Model Variants:
YTM200E (aka Yamahauler), YTM200ER (aka Yamahauler), YTM225DX, YTM225DR
Internal Model Codes:
YTM200EK, YTM200EL, YTM200ERN, YTM225DXK, YTM225DXL, YTM225DRN, YTM225DXN, YTM225DRS
Segment:
Sport/Recreational All-Terrain Vehicle (ATV) - Trike
Competitors:
Honda TRX series, Kawasaki Bayou, Suzuki LT series (though Tri-Moto is a three-wheeler).
Vehicle Highlights:
Shaft drive for low maintenance, electric start for convenience, robust design for recreational use.
Benefit To Owner:
Enables DIY maintenance, repair, and troubleshooting, saving on professional service costs.
Content Quality:
Factory-level accuracy and detail, providing reliable procedures.
Engine:
Complete teardown and rebuild, carburetor adjustment, valve clearance, lubrication, ignition system, cooling system.
Transmission:
Shaft drive system, primary reduction gear, gearshift mechanism, clutch operation, reverse gear functionality.
Chassis And Suspension:
Frame, front forks, steering, rear swingarm, suspension components, linkages, wheel bearings.
Electrical System:
Starting system (electric start), battery, charging system (magneto, rectifier), lighting, switches, ignition coil.
Brakes:
Brake system components, brake pads, adjustment procedures.
Body And Plastics:
Fenders, body panels, seat, handlebars, trim.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, spark plug maintenance, lubrication points.
Troubleshooting:
Diagnostic guides for common problems, no-spark conditions, starting issues, engine performance problems, electrical faults.
Repair And Rebuild:
Complete engine teardown and rebuild procedures, transmission overhaul, suspension component replacement, carburetor overhaul.
Diagnostics:
Error code interpretation (if applicable), electrical system testing, component testing.
Detail Level:
Comprehensive, covering from basic maintenance to complete engine and drivetrain rebuilds.
Visual Aids:
Includes pictures, diagrams, and part breakdowns.
Data Inclusion:
Torque specifications, fluid capacities, technical data, wiring diagrams, troubleshooting charts.
Engine Type:
Four-stroke, air-cooled
Displacement 200:
Approximately 196cc (exact for YTM200 series)
Displacement 225:
Approximately 223cc (exact for YTM225 series)
Bore Stroke 200:
Refer to manual for exact specifications (e.g., YTM200E typical: 66.0 mm x 57.0 mm)
Bore Stroke 225:
Refer to manual for exact specifications (e.g., YTM225DX typical: 69.0 mm x 62.2 mm)
Horsepower Approx:
YTM200: ~15-17 HP, YTM225: ~17-19 HP (estimates, actual may vary)
Torque Specs Availability:
Included in manual for critical engine components.
Carburetor Type:
Single Mikuni carburetor (specific model varies by engine size).
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
Refer to manual for specific model capacity (typically 2.5-3.5 gallons).
Engine Oil Type:
Yamaha recommends specific viscosity grades. Manual will specify (e.g., SAE 10W-30 or 20W-40).
Oil Capacity:
Refer to manual for exact oil capacity.
Ignition System:
CDI (Capacitor Discharge Ignition)
Starting Method:
Electric Start with Kick Start backup (on some models, refer to manual)
Length:
Refer to manual for exact dimensions (typically around 70-75 inches).
Width:
Refer to manual for exact dimensions (typically around 40-45 inches).
Height:
Refer to manual for exact dimensions (typically around 40-44 inches).
Dry Weight Approx:
YTM200: ~300-350 lbs, YTM225: ~350-400 lbs (estimates, refer to manual).
Ground Clearance:
Refer to manual for exact specifications (typically 5-8 inches).
Atv Safety Standards:
Manufactured to meet industry safety standards of the era. Manual covers safe operation and maintenance.
Braking System:
Drum or disc brakes depending on model/axle. Manual details adjustment and maintenance.
Operator Controls:
Handlebar steering, throttle, clutch, and brake levers. Manual details proper use.
Oil Change Interval:
Refer to manual for specific intervals (typically every few hundred miles or annually).
Air Filter Cleaning:
Recommended at regular intervals, especially in dusty conditions. Manual details cleaning and replacement.
Spark Plug Replacement:
Refer to manual for recommended replacement intervals and correct spark plug type.
Valve Adjustment Interval:
Periodic adjustment is crucial for engine performance and longevity. Manual provides the schedule and procedure.
Engine Oil Viscosity:
Manual will specify the exact viscosity grade (e.g., SAE 10W-30) and API classification if applicable.
Transmission Fluid:
Manual will specify the correct gear oil or lubricant for the shaft drive and transmission.
Brake Fluid:
Manual will specify the type of brake fluid required (e.g., DOT 3).
Common Wear Items:
Brake pads, tires, cables, clutch plates, and suspension bushings are common wear items.
Carburetor Cleaning:
Carburetors can become gummed up if the vehicle sits for extended periods, requiring cleaning and tuning.
Electrical Connections:
Corrosion in electrical connectors can lead to intermittent issues; manual provides wiring diagrams for troubleshooting.
Yamaha Powersports:
Yamaha has a long history in powersports, known for innovation and reliability in motorcycles, ATVs, and watercraft.
Trike Era:
The Tri-Moto line was Yamaha's entry into the popular three-wheeled ATV market of the 1980s, preceding the more common four-wheeled ATVs.
Manufacturing Period:
Production spanned from the early 1980s through the mid-to-late 1980s.
