GAS GAS MC 85 17-14 - 2023 Specifications and Reviews

The 2023 GAS GAS MC 85 17-14 is a competition-focused motocross bike engineered for junior riders transitioning to larger machinery. Powered by a liquid-cooled 85cc two-stroke engine with digital ignition and a six-speed gearbox, it delivers responsive performance and precise handling. This model is best known for its aggressive geometry and reliability in youth motocross racing.

2023
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General information

CategoryCross / motocross
Year2023
ModelGAS GAS MC 85 17-14
 
 

Engine and Transmission Specifications

Driveline1/2 x 5/16´ chain
ClutchWet, multi-disc clutch, Formula hydraulics
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionMEDJ digital EMS
Fuel systemCarburettor
Bore x Stroke47.0 x 49.0 mm (1.9 x 1.9 inches)
Engine typeSingle cylinder, two-stroke
Capacity:84.9 ccm (5.18 cubic inches)

Brakes, suspension, Frame and wheels

WheelsMaxxis tyres. Aluminium rims.
Rear brakesSingle disc
Diameter240 mm (9.4 inches)
Front brakesSingle disc
Rear tire2.15-14
Front tire1.6-17
Rear wheel travel305 mm (12.0 inches)
Rear SuspensionXACT WP mono shock
Front wheel travel278 mm (10.9 inches)
Front SuspensionXACT 43 WP Upside-Down fork, Ø 43 mm
Rake (fork angle)24.0°
Frame typeCentral-tube with double-cradle

Physical measures and capacities

Fuel capacity5.20 litres (1.37 US gallons)
Wheelbase1137 mm (44.8 inches)
Ground clearance336 mm (13.2 inches)
Seat height865 mm (34.1 inches) If adjustable, lowest setting.
Dry weight67.0 kg (147.7 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterKick
Color optionsRed/white

Performance Profile & Rider Fit

Best For

Track20%
City5%
Cornering90%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a competition minicycle built specifically for young, developing riders progressing through motocross, not for adults or beginners of any age.
PurposeIt exists purely for motocross racing and track practice, giving a young rider a genuine race-spec platform to develop skill on jumps and berms.
Rider FitDesigned around a small, lightweight rider's body, with a low-mass chassis and seat height suited to youth-sized riders rather than adults.
CharacterSharp, light, and eager to change direction, it rewards active riding and aggressive throttle-clutch control typical of a peaky two-stroke engine.
Not Ideal ForIt is not suitable for adult riders, road use, commuting, touring, or carrying a passenger.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2023 GAS GAS MC 85 17-14 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 865mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2023 GAS GAS MC 85 17-14, 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 GAS GAS MC 85 17-14 is a powerful and reliable dirt bike that is perfect for riders of all skill levels. Whether you're a beginner looking to improve your off-road skills or a seasoned pro in need of a trustworthy ride, this bike delivers exceptional performance on the trails. With its 85cc engine and 17-14 inch wheel combination, this dirt bike offers a perfect balance of power, control, and maneuverability. The sturdy frame and quality components make this bike a top choice for anyone seeking an exciting and dependable off-road experience. In addition to its impressive performance, the 2023 GAS GAS MC 85 17-14 also boasts a sleek and modern design that is sure to turn heads. The bold color scheme and eye-catching graphics make this bike stand out from the crowd, while the comfortable seating and intuitive controls ensure a smooth and enjoyable ride. Whether you're hitting the trails for a weekend adventure or competing in a high-stakes race, this dirt bike has everything you need to conquer any terrain with confidence and style.
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