🏷️ Basic Information

Make:

Gas Gas

Model:

EC, MC, SM

Model Variant:

Enduro, Motocross, Supermoto

Year:

2005

Engine Codes Covered:

125cc, 200cc, 250cc, 300cc (specific internal codes not provided, but common for these displacements)

Generation Designation:

Likely representative of the 2005 model year updates for the EC/MC/SM series

👋 Introduction

Target Audience:

Gas Gas motorcycle owners, independent repair shops, and parts suppliers specializing in off-road and supermoto motorcycles.

Value Proposition:

Essential resource for accurately identifying and sourcing replacement parts for specific 2005 Gas Gas EC, MC, and SM models, crucial for maintaining performance and originality.

Visual Aid:

Features exploded view diagrams for every component, providing a clear visual representation of assembly.

Language Options:

Bilingual (Spanish/English) format enhances accessibility for a wider user base.

📋 Manual Details

Manual Type:

Parts Catalog

Coverage Scope:

Comprehensive for engine and chassis components of Gas Gas EC, MC, and SM models

Estimated Page Count:

Detailed parts catalogs can range from 200-500+ pages depending on the model complexity and number of variants.

Languages:

Spanish, English

Format Type:

Printed

📖 Manual Coverage

Engine Systems:

Clutch, Cylinder Head, Pump (likely water or oil), Reed Valve Block (Box Blades), Shift Selector Mechanism, Crankcase, Carburetor, Ignition System, Crankshaft, Tools (likely related to engine assembly/disassembly)

Chassis Systems:

Handlebars, Fuel Tank, Electrical System, Front Wheel Assembly, Plastic Bodywork, Rear Wheel Assembly, Frame, Suspension (Front and Rear), Air Filter Assembly, Swingarm, Exhaust System, Decals/Adhesives

Assembly Disassembly:

Provides exploded views for identification and ordering of all components, facilitating assembly and disassembly procedures.

Part Identification:

Explicitly designed for identifying individual part numbers and their relationships within assemblies.

Diagnostic Capability:

Indirectly supports diagnostics by allowing identification of worn or damaged parts.

Repair Information:

Focuses on parts identification for repair and replacement, not detailed repair instructions.

📊 Manual Specifications

Document Format:

Printed physical document

Print Resolution:

Professional printing with clear, legible diagrams and text. Expected high-quality reproduction of exploded views.

Binding Method:

Likely bound (stapled, perfect bound, or wire-o) for durability in a workshop environment.

Paper Quality:

Durable paper stock suitable for workshop use, resistant to grease and dirt. Likely coated or semi-gloss for image clarity.

⚙️ Engine Specifications

Engine Type:

2-Stroke, Liquid-Cooled (typical for Gas Gas EC/MC/SM models of this era)

Displacement Variants:

125cc, 200cc, 250cc, 300cc

Power Delivery:

Designed for off-road performance, emphasizing torque and responsiveness.

Fuel Delivery:

Carbureted (specific carburetor model likely Dell'Orto or Keihin, to be confirmed by detailed manual diagrams).

Ignition Type:

Electronic CDI (Capacitor Discharge Ignition)

Cooling Method:

Liquid-cooled

Lubrication Method:

Pre-mix fuel or Oil Injection system (common for 2-strokes, manual will clarify specific setup)

🔧 Transmission

Transmission Type:

6-Speed Manual Sequential Gearbox

Clutch Type:

Hydraulic Actuated Wet Multi-Plate Clutch (typical for performance off-road bikes)

📐 Dimensions

Chassis Type:

Chromoly Steel Frame (typical for Gas Gas off-road models)

Dry Weight:

Varies by model (e.g., EC 125 ~95kg, EC 300 ~105kg - precise figures require detailed manual reference)

🛡️ Safety Features

Braking System Front:

Hydraulic Disc Brakes (likely with Brembo calipers)

Braking System Rear:

Hydraulic Disc Brakes (likely with Brembo calipers)

Protective Gear Recommendation:

Although not in the manual itself, implied need for rider safety gear when working on/riding the vehicle.

💡 Technology Features

Infotainment System:

Not applicable; focused on raw performance and off-road capability.

ABS:

Not standard; ABS was not commonly fitted to off-road motorcycles of this era.

Smartphone Integration:

Not applicable.

🔧 Maintenance

Engine Oil Change:

Not applicable for 2-stroke pre-mix models; requires regular gearbox oil changes (interval dependent on usage).

Spark Plug Inspection:

Regular inspection and replacement based on riding conditions and plug condition (specifics in a full service manual).

Gearbox Oil Type:

SAE 10W/40 or 10W/50 API GL-4 or GL-5 transmission oil (specific viscosity and API rating to be confirmed by manual or oil manufacturer)

Coolant Type:

Ethylene Glycol based antifreeze/coolant mixture (e.g., Motorex, Castrol, pre-mix ratios specified in service manual)

Common Wear Items:

Clutch plates, piston rings, reeds, bearings (crankshaft, wheel, linkage), chain and sprockets, brake pads, air filter.

Electrical Connections:

Potential for corrosion on electrical connectors in off-road environments, requiring regular inspection and cleaning.

📚 Vehicle History

Brand Focus:

Gas Gas is historically renowned for its expertise in off-road motorcycle disciplines, particularly Enduro and Trials.

Series Development:

The EC (Enduro), MC (Motocross), and SM (Supermoto) lines represent Gas Gas's dedication to specialized performance segments within the off-road motorcycle market.

Manufacturing Origin:

Spain

🏆 Awards & Recognition

Brand Reputation:

Gas Gas has a strong reputation within the off-road community for producing durable and competitive competition machines.