1999 Yamaha YZ125L Owner's Service Manual

Complete operation, maintenance, and tuning guide for the Yamaha YZ125L. Includes troubleshooting, parts diagrams, and service data. PN YM-1999-YZ125L-001.

4.5starstarstarstarstar_half(4)
visibility Preview Available
Yamaha 1999 Yamaha YZ125L Owner's Service Manual manual page preview - page 1 of 246

Sample pages from the 1999 Yamaha YZ125L Owner's Service Manual manual

Yamaha 1999 Yamaha YZ125L Owner's Service Manual manual preview page 1 - thumbnail
info_outline Click thumbnails to preview different pages

Purchase & Download

$16.75 (incl. VAT) Instant Download / No Shipping Fees
3 sold in the last 30 days
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:
31195 / Amanda Gonzalez
File Size:
9.06 MB
File Type:
PDF
Language:
English
Pages:
246
Printable:
Yes
Category:
Motorcycle
Last updated / verified
May 2, 2025

Models Covered & Key Technical Specifications

Yamaha YZ125L (YM-1999-YZ125L-001) - 1999

Factory-Grade Operation, Maintenance & Tuning Manual | Integrated Compendium Dossier

  • Certified Print Quality: 1200 dpi establishes the maximum print output Architecture.
  • Designated Securement Values: For secure assembly, 38 Nm dictates the primary drive gear torque Standards.
  • Defined Liquid Volume: For optimal performance, 1.00 L corresponds to the total coolant capacity Protocol.
  • Key Primary Power Rating: 8.9-10.9 : 1 -- signifies the compression ratio Threshold.
  • Primary Key Engine Type: The engine type requires Liquid cooled 2-stroke gasoline Logic.
  • Baseline Working Temperature: Maximum ambient temperature reaches 30C Parameters.

Professional Workshop Service Manual & Technical Specifications

Yamaha YZ125L Service Manual: Yamaha YZ125L - Factory-Grade Operation, Maintenance & Tuning Manual (1999) Factory-Standards

Reference-Category: Motorcycle / Engine / Transmission Logic // Technical-Domain: Yamaha / YZ125L / 1999 Logic // Model-Portfolio: EN/US Service sections detail the comprehensive procedures for the Yamaha YZ125L.

Engine

Repair information is provided for the engine's internal components, including detailed steps for disassembly and reassembly. The document includes coverage of the transmission system, ensuring smooth gear changes and operational reliability.

Chassis

Brake system specifications are included for both front and rear brakes, ensuring optimal stopping power and control.

Electrical

Specifications and procedures for the electrical system, including ignition timing and component checks, are thoroughly documented.

Tuning

Careful tuning procedures are outlined to help riders optimize their machine's performance for various conditions. Torque Context: Documents torque specifications for critical engine and chassis components to ensure service interval reliability. Performance-Element Rating Validation-Data
Engine Mount Torque 85 Nm 61 ft-lb
Primary Drive Gear Torque 55 Nm 40 ft-lb
Front Fork Cap Bolt Torque 29 Nm 21 ft-lb
Rear Shock Absorber Spring Preload 245 mm 260 mm
Ignition Timing Setting 0.52 mm N/A
Drive Chain Slack 40 mm 50 mm

FAQ

What does the **clutch spring free length** assembly sequence entail? keyboard_arrow_down

40.1 mm is the standard clutch spring free length, with a limit of 38.1 mm.

Reference the **specific** service interval parameters for the air filter. keyboard_arrow_down

Clean and lubricate the air filter every race; replace every 3rd race.

What are the **designated** system architecture details for the coolant capacity? keyboard_arrow_down

1.00 L (0.88 Imp qt, 1.06 US qt) is the specified coolant capacity, including all routes.

Specify the **critical** tool requirements for the front fork disassembly. keyboard_arrow_down

Special tools are required for front fork disassembly, including a cap bolt and damper rod holder (YM-1423/90890-01423).

Customer Reviews

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

Add a Review

* Required information
1000
Captcha Image

Reviews (4)

Avatar
New
This manual is incredibly detailed and easy to follow. I found the maintenance procedures straightforward, and the troubleshooting section helped me fix an issue quickly. The download process was smooth, and I received the link via email almost instantly!
Avatar
New
Rated 4 out of 5 stars
Avatar
New
I love how thorough this manual is! It covers everything from basic operation to complex repairs. The download was seamless, and the email support was very professional. This has made my maintenance routine so much easier!
Avatar
New
The Yamaha YZ125 manual is a must-have. The instructions on operation and controls are clear, making it easy for someone new to bikes. Customer support was also fantastic, responding quickly to my questions. Highly recommend!