Target Audience:
Owners, technicians, and hobbyists seeking to maintain, repair, and optimize their 1987 Suzuki LT80 Quad Runner.
Value Proposition:
Provides essential technical data, repair procedures, and maintenance schedules critical for the longevity and performance of the LT80 model, often unavailable in other formats.
Manual Features:
Detailed diagrams, step-by-step instructions, diagnostic flowcharts, and comprehensive specifications.
Format Advantage:
Instant PDF download offers immediate access without shipping delays or costs, ideal for urgent repair needs.
Engine System:
Complete overhaul, diagnostics, specifications, and repair procedures for the 80cc 2-stroke engine.
Fuel System:
Carburetor adjustment, cleaning, fuel lines, fuel pump (if applicable), and fuel tank maintenance.
Ignition System:
Spark plug specifications, ignition timing, CDI unit, and stator/coil testing.
Exhaust System:
Muffler and pipe inspection, maintenance, and replacement.
Cooling System:
Air cooling system analysis and maintenance, heat dissipation.
Transmission System:
Automatic transmission (CVT or similar), gear reduction, lubrication, and maintenance.
Drivetrain:
Chain drive system, sprockets, adjustment, lubrication, and replacement.
Suspension System:
Front and rear suspension components, shock absorbers, springs, pivot points, and bushings.
Steering System:
Handlebar assembly, steering shaft, tie rods, kingpins, and alignment.
Braking System:
Front and rear brake mechanisms (drum or disc), brake cables/lines, levers, and adjustment.
Wheels And Tires:
Tire specifications, inflation pressures, wheel bearing maintenance, and removal/installation.
Electrical System:
Wiring diagrams, battery, lighting (headlight, taillight), kill switch, and basic electrical troubleshooting.
Frame And Bodywork:
Chassis inspection, frame integrity, plastic body panels, fenders, and seating.
Routine Maintenance:
Regular servicing, lubrication points, filter replacements, chain tensioning, and pre-ride inspections.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding charts.
Disassembly And Assembly:
Step-by-step instructions for component removal, inspection, repair, and reinstallation.
Component Overhaul:
Detailed instructions for rebuilding major components like the engine and transmission.
Specifications And Tolerances:
Precise measurements, clearances, and torque values for all critical components.
Adjustment Procedures:
Correct methods for adjusting carburetor, brakes, clutch, and chain.
Depth Level:
Comprehensive (from basic maintenance to complete engine rebuilds and advanced diagnostics).
Engine Type:
Two-stroke, single-cylinder, air-cooled
Displacement:
72 cc (approx.)
Bore X Stroke:
Not explicitly stated, but typical for the 72cc class.
Compression Ratio:
Specific values will be detailed in the manual.
Horsepower:
Estimated around 6-8 HP, specific dyno data not usually in manuals.
Torque:
Specific figures will be in the manual.
Carburetor Type:
Mikuni VM series (likely VM14 or similar), specific model detailed in manual.
Fuel Type:
Unleaded gasoline (typically 87 octane or higher)
Oil Mixture:
Pre-mix (e.g., 50:1 ratio with 2-stroke oil), confirmed in manual.
Oil Change Interval:
Manual will specify for transmission lubricant, if applicable. Engine oil is mixed with fuel.
Spark Plug Replacement:
Recommended intervals for checking and replacement will be detailed.
Air Filter Cleaning:
Frequent cleaning/replacement recommended based on operating conditions.
Chain Lubrication Tensioning:
Regular checks and adjustments are crucial for drivetrain longevity.
2 Stroke Oil Type:
High-quality 2-stroke oil meeting API TC or JASO FD/FB standards. Specific recommendation in manual.
Transmission Fluid:
Manual will specify the type and capacity for the gear reduction box.
Common Wear Items:
Carburetor clogging, worn drive chain and sprockets, weak suspension components, ignition coil failure.
Engine Performance Degradation:
Often due to carbon buildup in the exhaust port, incorrect fuel/oil mix, or worn carburetor jets.
Suspension பராமTenance:
Lubrication of pivot points and checking shock absorber performance.
