🏷️ Basic Information

Make:

Yamaha

Model:

ATC Tri-Moto

Sub Model:

YTM200ERN, YTM200EK, YTM200EL

Model Years Covered:

1983, 1984, 1985, 1986, 1987

Vehicle Type:

All-Terrain Vehicle (ATV)

👋 Introduction

Target Audience:

Yamaha ATC Tri-Moto owners and independent repair shops

Advantage Over Competitors:

Improved PDF features (bookmarks, search), direct download (not zip), broad OS compatibility, printable, backup CD option

Value Proposition:

Comprehensive factory repair information, detailed diagrams, enhanced digital format for ease of use and accessibility

Guarantee:

Satisfaction Guaranteed or Money Back

📋 Manual Details

Primary Coverage:

Comprehensive Repair and Service

Estimated Page Count:

Hundreds (as stated in description)

Type:

Factory Repair Manual

Language:

English

Format:

PDF Download

Digital Enhancements:

Bookmarks, Sub-bookmarks, Searchable Text, Index

Navigation Advantage:

Easy navigation, no need to dig through hundreds of pages

Operating Systems:

All Windows, All Mac, All Linux

File Packaging:

Direct PDF (not a zip file)

📖 Manual Coverage

Powertrain:

Engine, Transmission (implied, as engine overhaul is mentioned)

Chassis:

Chassis, Steering/Frame, Suspension

Fuel:

Fuel Injection System

Cooling:

Cooling System

Electrical:

Electrical System, Wiring Diagrams

Controls:

Controls/Indicators

Maintenance:

Periodic Checks & Adjustments, Periodic Maintenance/Tune-Up

Repair:

Disassembly and Assembly (overhaul) of engine and other components

Diagnostics:

Troubleshooting

Level Of Detail:

Factory-level, suitable for professional mechanics and skilled DIYers

Instructional Style:

Step-by-step instructions with hundreds of diagrams

📊 Manual Specifications

Format:

PDF

Printability:

Printable pages

Binding:

Digital (PDF download) - User can create own binding (e.g., CD backup)

Paper Quality For Printing:

User dependent (standard paper when printing)

⚙️ Engine Specifications

Engine Type:

Air-cooled, 4-stroke, SOHC

Displacement:

196 cc (for YTM200 models, often referred to as 200cc class)

Bore X Stroke:

57.0 mm x 76.0 mm (Typical for 200cc Yamaha 4-stroke OHV/SOHC of this era)

Compression Ratio:

Approx. 9.2:1 (typical for this engine class)

Horsepower:

Approx. 14-15 HP (estimated for models of this era and displacement)

Torque:

Not specified, but typically in the range of 12-14 lb-ft

Fuel Delivery:

Carburetor (likely Mikuni VM series, e.g., VM22 or similar) for some sub-models, Fuel Injection System mentioned for others, indicating potential variations across the ERN/EK/EL designations or specific year updates. The manual explicitly lists 'Fuel Injection System' as a covered topic, suggesting at least some models feature FI.

Fuel Type:

Unleaded Gasoline

System:

CDI (Capacitor Discharge Ignition)

Type:

Wet Sump

Recommended Viscosity:

Yamalube 4 (SAE 10W-30 or 10W-40 depending on temperature)

Capacity:

Approx. 1.5 - 1.8 Liters (including filter)

🔧 Transmission

Type:

Automatic Transmission (likely Yamaha's 'Automatic Clutch' with a 3-speed or 4-speed gearbox, or a CVT in later iterations, though 'Automatic Clutch' is more probable for this era's YTM200)

Drive System:

2WD (Rear Wheel Drive)

Reverse:

Included (common for this model series)

Transmission Oil:

Yamalube Gear Oil (or equivalent SAE 80 GL-4)

📐 Dimensions

Length:

Approx. 1945 mm (76.6 in)

Width:

Approx. 1070 mm (42.1 in)

Height:

Approx. 1035 mm (40.7 in)

Dry Weight:

Approx. 161 kg (355 lbs)

Payload Capacity:

Not specified, typically around 100-150 lbs for this class

Front Tire Size:

AT18 x 7-7

Rear Tire Size:

AT20 x 10-9

Wheel Bolt Pattern:

4-lug (common for Yamaha ATVs of this era)

🛡️ Safety Features

Crash Test Data:

N/A (ATVs are not subject to typical automotive crash testing regulations)

Braking System:

Hydraulic disc front, Drum rear (typical configuration for this model)

Lighting:

Headlight, Taillight/Brake light

Throttle Limiter:

Often present on beginner-friendly ATVs, manual would cover adjustment/removal

💡 Technology Features

Features:

N/A (Basic functionality for its era, no complex infotainment systems)

Features:

N/A (No electronic driver assistance features)

Features:

N/A (No connectivity features)

🔧 Maintenance

Oil Change:

Every 1000 km or 12 months (or as per manual, typically 3-6 months for frequent use)

Air Filter Cleaning:

Every 6 months or as needed based on conditions

Spark Plug Replacement:

Approx. 5000 km or 1 year (check condition more frequently)

Engine Oil Spec:

Yamalube 4 SAE 10W-30 or 10W-40 (API SE, SF, SG or higher)

Brake Fluid Spec:

DOT 3 or DOT 4 Hydraulic Brake Fluid

Carburetor Issues:

Clogged jets or incorrect adjustment due to fuel degradation or dirt ingress

Electrical Issues:

Corroded connections, stator or ignition coil failure (common in older vehicles exposed to elements)

Engine Wear:

Piston ring wear, valve seat issues from high mileage or poor maintenance

Fuel Injection System:

If equipped with FI, potential for clogged injectors, fuel pump issues, or sensor failures

📚 Vehicle History

Yamaha Motorsports:

Yamaha has a long and distinguished history in motorsports, including a pioneering role in the ATV market with models like the original Tri-Moto.

Tri Moto Legacy:

The YTM200 series represents an evolution from earlier 3-wheel ATVs, introducing more advanced features and often a more comfortable riding experience. The 'ER' designation may indicate electric start, and 'K'/'L' variants could relate to specific model year updates or feature packages.

Production Period:

Covered years 1983-1987, part of Yamaha's extensive ATV development in the 1980s.

🏆 Awards & Recognition

Industry Awards:

No specific awards noted for this particular model year range, but Yamaha's ATV products have generally received acclaim for performance and reliability.