14 August. Friday 2026
GAS GAS Gas Mc 85 17 14 - 2026 Specifications and Reviews
The GAS GAS MC 85 17-14 is a lightweight two-stroke motocross bike designed for young intermediate riders transitioning to larger machines. Known for its responsive handling and strong mid-range torque delivery, it excels in competitive youth racing with its liquid-cooled engine and advanced digital ignition system. The bike's aggressive geometry and quality suspension make it ideal for developing technique on technical terrain.
2026
General information | |
| Color Options | Red/white |
| Category | Cross / motocross |
| Year | 2025 |
| Model | GAS GAS MC 85 17-14 |
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 49.0 mm (1.9 x 1.9 inches) |
| Max Torque | 85.0 Nm (8.7 kgf-m or 62.7 ft.lbs) @ 2025 RPM |
| Engine Type | Single cylinder, two-stroke |
| Capacity: | 84.9 ccm (5.18 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 5.40 litres (1.43 US gallons) |
| Wheelbase | 1282 mm (50.5 inches) |
| Ground Clearance | 308 mm (12.1 inches) |
| Seat Height | 845 mm (33.3 inches) If adjustable, lowest setting. |
| Dry Weight | 68.0 kg (149.9 pounds) |
| | |
GAS GAS Gas Mc 85 17 14 dimensions and frame | |
| Wheels | 1.40 x 17´; 1.60 x 14´ |
| Rear Brakes | Single disc |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Single disc |
| Rear Tyre | 90/100-14 |
| Front Tyre | 70/100-17 |
| 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, 43 mm |
| Frame | Central-tube with double-cradle. |
| | |
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) | 26.5° |
| Exhaust system | Aluminium |
| Driveline | 428, Non-sealed chain. Primary drive: 20:64. Final: 13:46. |
Performance Profile & Rider Fit
Best For
Track20%
City5%
Cornering60%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a small-wheel youth motocross machine built specifically for young, developing riders progressing through the ranks, not for adults or beginners of any age. |
| Purpose | It exists purely for competitive youth motocross and off-road track riding, delivering race-tuned two-stroke performance in a scaled-down chassis. |
| Rider Fit | Sized for a young rider's body with an 845mm seat height and a feather-light 68kg dry weight, it demands a compact, athletic build typical of pre-teen racers rather than full-size adults. |
| Character | Sharp, high-revving, and eager, this two-stroke rewards aggressive clutch and throttle control with explosive light-bike agility on motocross tracks. |
| Not Ideal For | It is not suitable for adult riders, road use, touring, passengers, or anyone seeking a low-maintenance, easygoing bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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