (152 lbs) dry. Rider ergonomics and chassis geometry center around a 871 mm (34.3 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,282 mm (50.5 in) wheelbase engineered for quick, flickable steering geometry. The 54-liter (14.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's KTM archive, this model family spans 17 indexed model years from 2007 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Standover Height
871 mm (34.3 in)
Engine
Displacement 84.9 ccm (5.18 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Reed intake.
Bore x Stroke 47.0 x 40.8 mm (1.9 x 1.6 inches)
Fuel System Carburettor. Keihin PWK 28
Ignition MEDJ digital EMS
Lubrication Mixture oil lubrication
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Clutch Wet, multi-disc clutch, Formula hydraulics
Driveline 428 non-sealed chain
Chassis
Frame Type Central double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.
Rake 24.0°
Front Suspension XACT 43 WP Upside-Down fork, Ø 43 mm
Front Travel 278 mm (10.9 inches)
Rear Suspension XACT WP PDS mono shock
Rear Travel 289 mm (11.4 inches)
Wheelbase 1282 mm (50.5 inches)
Ground Clearance 333 mm (13.1 inches)
Wheels & Brakes
Front Tyre 70/100-19
Rear Tyre 90/100-16
Front Brakes Single disc
Front Brake Ø 240 mm (9.4 inches)
Rear Brakes Single disc
Rear Brake Ø 220 mm (8.7 inches)
Wheels Wire spoked
Dimensions & Weight
Dry Weight 69.0 kg (152.1 pounds)
Seat Height 871 mm (34.3 inches) If adjustable, lowest setting.
Fuel Capacity 54.00 litres (14.27 US gallons)
Other
Starter Kick
Color Options Orange/black/grey
More from KTM
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🌲
Best For
Off-Road & Adventure
📏
Seat Height
87.1 cm / 34.3 in
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