Target Audience:
Owners and technicians performing maintenance, repair, and diagnostics on the 1992 Suzuki LT80N Quad Runner.
Value Proposition:
Provides access to official factory data, ensuring accuracy and completeness for effective maintenance and repair, saving time and potential costly errors.
Comprehensiveness:
Full factory service manual offering exhaustive coverage for all aspects of the vehicle's maintenance and repair.
Accessibility:
Instant PDF download allows immediate access to critical repair information.
Primary Coverage:
Complete Workshop Service and Repair
Specific Systems:
Engine, Transmission, Chassis, Electrical, Fuel System, Cooling System, Exhaust System, Brakes, Steering, Suspension, Bodywork, Troubleshooting, Maintenance
Estimated Pages:
Hundreds (actual count may vary but implies comprehensive coverage)
Type:
Official Factory Service Repair Manual
Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of all engine components including the cylinder, piston, crankshaft, connecting rod, and valve train (if applicable to this model's specific engine configuration).
Fuel System:
Carburetor adjustment, cleaning, and rebuilding; fuel pump inspection and replacement; fuel tank and line maintenance.
Exhaust System:
Inspection and repair of the exhaust pipe and muffler.
Transmission Drivetrain:
Maintenance and repair of the automatic transmission (CVT type likely), drive shafts, and final drive components.
Brake System:
Brake pad/shoe inspection and replacement, brake caliper/drum service, hydraulic system checks (if applicable), and cable adjustments.
Suspension Steering:
Front and rear suspension component inspection, repair, and alignment procedures; steering column and linkage maintenance.
Electrical System:
Wiring diagrams, ignition system troubleshooting, lighting system maintenance, battery service, starter motor and charging system inspection.
Chassis Bodywork:
Frame inspection, body panel removal and installation, seat maintenance, and other chassis-related components.
Cooling System Components:
Inspection and maintenance of any cooling system components, including radiators or coolant lines if present on the LT80N.
Routine Maintenance:
Detailed procedures for oil changes, filter replacements, spark plug replacement, chain adjustment, and general inspections.
Troubleshooting:
Diagnostic guides and flowcharts for identifying and resolving common operational issues.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation for virtually all parts of the ATV.
Torque Specifications:
Precise torque values for all critical fasteners to ensure proper assembly and prevent damage.
Special Tools:
Identification of any specialized tools required for specific repair or maintenance tasks.
Depth Level:
Comprehensive rebuild and overhaul capabilities, suitable for professional mechanics and experienced DIY enthusiasts.
Format Type:
PDF (Portable Document Format)
Searchability:
Typically includes searchable text for quick access to information.
Printability:
Designed for printing, with instructions on printing specific sections or the entire manual.
Binding:
N/A (Digital Download - binding not applicable, but user can choose binding if printed).
Paper Quality:
N/A (Digital Download - paper type not applicable, but professional printing would recommend durable paper).
Engine Type:
Two-stroke, Single-cylinder
Displacement:
72 cc (Cubic Centimeters)
Bore X Stroke:
42.0 mm x 51.6 mm
Cooling Method:
Air-cooled
Compression Ratio:
6.6 : 1
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower Estimated:
Approximately 6-8 HP (This is an estimate for the class of engine; manual will provide exact if specified).
Torque Estimated:
Not commonly specified for this class of engine in marketing materials, but essential for diagnostics within the manual.
Fuel Delivery:
Carburetor
Carburetor Model:
VM12 (Specific model usually detailed in manual)
Fuel Type:
Unleaded gasoline (Minimum octane rating specified in manual)
Oil Mixture:
Pre-mix (Typically 50:1 or 20:1, detailed in manual)
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Drive System:
2WD (Two-Wheel Drive)
Gearbox Components:
Clutch assembly, variator assembly, reduction gears.
Transmission Fluid Type:
Manual will specify exact type, typically gear oil for reduction gears.
Length:
Approximately 1495 mm (58.9 in)
Width:
Approximately 840 mm (33.1 in)
Height:
Approximately 910 mm (35.8 in)
Wheelbase:
Approximately 1030 mm (40.6 in)
Ground Clearance:
Approximately 85 mm (3.3 in)
Dry Weight:
Approximately 110 kg (242.5 lbs)
Fuel Capacity:
Approximately 4.7 L (1.2 US gal)
Safety Standards:
ATV safety standards of the era, emphasis on rider training and responsible use.
Braking System:
Drum brakes front and rear.
Throttle Limiter:
Thumb throttle with a return spring for controlled acceleration, often with a limiter screw.
Lighting:
Headlight and taillight for visibility.
Engine Oil Change:
Refer to manual for specific mileage/hours; typically every few months or as recommended.
Air Filter Cleaning:
Regular inspection and cleaning, especially in dusty conditions.
Spark Plug Replacement:
As per manual recommendations, often at specific hour or mileage intervals.
Chain Lubrication Adjustment:
Frequent checks and lubrication, adjustment as per manual specs.
Engine Oil Type:
Manual will specify a specific SAE viscosity grade for 2-stroke engines, and potentially a JASO specification.
Transmission Fluid Type:
Manual will specify correct gear oil viscosity and type for the reduction gears.
Common Wear Items:
Carburetor clogging due to infrequent use, aging fuel lines, worn drive chain and sprockets, spark plug fouling (typical for 2-strokes).
Engine Performance Degradation:
Can be due to carbon buildup in the exhaust port, worn piston rings, or carburetor issues.
Manufacturer Origin:
Japan
Segment Introduction:
The LT80N was a popular entry-level youth ATV, introduced to provide a smaller, manageable option for younger riders.
Predecessors Successors:
Part of Suzuki's Quad Runner lineage, evolving from earlier models and leading to more advanced ATVs.
Production Period:
Produced throughout the late 1980s and into the 1990s, with 1992 being a specific model year.