GAS GAS EC 300 Racing - 2017 Specifications and Reviews

The 2017 GAS GAS EC 300 Racing is a Spanish-engineered two-stroke enduro bike designed for competitive off-road riders seeking lightweight agility and technical trail performance. Known for its responsive handling and potent 300cc power delivery, it excels in rocky terrain and tight woodland sections. The bike's 107kg dry weight and compact dimensions make it ideal for riders prioritizing maneuverability over comfort on demanding courses.

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General information

CategoryEnduro / offroad
Year2017
ModelGAS GAS EC 300 Racing

Engine and Transmission Specifications

Exhaust systemFMF silencer
ClutchMultidisc in oil bath
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication system2-stroke-oil/fuel mixed 1:50
IgnitionHidria DC ignition
Fuel systemCarburettor. Keihin PKWS 38 mm
Bore x Stroke72.0 x 72.0 mm (2.8 x 2.8 inches)
Engine detailsDirect reed valve VForce 4
Engine typeSingle cylinder, two-stroke
Capacity:299.30 ccm (18.26 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsExcel Aluminium spoke rim
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Wave disc. Single-piston caliper.
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. Wave disc. Two-piston calipers.
Rear tyre140/80-18
Front tyre90/90-21
Rear wheel travel298 mm (11.7 inches)
Rear SuspensionAluminium swingarm. Reiger Mono shock. Spring preload, rebound and compression high/low speed.
Front wheel travel305 mm (12.0 inches)
Front SuspensionMarzocchi Shiver invertid Ø48 mm, closed cartridge.
Frame typePerimeter frame in chrome-molybdenum

Physical measures and capacities

Fuel capacity9.50 litres (2.51 gallons)
Wheelbase1,480 mm (58.3 inches)
Overall width830 mm (32.7 inches)
Overall length2,200 mm (86.6 inches)
Overall height1,260 mm (49.6 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight107.0 kg (235.9 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSpanish made bike.
StarterElectric & kick
Color optionsRed/white

Performance Profile & Rider Fit

Best For

Track30%
City15%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to expert riders who are comfortable with a light, powerful two-stroke that demands active riding and precise throttle control.
PurposeBuilt as a pure competition enduro machine for tackling technical trails, woods, and off-road racing rather than road use.
Rider FitIts tall seat height, minimal weight, and firm long-travel suspension favor fit, confident riders who can stand and maneuver the bike aggressively over rough terrain.
CharacterA sharp, explosive two-stroke enduro weapon that rewards aggressive input with exceptional agility and rapid direction changes.
Not Ideal ForNot a good fit for beginners, commuters, or anyone seeking a comfortable, low-maintenance bike for road or passenger use.

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

Rider Fit Visualizer

2017 GAS GAS EC 300 Racing Rider Ergonomics Assessment

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Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2017 GAS GAS EC 300 Racing, with a cramped knee angle of around 85 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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