1988 Yamaha TDR 250 Service Manual

Field service reference for the 1988 Yamaha TDR 250, covering engine overhaul, cooling system, and electrical diagnostics. Ref: 3CK-28197-20

4.7starstarstarstarstar_half(3)
visibility Preview Available
Yamaha 1988 Yamaha TDR 250 Service Manual manual page preview - page 1 of

Sample pages from the 1988 Yamaha TDR 250 Service Manual manual

Yamaha 1988 Yamaha TDR 250 Service Manual manual preview page 1 - thumbnail
Yamaha 1988 Yamaha TDR 250 Service Manual manual preview page 5 - thumbnail
info_outline Click thumbnails to preview different pages
$17.19 (incl. VAT) Original OEM Factory Manuals & Data Instant Download / No Shipping Fees
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal
Technical Safety Notice
keyboard_arrow_down

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: Yamaha TDR 250, Yamaha TDR 240
Sub-models / Variants: TDR250 (3CK), TDR240 (3CL), Great Britain, Belgium, Italy variants
Build Years: 1988
Serial Numbers: TDR250: 3CK-000101 and up, TDR240: 3CL-000101 and up
Technical Data:

  • Engine: Liquid-cooled 2-stroke parallel-twin
  • Displacement: 249 cc (TDR250), 239 cc (TDR240)
  • Compression Ratio: 5.9:1
  • Transmission: Constant mesh 6-speed
  • Brakes: Front single disc, rear single disc
  • Ignition System: CDI
  • Carburetor: Mikuni TM28SS (2 pcs.)
  • Curb Weight: 153 kg (337 lb)
Technical Specifications
keyboard_arrow_down
Document Number / Seller:
24690 / Daniel Sanchez
File Size:
11.51 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Aug 16, 2025

Yamaha Manual Features & Content Preview

1988 Yamaha TDR 250 Service Manual Technical Scope

  • Covers 1988 Yamaha TDR 250 and TDR 240 motorcycles, including specific model-code variants 3CK and 3CL for international markets
  • Official Yamaha publication P/N 3CK-28197-20, issued for the 1988 model year
  • Contains 8 detailed exploded-view diagrams in the maintenance and overhaul chapters, plus 21 technical specification tables
  • File delivered as a direct download the moment payment clears
  • Indexed PDF search covers every chapter and appendix
  • Stored against your account so you can retrieve it after a hard-drive loss
  • This 1988 first edition is the primary factory reference for the TDR 250 launch build, documenting specific configuration differences for the 239cc TDR 240 French market variant

Factory Documentation Summary

The 1988 Yamaha TDR 250 service manual provides a structured look at the mechanical and electrical systems of the TDR series. Initial sections define motorcycle identification, covering chassis and engine serial numbers, while subsequent chapters detail the use of special tools required for tune-ups and engine disassembly. The manual segments focus on general information, periodic inspection and lubrication intervals, engine overhaul, cooling systems, carburetion, chassis components, electrical circuits, and systematic troubleshooting charts.

Engine and Chassis Specification Preview

The 1988 Yamaha TDR 250 specifications section includes detailed maintenance limits for cylinders, pistons, rings, and the crankshaft assembly. Engine oil pump capacity is documented at 1.4 liters, while transmission oil change capacity is specified at 1.0 liter. Cylinder head bolt torque is listed at 22 Nm (16 ft-lb) in the maintenance specifications table. Ignition timing is defined at 19° B.T.D.C. at 1,200 r/min. Intake valve clearance and reed valve stopper heights are provided for tuning the parallel-twin powerplant. This 110-page official Yamaha factory publication serves as the definitive reference for the 1988 TDR 250 and TDR 240, documenting all essential chassis, engine, and electrical specifications for the 3CK and 3CL model-code builds.

Manual FAQ, Purchase & Download Details

Does this manual include component breakdown diagrams and exploded views to assist in identifying parts? keyboard_arrow_down

Yes, every chapter includes exploded diagrams before each disassembly section for clarity in component identification.

What information regarding electrical systems and ignition components can be found in this manual? keyboard_arrow_down

Chapter 8 contains detailed references for the ignition and starting system, charging system, and various lighting and signal systems. It includes circuit diagrams, color codes, and guidance on switch and bulb identification.

Which specific publication and edition details are identified for the Yamaha TDR 250 service manual? keyboard_arrow_down

Document is officially designated as the 1988 edition for the Yamaha TDR 250. It references publication number 3CK-28197-20 throughout its structural documentation. This revised edition provides information specifically organized for use by qualified technicians.

Can I view reference tables or charts that list general torque specifications and lubrication points? keyboard_arrow_down

Yes, Chapter 2 includes comprehensive specification tables covering general torque settings, lubricant types, and lubrication points for both engine and chassis components.

Is there a specific chapter that covers engine-related information in greater depth? keyboard_arrow_down

Chapter 4, titled Engine Overhaul, provides comprehensive coverage of engine components including the cylinder head, pistons, clutch, and transmission. This section outlines the structural composition of the engine through detailed descriptions of sub-assemblies and internal parts.

Customer Reviews

Read what our customers say about this Yamaha Bike manual and share your own experience.