1983-1987 Yamaha YTM200K Tri-Moto Service Manual

This service manual provides detailed instructions for maintaining and repairing your Yamaha YTM200K Tri-Moto. It covers all aspects of the three-wheeler, including engine, chassis, and electrical systems, with part numbers like YU-08037 and YM-33278.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Yamaha Models Covered & Key Technical Specifications

Models: YTM200K
Build Years: 1983–1987
Serial Numbers: 21V-000101 and up
Technical Data:

  • Engine: 4-stroke, gasoline, SOHC, single-cylinder
  • Engine displacement: 196 cm3
  • Compression ratio: 8.5:1
  • Compression pressure: 883 kPa (9 kg/cm2, 128 psi)
  • Fuel system: VM22/MIKUNI carburetor
  • Fuel tank capacity: 9.0 L (2.0 Imp gal, 2.4 US gal)
  • Transmission: 5-speed, constant mesh, left-foot operation
  • Final drive: Chain drive
  • Front suspension: Telescopic fork
  • Front wheel travel: 100 mm (4.0 in)
  • Tire size: 22x11-8 (tubeless)
Technical Specifications
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Document Number / Seller:
26748 / Thomas Johnson
File Size:
74.25 MB
File Type:
PDF
Language:
English
Pages:
126
Printable:
Yes
Category:
Three-Wheeler
Last updated / verified
Mar 7, 2025

Yamaha Manual Features & Content Preview

1983–1987 Yamaha YTM200K Technical Documentation

  • Covers 1983–1987 Yamaha YTM200K Tri-Moto three-wheelers, including engine, chassis, and electrical system specifications
  • Original OEM publication, form number 21V
  • Contains 47 exploded-view diagrams and 39 detailed technical specification tables for engine and chassis maintenance
  • Accessible from your device as soon as the order is placed
  • OCR text layer lets you jump to a torque spec by keyword
  • Laid out for standard letter and A4 printing
  • This 126-page reference is the factory-authorized resource for maintaining the YTM200K Tri-Moto, documenting all critical clearances and tolerances for the 21V-series build

Component and Engine Overhaul Scope

This manual documents the entire vehicle, beginning with identification, special tool requirements, and periodic maintenance schedules based on environmental usage. The text outlines inspection procedures for the engine, including top-end component wear limits, valve clearance settings, and decompression system adjustments. Chassis coverage details steering head assembly, front fork maintenance, and drive chain tensioning, alongside brake system inspections and wheel bearing assessment criteria.

Technical Data and Specifications

Detailed tables provide critical reference values, such as standard and wear-limit dimensions for the piston, cylinder, crankshaft, and valve train. The manual also includes wiring diagrams for the CDI ignition system and lighting circuits, complete with color codes and test procedures for the magneto, coils, and switches. Reference values include:

  • Intake valve clearance is specified at 0.05–0.09 mm in the engine maintenance section.
  • The YTM200K fuel tank capacity is documented at 9.0 liters.
  • Engine oil capacity is 1.8 liters for a total fill, with 1.5 liters required for periodic changes.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. This official 126-page Yamaha publication provides comprehensive technical data for the 1983–1987 Yamaha YTM200K Tri-Moto, documenting engine, chassis, electrical, and maintenance specifications for the 21V-series build.

Manual FAQ, Purchase & Download Details

What chapters are included in the 1983-1987 Yamaha YTM200K service manual? keyboard_arrow_down

Document covers comprehensive machine information across seven chapters including General Information, Periodic Inspections and Adjustments, Engine Overhaul, Carburetion, Chassis, Electrical, and Appendices.

Is there information regarding technical reference values such as valve clearance, torque specifications, and fluid capacities? keyboard_arrow_down

Manual contains dedicated sections for periodic maintenance and engine specifications that list tightening torque values for major components and service intervals. It also provides reference data for items like engine oil capacity, spark plug gap, and valve clearance ranges to assist in technical reviews.

Are there exploded views, parts illustrations, or component breakdown diagrams throughout the service documentation? keyboard_arrow_down

PDF includes numerous exploded views and component diagrams specifically for systems like the engine internals, brake calipers, and wheel assemblies. These visual aids are designed to show the relationship and orientation of individual parts such as drain plugs, compression springs, and oil strainers. The documentation relies on these clear illustrations to provide context for the various assemblies covered within the 126-page guide.

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