KTM 85 SX 19-16 - 2021 Specifications and Reviews
The 2021 KTM 85 SX 19-16 is a lightweight motocross machine designed for young and developing riders transitioning from smaller bikes. Powered by a 85cc two-stroke engine with liquid cooling and six-speed transmission, it delivers sharp throttle response and agility on the track. Known for its competitive performance in junior motocross racing, the 85 SX combines KTM's championship pedigree with user-friendly handling and accessible power delivery.
General information | |
| Price as new | 3.1 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
| Category | Cross / motocross |
| Year | 2021 |
| Model | KTM 85 SX 19-16 |
| | |
Engine and Transmission Specifications | |
| Driveline | 1/2  x  5/16 |
| Clutch | Wet, multi-disc clutch, Formula hydraulics |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Mixture oil lubrication |
| Ignition | MEDJ digital EMS |
| Fuel system | Carburettor. Mikuni TMX |
| Bore x Stroke | 47.0 x 49.0 mm (1.9 x 1.9 inches) |
| Engine details | Reed intake. |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 84.9 ccm (5.18 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Two-piston calipers. |
| Diameter | 240 mm (9.4 inches) |
| Front brakes | Single disc. Four-piston calipers. |
| Rear wheel travel | 305 mm (12.0 inches) |
| Rear Suspension | WP Xplor PDS shock absorber |
| Front wheel travel | 278 mm (10.9 inches) |
| Front Suspension | XACT 43 WP Upside-Down fork, Ø 43 mm |
| Rake (fork angle) | 24.0° |
| Frame type | Central-tube frame with double-cradle |
Physical measures and capacities | |
| Fuel capacity | 5.20 litres (1.37 US gallons) |
| Wheelbase | 1290 mm (50.8 inches) |
| Ground clearance | 362 mm (14.3 inches) |
| Seat height | 890 mm (35.0 inches) If adjustable, lowest setting. |
| Dry weight | 68.0 kg (149.9 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | Orange/white/black |
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.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 KTM 85 SX 19-16 motorcycle is a powerful and versatile machine that is perfect for young riders looking to take their skills to the next level. With a 19-inch front and 16-inch rear wheel, this bike offers excellent handling and stability, making it ideal for both motocross and off-road riding. The 85cc engine provides plenty of power, and the six-speed transmission allows for smooth and precise shifting. The bike's sturdy construction and high-quality components make it a reliable choice for riders of all skill levels. In addition to its performance capabilities, the 2021 KTM 85 SX 19-16 also boasts a sleek and stylish design that is sure to turn heads on the track. Its vibrant orange color scheme and aggressive bodywork give it a distinct look that sets it apart from other bikes in its class. With its combination of power, handling, and style, the KTM 85 SX 19-16 is a top choice for young riders who are serious about taking their riding to the next level.Add a Comment
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