1987 Yamaha YFM225 Moto 4 Owner's Manual

Documents Yamaha YFM225 Moto 4 service procedures, including safety information, operation, and periodic maintenance. P/N LIT-11626-05-85

5.0starstarstarstarstar(1)
visibility Preview Available
Yamaha 1987 Yamaha YFM225 Moto 4 Owner's Manual manual page preview - page 1 of 118

Sample pages from the 1987 Yamaha YFM225 Moto 4 Owner's Manual manual

Yamaha 1987 Yamaha YFM225 Moto 4 Owner's Manual manual preview page 1 - thumbnail
Yamaha 1987 Yamaha YFM225 Moto 4 Owner's Manual manual preview page 4 - thumbnail
Yamaha 1987 Yamaha YFM225 Moto 4 Owner's Manual manual preview page 5 - thumbnail
info_outline Click thumbnails to preview different pages
$18.90 (incl. VAT) Original OEM Factory Manuals & Data Instant Download / No Shipping Fees
1 copies sold
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 YFM225 Moto 4
Build Years: 1987
Technical Data:

  • Engine oil capacity (periodic change): 1.5 L
  • Engine oil capacity (total amount): 2.4 L
  • Final gear oil capacity: 0.23 L
  • Spark plug gap: 0.6–0.7 mm
  • Idle speed: 1,400 r/min
  • Throttle lever free play: 3–5 mm
  • Front/Rear tire pressure (recommended): 20 kPa (2.8 psi)
  • Spark plug torque: 17.5 Nm
  • Wheel nut torque: 32 Nm
Technical Specifications
keyboard_arrow_down
Document Number / Seller:
25303 / Amanda Jackson
File Size:
25.22 MB
File Type:
ZIP
Language:
English
Pages:
118
Printable:
Yes
Category:
ATV
Last updated / verified
Sep 27, 2025

Yamaha Manual Features & Content Preview

1987 Yamaha YFM225 Moto 4 Owner's Manual

  • Built for owners and operators of the 1987 Yamaha YFM225 Moto 4 all-terrain vehicle, providing essential operational parameters and maintenance schedules.
  • Official Yamaha publication P/N LIT-11626-05-85, 1st Edition, November 1986.
  • Contains 32 technical diagrams, 2 torque-spec reference tables, and 14 maintenance-schedule intervals.
  • Accessible from your device as soon as the order is placed.
  • OCR text layer lets you jump to a torque spec by keyword.
  • Suitable for printing individual sections for shop-floor use.
  • This 1987 first edition is the original document used for the YFM225T launch build.

Operational Scope and Maintenance Data

This 1987 Yamaha YFM225 Moto 4 owner's manual documents the foundational requirements for routine off-road maintenance, control function identification, and safety-conscious riding techniques. The document details the specific setup for the 12V electrical system, including accessory lead connections, and defines the correct procedures for utilizing the auxiliary DC terminal found on the front bumper. Separate chapters define the break-in cycle, transmission operation involving high, low, and reverse ranges, and the correct usage of the decompression lever for emergency starts. Periodic maintenance sections outline the necessary steps for what an OEM service publication covers, including visual checks for gear oil, battery fluid levels, and tire pressure management.

Specification Highlights

Detailed technical tables provide critical values for assembly and maintenance, such as torque specifications for the spark plug at 17.5 Nm and wheel nuts at 32 Nm. Fluid capacities are clearly identified: 1.5 L for periodic engine oil changes and 0.23 L for the final gear case. Spark plug gap is specified at 0.6–0.7 mm to maintain efficient ignition performance under various load conditions. The manual also includes tire pressure baselines, specifying a recommended 20 kPa for both front and rear tires, and provides specific identification of the

Manual FAQ, Purchase & Download Details

What kind of electrical documentation is included for the 1987 YFM225 Moto 4? keyboard_arrow_down

Manual includes a dedicated section for the wiring diagram of the vehicle. Additionally, it lists technical reference information for the electrical system requirements such as standard operating voltage and current thresholds.

Is there documentation covering periodic maintenance tasks for engine components like the carburetor or spark plug? keyboard_arrow_down

Yes, the manual contains specific chapters for periodic maintenance and adjustment that detail the schedules and general requirements for items such as the spark plug and carburetor.

Are tightening specifications and technical reference values available within the manual? keyboard_arrow_down

Document contains a dedicated section for torque specifications and various technical tables throughout the text. These sections list the reference values and tolerances necessary for the periodic maintenance items described in the manual.

Which sections feature diagrams for the emergency starter system or battery breather pipe layout? keyboard_arrow_down

Manual features illustrative diagrams for the emergency starter system and the battery breather pipe layout within the identification and pre-operation sections.

Can I verify the document version and edition information from the cover materials provided in the file? keyboard_arrow_down

First page of the PDF identifies this as the 1st Edition of the Owner's Manual, published in November 1986. The document also includes the specific publication part number LIT-11626-05-85. This information helps confirm the specific revision level of the reference material.

Customer Reviews

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