KTM 85 SX (19/16) - 2005 Specifications and Reviews
The 2005 KTM 85 SX (19/16) is a competition-focused minibike engineered for junior motocross riders transitioning to larger machines. Its liquid-cooled two-stroke engine and professional-grade WP suspension deliver aggressive performance and precise handling on demanding terrain. Renowned for its lightweight construction and race-ready geometry, it remains a benchmark for youth off-road competition.
2005
General information | |
| Category | Minibike, cross |
| Year | 2005 |
| Model | KTM 85 SX (19/16) |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Transmission type,final drive | Chain |
| Cooling system | Liquid |
| Ignition | Moric digital 2M1 |
| Fuel system | Carburettor. Keihin PWK 28 |
| Bore x stroke | 47.0 x 49.0 mm (1.9 x 1.9 inches) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 84.90 ccm (5.18 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 216 mm (8.5 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 216 mm (8.5 inches) |
| Front brakes | Single disc |
| Rear suspension | WP PDS monoshock |
| Front suspension travel | 43 mm (1.7 inches) |
| Front suspension | WP USD |
| Trail | 81 mm (3.2 inches) |
| Rake (fork angle) | 24.0° |
| Frame type | Chromium molybdenum |
| | |
Physical measures and capacities | |
| Fuel capacity | 5.00 litres (1.32 gallons) |
| Wheelbase | 1,278 mm (50.3 inches) |
| Ground clearance | 415 mm (16.3 inches) |
| Seat height | 900 mm (35.4 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 |
Performance Profile & Rider Fit
Best For
Track60%
City5%
Cornering80%
Daily Riding5%
Touring3%
Passenger0%
Rider Profile
| Best For | This is a youth-focused competition minibike designed for young, developing riders with prior dirt bike experience rather than absolute beginners. |
| Purpose | Built purely for motocross competition and training, it exists to help junior racers develop race craft on scaled-down but genuinely capable machinery. |
| Rider Fit | Its light 68 kg dry weight and low 900 mm seat height suit smaller, younger riders rather than full-sized adults. |
| Character | It offers sharp, eager two-stroke power delivery and quick-turning agility typical of small-bore motocross bikes, rewarding an aggressive, active riding style. |
| Not Ideal For | It is not suitable for road riding, touring, commuting, or carrying a passenger, and is not sized for taller or heavier adult riders. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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