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Yamaha Tri-moto 200 and 225 Service Manual Repair 1983-1986

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This manual covers the Tri-Moto series, including the YTM200E/ER (Yamahauler) from 1983-1985 and the YTM225DX and YTM225DR from 1983-1986. Known for their robust engineering, these three-wheeled recreational off-road vehicles offered...
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Type: Atv
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Sku: 61685
Yamaha Tri-moto 200 and 225 Service Manual Repair 1983-1986Yamaha Tri-moto 200 and 225 Service Manual Repair 1983-1986Yamaha Tri-moto 200 and 225 Service Manual Repair 1983-1986Yamaha Tri-moto 200 and 225 Service Manual Repair 1983-1986
This manual covers the Tri-Moto series, including the YTM200E/ER (Yamahauler) from 1983-1985 and the YTM225DX and YTM225DR from 1983-1986. Known for their robust engineering, these three-wheeled recreational off-road vehicles offered shaft drive for reduced maintenance, electric start for convenience, and were popular competitors in the early 1980s ATV market. The Tri-Moto provided a stable and versatile platform for recreational use, building on extensive experience in powersports. This comprehensive Factory Service Manual provides detailed guidance for the maintenance, repair, and troubleshooting of your Tri-Moto. It covers all essential systems, including the engine, clutch, transmission, fuel, exhaust, electrical, suspension, steering, and brakes. You will find step-by-step procedures for complete tear-downs and rebuilds, routine maintenance schedules, tune-up instructions, diagnostic procedures for common issues, component replacement, and critical torque specifications. This manual is an indispensable resource for owners and technicians alike to ensure the optimal performance and longevity of the vehicle.
🏷️ Basic Information
Identification
Make:
Yamaha
Model:
Tri-Moto
Common Name:
Trike
👋 Introduction
Market Position
Market Segment:
Recreational Off-Road Vehicles (ATVs/Trikes)
Competitive Analysis
Competitors:
Honda ATC series, Suzuki LT series (early models), Kawasaki Tecate.
Key Features
Unique Selling Points:
Shaft drive for reduced maintenance compared to chain drive, electric start for convenience, robust Yamaha engineering for reliability.
📋 Manual Details
Coverage
Covered Models:
YTM200E/ER (Yamahauler) 1983-1985, YTM225DX 1983-1985, YTM225DR 1985-1986
Pages
Page Count:
380
Type
Manual Type:
Factory Service Manual / Repair Manual
Language
Language:
English
Format
Format:
PDF Download
Content Features
Clickable Chapters:
Yes
Searchable:
Yes
📖 Manual Coverage
Systems
Systems Covered:
General Information, Troubleshooting, Lubrication & Maintenance, Tune-Up, Engine Overhaul, Clutch, Transmission, Fuel System, Exhaust System, Electrical System, Front Suspension & Steering (YTM200 & YTM225), Front Suspension & Steering (YFM200 - likely a typo, intended for YTM200), Rear Suspension & Final Drive, Brakes
Frame And Chassis:
Covered implicitly through suspension and general disassembly procedures.
Bodywork And Plastics:
Covered under general information and potentially specific disassembly sections for access.
Procedures
Procedures Included:
Complete tear down and rebuild, maintenance schedules, tune-up procedures, troubleshooting common problems, component replacement, adjustments, diagnostic procedures, torque specifications, fluid recommendations.
Depth
Technical Depth:
Comprehensive, covering everything from basic maintenance and adjustments to complete engine and transmission rebuilds. Includes detailed diagrams and illustrations.
Diagrams
Illustration Quality:
Includes pictures and part diagrams for easy identification and assembly/disassembly guidance.
Torque
Torque Specifications:
Detailed torque specifications for critical engine, chassis, and suspension components are provided.
📊 Manual Specifications
File Attributes
File Format:
PDF
Searchability:
Searchable text
Printing Restrictions:
No restrictions on printing or saving/burning to disc
Binding
Binding Type:
N/A (Digital Download)
Paper
Paper Type:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
4-stroke, Air-Cooled (typically OHC)
Displacement
Ytm200 Displacement:
Approx. 196cc
Ytm225 Displacement:
Approx. 222cc
Performance
Bore X Stroke:
Varies by model, detailed in manual
Compression Ratio:
Varies by model, detailed in manual
Horsepower:
Not explicitly stated, but generally in the 15-20 HP range depending on model and tuning (detailed performance metrics in manual)
Torque:
Not explicitly stated, but sufficient for recreational off-road use (detailed performance metrics in manual)
Fuel System
Carburetor:
Mikuni Carburetor (specific model and jetting detailed in manual)
Fuel Type:
Unleaded gasoline
Efi Capability:
No (Carburetor based systems)
Lubrication
Engine Oil Type:
API SE, SF, SG or higher, SAE 10W-30 or 20W-40 recommended (refer to manual for exact viscosity based on temperature)
Oil Capacity:
Varies by model, detailed in manual (typically around 1.5-2.0 liters)
🔧 Transmission
Drivetrain
Drive System:
Shaft Drive with Final Reduction Gear
Reverse Gear:
Yes, standard feature on specified models
Gearbox
Transmission Type:
5-Speed Manual with Reverse (specific gear ratios detailed in manual)
Clutch
Clutch Type:
Wet, Multi-plate Clutch, Cable Operated
Fluid
Transmission Fluid:
Yamaha Genuine Gear Oil or equivalent SAE 80 API GL-4 (refer to manual for specific type and capacity)
📐 Dimensions
Exterior
Overall Length:
Varies by model, detailed in manual
Overall Width:
Varies by model, detailed in manual
Overall Height:
Varies by model, detailed in manual
Weights
Dry Weight:
Varies by model, detailed in manual (typically in the 300-400 lbs range)
Ground Clearance:
Varies by model, detailed in manual
🛡️ Safety Features
Ratings
Crash Safety:
N/A (Off-road recreational vehicle, no standardized crash ratings apply)
Active Features
Braking System:
Front: Drum Brake; Rear: Drum Brake (specific details and adjustment procedures in manual)
Passive Features
Lighting:
Headlight, Taillight/Brake Light (electrical system coverage includes maintenance and troubleshooting)
💡 Technology Features
Infotainment
Infotainment Features:
N/A (Basic recreational vehicle, no infotainment system)
Driver Assistance
Driver Assistance Systems:
N/A (Basic recreational vehicle, no electronic driver assistance)
Ignition
Ignition System:
CDI (Capacitor Discharge Ignition) system, details on stator, CDI unit, and coil testing included.
Starting
Starting System:
Electric Start with backup kick starter (details on starter motor, solenoid, battery charging system covered)
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 6 months or 1,000-1,500 miles (refer to manual for specific mileage and hours, and severity of use adjustments)
Spark Plug Maintenance:
Inspect and clean/gap every 1,000 miles, replace as needed (refer to manual for specific gap)
Air Filter Maintenance:
Clean or replace as needed based on operating conditions (e.g., dusty environments require more frequent cleaning)
Valve Clearance Adjustment:
Recommended at specific intervals (e.g., every 3,000-5,000 miles or as specified in manual), crucial for performance and engine longevity.
Fluid Specifications
Brake Fluid:
DOT 3 or DOT 4 brake fluid (ensure cleanliness during replacement)
Final Drive Fluid:
Yamaha Genuine Gear Oil or SAE 80 API GL-4 (refer to manual for specific type and capacity)
Coolant Type:
Air-cooled, no coolant required
Known Issues
Common Problems:
Carburetor gumming due to infrequent use, ignition system component failures (coil, CDI), brake wear, carburetor jetting issues, occasional starting problems (especially in cold weather).
Troubleshooting
No Spark Diagnosis:
Manual provides detailed steps for diagnosing no-spark conditions, including checking the ignition coil, CDI unit, stator, spark plug, and wiring.
Tune Up
Tune Up Procedures:
Covers carburetor adjustment (idle speed, mixture screw), ignition timing checks, spark plug gap, and general engine inspection.
📚 Vehicle History
Brand Heritage
Yamaha Legacy:
Yamaha has a long history in motorsports and powersports, known for innovation and performance in motorcycles, ATVs, and snowmobiles.
Model Evolution
Tri Moto Development:
The Tri-Moto series was Yamaha's entry into the burgeoning three-wheeled ATV market of the early 1980s, offering a stable and versatile recreational platform.
Ytm200 Variants:
YTM200E/ER (Yamahauler) featured electric start and a different front-end configuration compared to some earlier models.
Ytm225 Variants:
YTM225DX and YTM225DR offered increased displacement for more power and torque.
Production
Production Period:
Early to mid-1980s (1983-1986 covered by this manual)
🏆 Awards & Recognition
Recognitions
Industry Acclaim:
The Tri-Moto series was well-received for its performance and reliability in its class during its production run.
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