Vehicle Category:
All-Terrain Vehicle (ATV) / Trail Bike
Segment:
Entry-level to mid-range recreational ATVs of its era.
Primary Use:
Recreation, trail riding, light utility work.
Manual Purpose:
To provide comprehensive repair and maintenance information for authorized service centers and owners.
Engine Service:
Engine disassembly, assembly, troubleshooting, tuning, cooling system, lubrication system.
Transmission Service:
Gearbox inspection, repair, clutch operation, drive chain maintenance.
Fuel System Service:
Carburetor inspection, cleaning, adjustment, fuel tank, fuel lines.
Electrical System Service:
Ignition system, lighting, charging system, starter system, wiring diagrams.
Chassis And Suspension Service:
Front and rear suspension, steering system, wheel bearings, frame inspection.
Brake System Service:
Brake system inspection, adjustment, hydraulic components, shoe/pad replacement.
Body And Frame Service:
Body panel removal/installation, seat, fenders, handlebars.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain adjustments, lubrication points.
Troubleshooting Guides:
Systematic diagnostic procedures for common problems and performance issues.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation.
Overhaul Instructions:
Complete engine and transmission overhaul procedures.
Technical Specifications:
Torque values, clearances, timing specifications, fluid types and capacities.
Diagnostic Capability:
Advanced diagnostics for electrical and mechanical systems, including troubleshooting flowcharts.
Rebuild Level:
Covers complete engine, transmission, and major component rebuilds.
Target Audience:
Professional technicians and skilled DIY mechanics.
Engine Type:
4-stroke, air-cooled, SOHC
Displacement:
196 cc (approximately, common for Yamaha 200cc class engines)
Bore X Stroke:
Typically around 66.0 mm x 57.0 mm (specifics should be verified in manual)
Compression Ratio:
Around 9.0:1 to 9.5:1 (typical, to be confirmed in manual)
Horsepower:
Estimated 10-15 HP (typical for this displacement and class)
Torque:
Specific torque figures not readily available without manual, but designed for low-end grunt.
Fuel Delivery:
Carburetor
Carburetor Model:
Likely a Mikuni VM series (e.g., VM26 or similar, specific model in manual)
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Lubrication System:
Wet sump
Length:
Typically around 1,800 - 2,000 mm (exact dimensions not provided, specific to model variants)
Width:
Typically around 900 - 1,100 mm (exact dimensions not provided)
Height:
Typically around 1,000 - 1,150 mm (exact dimensions not provided)
Dry Weight:
Around 150 - 170 kg (typical for this class, specific to EK/EL)
Fuel Capacity:
Approximately 8-10 liters (specific to model)
Dashboard Features:
Basic instrumentation: Speedometer, odometer, neutral indicator, oil warning light (specifics vary).
Atv Features:
Reverse gear (on some models), neutral indicator light.
Atv Connectivity:
N/A (No modern connectivity features expected)
Engine Oil Change:
Every 1,000-1,500 km or annually, or per manual's specific recommendation (e.g., 3-6 months).
Air Filter Cleaning:
Regularly, depending on operating conditions (e.g., every few rides).
Spark Plug Inspection:
Every 1,000-2,000 km or annually.
Chain Lubrication Adjustment:
Every 500 km and before long rides.
Engine Oil Type:
Yamalube 4 (or equivalent API SE, SF, SG, SH, SJ or higher, SAE 10W-30 or 20W-40, depending on ambient temperature - refer to manual for precise specification).
Engine Oil Capacity:
Approx. 1.4-1.6 liters without filter change, 1.6-1.8 liters with filter change (verify in manual).
Gear Oil Type:
Yamaha Gear Oil (or SAE 80 API GL-4, specific grade recommended in manual).
Brake Fluid Type:
DOT 3 or DOT 4 (if hydraulic, confirm type in manual).
Carburetor Clogging:
Common in older ATVs due to fuel degradation or debris. Requires cleaning and possible rebuild.
Drive Chain Wear:
Routine maintenance is critical to prevent premature wear.
Carburetor Idle Stability:
Can be affected by air leaks or improper adjustment.
Suspension Bushings:
Wear and tear on rubber bushings over time, affecting handling.
Electrical Connector Corrosion:
Especially in off-road environments, connectors can corrode, leading to intermittent electrical issues.
Yamaha Motorsports Legacy:
Yamaha has a long history in motorsports and powersports, known for innovation and reliability.
Atv Development:
The YTM series was part of Yamaha's early entry and expansion into the recreational ATV market.
Manufacturing Period:
Likely produced in the mid-to-late 1980s.
