Target Audience:
Moto Guzzi 850 Eldorado owners, independent repair shops, motorcycle mechanics.
Value Proposition:
Provides essential information for maintaining and repairing the 850 Eldorado, enabling cost savings and professional-level service.
Content Emphasis:
Focuses on special aspects of the Moto Guzzi product and includes instructions for proprietary components.
Accuracy Statement:
Endeavors to ensure accuracy of information; considered a reliable source for repairs.
Engine Systems:
Complete engine overhaul, disassembly, assembly, tuning, lubrication system, fuel system, ignition system, exhaust system.
Drivetrain:
Transmission disassembly and assembly, clutch, driveshaft, final drive.
Chassis And Suspension:
Frame, front fork, rear suspension, steering.
Brakes:
Front and rear brake system repair and maintenance.
Electrical System:
Wiring diagrams, lighting, charging system, starting system, ignition troubleshooting.
Bodywork:
Body panel repair, fairings, seat, fenders.
Fuel System Detail:
Carburetor adjustment, fuel line maintenance, fuel filter service.
Ignition System Detail:
Spark plug specifications, timing adjustments, ignition coil testing, wiring troubleshooting.
Electrical System Detail:
Detailed wiring diagrams, component testing, lighting system repair, charging system diagnosis (alternator, rectifier/regulator).
Wheel And Tire:
Wheel bearing maintenance, tire pressure recommendations, spoke tension adjustment (if applicable).
Maintenance Tasks:
Routine maintenance, tune-ups, fluid changes, filter replacements, lubrication.
Repair Procedures:
Component removal and installation, major overhauls, troubleshooting diagnostics, specific repair instructions for proprietary components.
Troubleshooting Guides:
Includes diagnostic procedures for common problems, guiding technicians through fault finding.
Performance Enhancement Tips:
While primarily a repair manual, correct tuning and maintenance procedures contribute to optimal performance.
Safety Precautions:
Emphasizes the use of safety equipment and observance of safety precautions during repairs, including torque wrench usage.
Diagnostic Capabilities:
Detailed diagnostic procedures for engine, electrical, and mechanical issues, troubleshooting flowcharts.
Rebuild Scope:
Comprehensive engine and transmission disassembly and reassembly instructions, suitable for full rebuilds.
Special Tools Reference:
Manual identifies and illustrates recommended or required special Moto Guzzi tools for specific adjustments and repairs.
Proprietary Component Instructions:
Includes instructions for proprietary Moto Guzzi components, and cross-references manufacturer instructions for other parts.
Configuration:
Air-cooled, 90-degree V-twin
Displacement:
844 cc (51.5 cubic inches)
Bore X Stroke:
Approx. 83 mm x 78 mm (specifics vary slightly by sub-model within range)
Compression Ratio:
Approx. 8.4:1 (verify specific model year)
Valve Train:
Pushrod actuated overhead valves (OHV)
Horsepower:
Approx. 60-65 hp @ 6,000 rpm (estimate, actual may vary)
Torque:
Approx. 70 Nm (52 lb-ft) @ 4,000 rpm (estimate, actual may vary)
Cooling Method:
Air cooling
Carburetors:
Dual Dell'Orto VHB 30 (or similar, specific models may vary)
Fuel Type:
Unleaded gasoline (specify octane rating based on manual recommendations)
Type:
Distributor-based or electronic ignition (depending on year and specific model variation)
Type:
Wet sump with oil cooler
Oil Change:
Refer to manual for specific mileage/time intervals (typically every 3,000-5,000 km or annually).
Valve Adjustment:
Refer to manual for specific mileage/time intervals (crucial for V-twin performance).
Engine Oil Type:
Refer to manual for specific grade and capacity (e.g., SAE 20W-50 or 10W-40 often recommended).
Brake Fluid Type:
DOT 3 or DOT 4 (verify with manual based on caliper type).
Common Wear Items:
Carburetor tuning, clutch wear, valve adjustment, electrical connections, driveshaft U-joints.
Potential Reliability Points:
Properly maintained Eldorados are generally robust, but require diligent upkeep. Attention to lubrication and cooling is key.
Engine Mounting:
Vibration can lead to loosening of fasteners; regular checks are advised.
