Category:
Entry-level youth/recreational ATV
Target Audience:
Beginner riders, youth, and recreational trail riding.
Competitors 1987:
Honda TRX70/125, Yamaha YFM80 Badger, Kawasaki KLT80/110
Ease Of Use:
Automatic transmission and simple operation made it accessible for younger riders.
Durability:
Known for its robust construction and reliability for its class.
Manageability:
Compact size and lightweight design contributed to its maneuverability.
Primary Coverage:
Suzuki LT80H, LT80I Quad Runner 1987
Secondary Coverage:
Potentially covers minor variations across early LT80 models within the 1987 model year.
Estimated Pages:
Likely 200-400 pages (typical for comprehensive workshop manuals of this era).
Type:
Service Repair Manual / Workshop Manual
Engine:
Detailed engine disassembly, assembly, tuning, and troubleshooting for the 2-stroke engine.
Transmission:
Coverage of the automatic transmission (CVT) operation, maintenance, and repair.
Electrical System:
Wiring diagrams, ignition system, lighting, starting system, charging system, and troubleshooting.
Fuel System:
Carburetor disassembly, cleaning, adjustment, fuel lines, and fuel tank maintenance.
Cooling System:
Air-cooling system specifics, cleaning, and inspection.
Chassis:
Frame, suspension (front and rear), steering, and related components.
Brakes:
Brake system operation, maintenance, fluid replacement, and adjustments.
Bodywork And Plastics:
Removal, installation, and basic maintenance of body panels and plastics.
Wheels And Tires:
Tire pressure, inspection, and wheel servicing.
Scheduled Maintenance:
Routine maintenance tasks, service intervals, and lubrication points.
Troubleshooting:
Diagnostic procedures for common problems and systematic fault finding.
Disassembly Assembly:
Step-by-step instructions for component removal and reinstallation.
Rebuilds:
Comprehensive guidance for engine, carburetor, and transmission rebuilds.
Adjustments:
Settings and adjustments for carburetor, brakes, and ignition timing.
Torque Specifications:
Crucial torque values for fasteners across all systems.
Depth:
Comprehensive technical depth suitable for DIY mechanics and professional technicians.
Diagnostics:
Detailed diagnostic charts and procedures for identifying and resolving issues.
Special Tools:
Identification of necessary special tools and their applications.
Engine Type:
2-stroke, air-cooled
Displacement:
72 cc (4.4 cu. in.)
Bore X Stroke:
43.0 mm x 50.0 mm (1.69 in. x 1.97 in.)
Ignition:
CDI (Capacitor Discharge Ignition)
Horsepower:
Approx. 6.5 HP @ 7000 RPM (estimate for class)
Torque:
Not widely published, but sufficient for its intended use.
Carburetor Model:
Mikuni VM12SC (typical)
Fuel Type:
Unleaded gasoline
Fuel Mixture:
Pre-mix (gasoline and 2-stroke oil mixture)
Oil Type:
SuzukiCCI Super Premium 2-stroke oil (or equivalent high-quality 2-stroke oil)
Oil Mixture Ratio:
50:1 (Gasoline:Oil)
Length:
Approx. 1,465 mm (57.7 in.)
Width:
Approx. 855 mm (33.7 in.)
Height:
Approx. 900 mm (35.4 in.)
Wheelbase:
Approx. 950 mm (37.4 in.)
Ground Clearance:
Approx. 100 mm (3.9 in.)
Dry Weight:
Approx. 103 kg (227 lbs.)
Fuel Capacity:
Approx. 4.0 L (1.06 US gal.)
Oil Capacity:
Not applicable (oil mixed with fuel)
Safety Standards:
Designed to meet US EPA emission standards for recreational vehicles of its era. No formal crash ratings like modern vehicles.
Throttle Limiter:
Often featured a throttle limiter screw for controlled speed in beginner hands.
Parking Brake:
Handlebar-mounted parking brake lever.
Safety Flags:
Recommended use of safety flags for visibility on trails.
Operator Training:
Emphasis on operator training and supervision for young riders is crucial.
Oil Change Frequency:
Not applicable for transmission fluid; 2-stroke oil is mixed with fuel.
Air Filter Cleaning:
Recommended every 20-40 operating hours, depending on operating conditions.
Spark Plug Replacement:
Check and clean every 100 operating hours, replace as needed.
Carburetor Cleaning:
As needed, or annually as preventative maintenance.
Chain Lubrication Tension:
Lubricate chain every 20 operating hours; check and adjust tension regularly.
Brake Fluid:
DOT 3 or DOT 4 Brake Fluid (check manual for specific type)
Gear Oil:
Not applicable for the gearbox/final drive as per manual; check for specific lubrication points.
Grease:
General purpose lithium-based grease for lubrication points.
Carburetor Clogging:
Common issue with 2-stroke engines, especially with stale fuel. Requires regular cleaning and proper fuel storage.
Cvt Belt Wear:
The CVT belt can wear over time and require replacement, affecting acceleration and top speed.
Ignition Coil Failure:
Can lead to no spark or weak spark, preventing the engine from running.
Air Leak Detection:
Air leaks in the intake manifold or crank seals can cause lean running conditions and poor performance.
Manufacturer:
Suzuki Motor Corporation, a globally recognized Japanese manufacturer known for motorcycles, ATVs, and automobiles.
Predecessors:
The LT80 built upon Suzuki's earlier entry-level ATV designs, aiming for a user-friendly and accessible platform.
Successors:
The LT80 platform evolved into the popular LT-Z50 and LT-Z90 models in later years, offering more modern features and performance.
Production Period:
The LT80 model was produced for many years, with the 1987 model being an early iteration.
Manufacturing Location:
Likely manufactured in Japan or by contract manufacturers for Suzuki.
