This document provides a parts catalog for EC, MC, and SM models from 2005, covering engine displacements of 125cc, 200cc, 250cc, and 300cc. These motorcycles have a strong heritage in off-road motorcycling, renowned for producing durable and competitive machines for disciplines such as Enduro, Motocross, and Supermoto. These models are characterized by their two-stroke, liquid-cooled engines, chromoly steel frames, and focus on performance and agility, making them ideal for demanding off-road use.
This comprehensive parts catalog is designed to assist owners, mechanics, and parts suppliers in accurately identifying and sourcing replacement components for the specified motorcycles. It features detailed exploded view diagrams for all engine and chassis assemblies, including the clutch, engine internals, fuel system, electrical components, wheels, suspension, and bodywork. The catalog is presented in both Spanish and English, ensuring broad accessibility. While it focuses on part identification for assembly, disassembly, and repair, it serves as an essential resource for maintaining the performance and integrity of these specialized off-road motorcycles.
Model Variant:
Enduro, Motocross, Supermoto
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
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 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
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.
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 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 Type:
6-Speed Manual Sequential Gearbox
Clutch Type:
Hydraulic Actuated Wet Multi-Plate Clutch (typical for performance off-road bikes)
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)
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.
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.
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.
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
Brand Reputation:
Gas Gas has a strong reputation within the off-road community for producing durable and competitive competition machines.
