Segment:
High-performance off-road and motard motorcycles
Target Audience:
Gas Gas owners, service technicians, parts suppliers, restoration enthusiasts.
Competitors:
KTM EXC series, Husqvarna TE series, Yamaha WR series, Suzuki RM-Z series, Honda CRF series.
Completeness:
Marketed as 'most complete' for the specified models, providing essential part information.
Delivery:
Instant digital download, eliminating shipping costs and delays.
Primary Coverage:
Parts List and Component Identification
Secondary Coverage:
Assembly and Disassembly Order (implied by part list structure)
Page Count Estimate:
Not specified, but typically 100-300 pages for this type of manual.
Type:
Parts List Manual / Parts Catalog
Engine:
All components of the 450cc engine, including internal parts, lubrication, and cooling.
Transmission:
Gearbox components, clutch assembly, shift mechanism.
Chassis:
Frame, subframe, swingarm, linkages, footpegs, and related hardware.
Suspension:
Front forks (internal components, seals, springs), rear shock absorber, linkages.
Braking System:
Front and rear brake calipers, master cylinders, lines, rotors, pads.
Fuel System:
Carburetor (if applicable), fuel tank, fuel lines, petcock.
Exhaust System:
Exhaust headers, silencer, gaskets, springs, clamps.
Electrical System:
Ignition system components, wiring harness, lighting, switches, battery, stator, CDI unit.
Bodywork And Plastics:
Fenders, side panels, seat, fuel tank shrouds, handlebars, grips.
Wheels And Tires:
Rims, spokes, hubs, tires, inner tubes, rim locks.
Part Identification:
Detailed diagrams with exploded views for identifying every component.
Part Number Reference:
Comprehensive listing of official Gas Gas part numbers for ordering.
Assembly Guidance:
Implied by exploded diagrams, showing the correct order and orientation of parts.
Depth:
Component-level identification and part number reference, essential for maintenance and repair ordering.
Scope:
Focuses on the 'what' (parts) rather than the 'how' (detailed repair procedures).
Type:
4-stroke, single-cylinder, liquid-cooled
Displacement:
450cc (approximate, exact may vary slightly by sub-model/tuning)
Bore X Stroke:
Not specified in product information, but typical for the era might be around 95mm x 63.4mm for a 450cc engine.
Compression Ratio:
Not specified in product information.
Valvetrain:
SOHC (Single Overhead Camshaft) or DOHC (Double Overhead Camshaft) - commonly DOHC for this class, but Gas Gas varied.
Horsepower Estimate:
Typically in the range of 45-55 HP, dependent on specific model (EC/MC/SM) and tuning.
Torque Estimate:
Not specified in product information, but likely in the 40-45 lb-ft range.
Fuel Delivery:
Likely Carbureted, possibly Mikuni or Keihin, specific model dependent. EFI was rare on these models at this time.
Carburetor Size Estimate:
Typically 36-40mm for a 450cc performance off-road bike.
Type:
6-speed manual sequential gearbox
Clutch:
Wet multi-plate, hydraulically operated.
Optional Features:
N/A (Standard configuration for this model range).
Final Drive:
Chain drive (specific sprockets not detailed in product info).
Wheelbase:
Not specified in product information, but typical for the era would be around 1470-1500 mm (58-59 inches).
Seat Height:
Not specified in product information, typically high for off-road models (around 950-970 mm / 37.4-38.2 inches).
Dry Weight Estimate:
Around 110-120 kg (242-265 lbs) for off-road variants.
Wet Weight Estimate:
Not specified, but would include fluids and fuel.
Safety Ratings:
N/A (Motorcycles typically do not receive automotive safety ratings like NCAP).
Braking System Front:
Hydraulic disc brake (brand likely Brembo or Grimeca), single or dual piston caliper depending on specific model.
Braking System Rear:
Hydraulic disc brake, single piston caliper.
Frame Construction:
Chromoly steel or aluminum perimeter frame, designed for rigidity and impact resistance.
Handlebars:
Fat bars (28.6mm) with handguards for protection.
Oil Change Interval Engine:
Not specified in product information, but typically 10-20 hours of use for aggressive riding. Consult a service manual for exact specs.
Air Filter Cleaning:
Frequency depends on riding conditions, but often after every few rides or as needed.
Spark Plug Replacement:
Not specified, but typically checked every 10-20 hours and replaced as needed.
Engine Oil Type:
Not specified in product information. Typically a high-quality synthetic 10W-40 or 10W-50 motorcycle-specific oil.
Engine Oil Capacity:
Not specified in product information, likely around 1.2-1.5 liters.
Coolant Type:
Not specified. Use a reputable motorcycle coolant (e.g., ethylene glycol-based) mixed with distilled water.
Brake Fluid Type:
Not specified. Typically DOT 4 or DOT 5.1 for hydraulic systems.
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, wheel bearings, fork seals.
Electrical Reliability:
Older Gas Gas models could sometimes have minor electrical gremlins; checking connections and grounds is advisable.
Carburetor Tuning:
Proper jetting and tuning are crucial for optimal performance and longevity.
Brand Origin:
Gas Gas is a Spanish manufacturer, historically known for its strong presence in trials and enduro motorcycles.
Ec Series History:
The EC (Enduro Cross) series has a long lineage of competitive off-road machines, evolving through various engine sizes and chassis configurations.
Mc Series History:
MC (Motocross) variants would share much of the chassis but with a focus on motocross suspension and gearing.
Sm Series History:
SM (Supermoto) variants are typically converted enduro or motocross bikes fitted with smaller, street-legal wheels, tires, and suspension tuned for asphalt grip.
Manufacturing Location:
Spain
Production Period:
2006 model year.
Motorsport Achievements:
Gas Gas motorcycles have a strong history of success in FIM Enduro World Championship and various national championships. Specific 2006 450 model awards are not detailed here but the platform is competitive.
Magazine Reviews:
Period reviews would highlight the potent engine and capable chassis of the 450 models, often noting the strong competition from European brands.
Emissions Certification:
Likely compliant with relevant emissions standards for its production year and market, though specific certifications are not detailed.
