GASGAS EC 300 Factory
The GASGAS EC 300 Factory has a top speed of ~85 mph (off-road limited), produces ~38-40 hp (estimated) and weighs ~105 kg.
~38-40 hp (estimated)
Power
~35 Nm (estimated)
Torque
~105 kg
Weight
~85 mph (off-road limited)
Top Speed
Naked
Body
Video Review
What Buyers Should Know
Factory Spec Build
The EC 300 Factory edition receives premium factory-level components including upgraded suspension and exclusive finishes not found on the standard model.
Unconfirmed 2026 Data
As of mid-2025, GASGAS has not officially published full specifications for the 2026 EC 300 Factory. Data presented here is estimated based on prior model years.
Two-Stroke Enduro Heritage
The EC 300 carries on GASGAS's renowned two-stroke enduro lineage, sharing platform development with KTM and Husqvarna under the Pierer Mobility Group.
Top 10 Accessories
Curated picks for the GASGAS EC 300 Factory — owned, ridden, recommended.
Common Problems
🔥 2 CRITICALRemove cover, manually actuate valve, inspect for carbon buildup
Look for white residue below water pump housing
Check compression, inspect reed valves, ask rebuild history
Inspect fins, pressure test, check for coolant loss history
✅Pre-Purchase Checklist
Solid bike, maintenance-dependent, inspect power valve first
Full Specifications
More GASGAS EC 300 Factory Guides
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Discussion
Frequently Asked Questions
What are common problems with the GASGAS EC 300 Factory? +
Power valve seizure or sticky operation: Remove cover, manually actuate valve, inspect for carbon buildup (serious) | Coolant leaks from water pump seals: Look for white residue below water pump housing (moderate) | Top end wear from neglected rebuilds: Check compression, inspect reed valves, ask rebuild history (serious)
What is the horsepower of the GASGAS EC 300 Factory? +
The GASGAS EC 300 Factory produces ~38-40 hp (estimated), with ~35 Nm (estimated) of torque. Top speed: ~85 mph (off-road limited).
Is the GASGAS EC 300 Factory good for beginners? +
Yes — the GASGAS EC 300 Factory is a reasonable choice for new riders (38 hp is manageable), weighing 105 kg.
Is the GASGAS EC 300 Factory reliable? +
Owners report 2 critical issues to watch for on the GASGAS EC 300 Factory, notably: Power valve seizure or sticky operation (Remove cover, manually actuate valve, inspect for carbon buildup). Buy with a pre-purchase inspection.
Is the GASGAS EC 300 Factory good for daily use? +
Suited for daily dirt use.
How fast is the GASGAS EC 300 Factory? +
The GASGAS EC 300 Factory reaches a top speed of ~85 mph (off-road limited), producing 38 hp at 105 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What is the seat height of the GASGAS EC 300 Factory? +
The GASGAS EC 300 Factory has a seat height of ~37.0 in (940 mm) estimated — accessible to shorter riders (under 170 cm / 5'7" should manage flat-foot or near-flat-foot).
What gear should I buy for a GASGAS EC 300 Factory? +
Motoryk has curated a Top 10 gear list specifically for the GASGAS EC 300 Factory, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/gasgas/ec-300-factory/top10. Each pick is matched to this bike's spec.











