Target Audience:
Owners and mechanics of Gas Gas EC EnduroCross 200, 250, and 300 models from 2005, seeking comprehensive repair and maintenance information.
Value Proposition:
Provides professional-level diagnostic and repair procedures at a fraction of the cost of dealership service, enabling self-sufficiency in vehicle maintenance and repair.
Accessibility:
Instant download for immediate access, user-friendly for those not necessarily skilled with computers.
Main Coverage:
Mechanical, Electrical, Bodywork, Troubleshooting
Estimated Pages:
Extensive (digital format allows for variable page count based on rendering, but content equivalent to several hundred printed pages)
Type:
Digital Workshop Repair Manual
Format:
Digital (likely PDF or similar searchable document)
Engine:
Complete overhaul, diagnosis, tuning, component repair (e.g., cylinder, piston, crankshaft, carburetor, ignition system, cooling system - if applicable)
Transmission:
Clutch, gearbox operation, disassembly, assembly, lubrication, troubleshooting
Chassis:
Frame inspection and repair, suspension (forks, shock absorber), steering system, bearings
Brakes:
Hydraulic system (master cylinder, calipers, lines), disc and pad replacement, bleeding procedures, troubleshooting
Electrical System:
Wiring diagrams, component testing, lighting, ignition, charging system (if applicable), troubleshooting
Fuel System:
Carburetor identification, cleaning, tuning, fuel tank, fuel lines
Exhaust System:
Component identification, maintenance, inspection
Wheels And Tires:
Tire pressure, wheel balancing, spoke tensioning, bearing maintenance
Maintenance:
Routine checks, lubrication points, filter replacement, spark plug service, chain adjustment
Troubleshooting:
Systematic diagnosis of common and uncommon faults, diagnostic flowcharts
Repair:
Detailed step-by-step instructions for component replacement and repair
Rebuild:
Complete engine and transmission rebuilding procedures
Installation:
Component installation guidelines
Adjustment:
Carburetor, clutch, brake, suspension adjustments
Depth:
Comprehensive, covering from basic maintenance to full engine and transmission rebuilds, suitable for professional technicians and experienced DIY mechanics
Compatibility:
Microsoft Windows (95, 98, 98SE, 2000, NT, ME, XP, Vista, Windows 7) and all Mac Computers
Print Capability:
Printable pages, allowing for hard copy use
Binding:
N/A (Digital Format)
Paper Quality:
N/A (Digital Format)
Searchability:
Likely searchable text content within the digital format
Visuals:
High quality photos, illustrations, and diagrams
Engine Type:
2-Stroke, Liquid-Cooled (typical for Gas Gas EC models of this era)
Engine Variants:
196cc (EC 200), 249cc (EC 250), 294cc (EC 300)
Bore X Stroke Ec250:
Approx. 72.5 mm x 60 mm (specific figures should be confirmed in manual)
Bore X Stroke Ec300:
Approx. 73 mm x 72 mm (specific figures should be confirmed in manual)
Horsepower Ec250:
Approx. 40-45 HP (specific figures vary by tuning and model year, manual will provide precise data)
Horsepower Ec300:
Approx. 45-50 HP (specific figures vary by tuning and model year, manual will provide precise data)
Carburetor Type:
Typically Dell'Orto or Keihin, specific model and jetting detailed in manual
Fuel Type:
Unleaded gasoline with appropriate 2-stroke oil premix (ratio specified in manual)
Ignition System:
Digital electronic ignition, details on timing and components in manual
Wheelbase Ec250:
Approx. 1475 mm (specific figures vary, consult manual)
Seat Height Ec250:
Approx. 950 mm (specific figures vary, consult manual)
Dry Weight Ec250:
Approx. 100 kg (specific figures vary, consult manual)
Safety Standards:
As per European off-road motorcycle standards of the era. No formal crash ratings like cars.
Braking System:
Hydraulic disc brakes front and rear (e.g., by Braking or Grimeca components, specific details in manual).
Frame Construction:
Chromoly steel frame, known for strength and rigidity in off-road applications.
Oil Change Frequency:
Critical for 2-stroke engines. The manual will specify recommended intervals for gearbox oil changes based on operating hours or mileage.
Top End Rebuild:
The manual will provide guidance on recommended intervals for piston and ring replacement based on usage, crucial for maintaining performance and preventing catastrophic failure.
Air Filter Cleaning:
Frequent cleaning and re-oiling of the air filter are essential for 2-stroke engine longevity, especially in dusty off-road conditions. The manual will outline the procedure and recommended intervals.
Coolant:
Pre-mixed ethylene glycol coolant with corrosion inhibitors. Specific type and mixture ratio detailed in manual.
Transmission Oil:
High-quality motorcycle gear oil (e.g., SAE 75W-90 or 10W-40, manual will specify exact type and viscosity). Example: Motul Gear 300 75W-90 or similar.
Brake Fluid:
DOT 4 or DOT 5.1 hydraulic brake fluid, depending on system specification. Manual will specify the correct type.
2 Stroke Oil:
High-quality synthetic or semi-synthetic 2-stroke oil for premix or oil injection systems. Manual will recommend specific brands and viscosity (e.g., JASO FD rating).
Power Valve Operation:
Potential for carbon buildup affecting power valve function, requiring regular cleaning and inspection.
Carburetor Tuning:
Sensitivity to jetting and altitude changes, requiring meticulous tuning for optimal performance and reliability.
Suspension Seals:
Wear on fork seals and shock absorber seals can occur with hard use, requiring periodic inspection and replacement.
Manufacturer Origin:
Gas Gas is a Spanish manufacturer founded in 1985, renowned for its high-performance off-road motorcycles, particularly in trials and enduro disciplines.
Ec Line History:
The EC (EnduroCross) line has been Gas Gas's staple for competitive off-road riding, evolving significantly over the years to incorporate advancements in engine technology, suspension, and chassis design. The 2005 models represent a mature iteration of their 2-stroke enduro platform.
Manufacturing Location:
Spain
