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

Purchase & Download

$17.19 (incl. VAT) 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

Document Details

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

Models Covered & Key Technical Specifications

Yamaha TDR 250 (3CK-28197-20) Manual: 1988 edition Yamaha TDR 250 Service Manual | 1988 edition Toolkit.

  • Verified Component Weight: 153 kg (337 lb) establishes the vehicle's curb weight when equipped with a full tank of fuel.
  • Engineered Precision Specs: For optimal operation, 9.0:1 defines the compression ratio framework.
  • Principal Bolt Torques: 25 Nm (2.5 m*kg, 18 ft*lb) -- signifies the maximum torque for the kick axle nut specification.
  • Advanced Displacement Data: The engine requires 249cc for its parallel-twin configuration parameters.
  • Defined Circuit Specs: The ignition system provides 12V power for standard operation logic.
  • General Size Parameters: Carburetor settings achieve peak performance standards.

Professional Workshop Service Manual & Technical Specifications

1988 Yamaha TDR 250 Service Manual: Technical-Repository

Engine Specifications: TDR250 / Vehicle Category: Bike Logic // Technical Details: Complete service procedures and diagrams.

Technical Specs Overview

Assessment-Parameter Rating Context
Engine Displacement 249 cc Parallel-twin configuration
Horsepower 50.0 HP At 10000 RPM
Compression Ratio 9.0:1 For optimal performance
Transmission 6-speed Sequential gear selection
Cooling System Liquid-cooled Ensures engine temperature regulation
Weight (with fuel) 153 kg (337 lb) Curb weight for standard operation

Reference chapters include "General Information", "Specifications", "Engine Overhaul", "Cooling System", and "Troubleshooting".

This manual provides a structured framework for understanding the TDR 250's systems. It details procedures for engine assembly and disassembly, including critical components like the cylinder head, crankshaft, and pistons. The document also outlines the maintenance for the cooling system, electrical system, and carburetion, offering clear guidance on inspection and repair.

Properly requiring servicing, the manual details torque specifications for engine components to ensure proper cyclic stress resistance.

FAQ

What are the **proper** clearance measurements? keyboard_arrow_down

0.03 mm (0.0012 in) is the cylinder head warpage limit, essential for maintaining engine integrity.

Specify the **standard** torque specifications. keyboard_arrow_down

25 Nm (2.5 m*kg, 18 ft*lb) is the torque value for the kick axle nut, critical for proper function.

What is the **necessary** safety precautions? keyboard_arrow_down

Never operate the engine with the air filter element removed; doing so will affect carburetor tuning and can lead to engine overheating.

Customer Reviews

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

Add a Review

* Required information
1000
Captcha Image

Reviews (3)

Avatar
New
I appreciated the quick response from support when I had questions about the manual. The download was seamless, and the content is thorough!
Avatar
New
Rated 4 out of 5 stars
Avatar
New
The service manual for my 1988 Yamaha TDR 250 is a must-have! The detailed sections on the engine and electrical systems made repairs straightforward.