1987-1995 Yamaha YFM350ER Moto 4 ATV Service Manual

Wiring diagrams, specifications, and repair sequences for the Yamaha YFM350ER Moto 4. Includes detailed component guides and part number references. Ref: LIT-11616-07-01

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Document Details

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Document Number / Seller:
27372 / Mark Scott
File Size:
131.70 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Feb 1, 2025

Models Covered & Key Technical Specifications

Applied Quality Reference Manual: Yamaha YFM350ER / Moto 4 Service Manual, 1987-1995 edition | Technical-Repository Serial-Range: YFM350 / YFM350ER Moto 4 Yamaha // Operational-Framework: ATV / Service Manual Logic // Serial-Range: Complete repair procedures.

  • Design Angular Speed: 1500 r/min establishes the engine idle speed range.
  • Nominal Enclosure Specs: For optimal operation, 40 mm defines the cylinder bore size.
  • Calibrated Native Resolution: 0.02 mm -- signifies the maximum piston ring side clearance Limit.
  • Documented System Volume: The fuel tank requires 3.5 L for standard operation.
  • Principal Consumption Data: The vehicle limits a cargo weight of 110 kg.
  • Key Travel Rate: Normal operation reaches 12 Nm torque on the drive shaft.

Professional Workshop Service Manual & Technical Specifications

Applied Quality Reference Manual: Yamaha YFM350ER / Moto 4 Service Manual, 1987-1995 edition | Technical-Repository

Serial-Range: YFM350 / YFM350ER Moto 4 Yamaha // Operational-Framework: ATV / Service Manual Logic // Serial-Range: Complete repair procedures. Specification Operational-Logic Framework
Engine Systems Documentation Power Unit
Chassis Component Identification Frame & Suspension
Electrical Circuitry Diagrams Wiring & Components
Fuel System Component Schematics Carburetor & Fuel Lines
Periodic Maintenance Service Schedules Intervals & Lubrication
Troubleshooting Diagnostic Aids Issue Resolution Guides

Technical content addresses engine overhaul procedures, detailed disassembly and reassembly steps for key components like the carburetor and transmission, and comprehensive chassis system inspections. The manual provides detailed illustrations and part number references to assist with component identification and replacement.

Torque specifications are documented for ensuring proper bearing preload accuracy.

Parts identification is covered for all major assemblies and sub-components.

Removal procedures are documented for all major systems, including the engine and chassis components.

Technical specifications are provided for critical measurements and tolerances.

Factory specifications are documented for adjustments and settings.

FAQ

What **essential** testing parameters are listed for engine performance? keyboard_arrow_down

883 kPa is the maximum compression pressure at Sea Level for optimal engine performance, as detailed in Chapter 2.

Check the **correct** diagnostic procedures for the drive shaft. keyboard_arrow_down

Refer to page 5-42 for troubleshooting a "jerky" movement or "clunk" noise, which could indicate bearing damage or improper gear lash.

What does the **documented** fluid capacity requirements state? keyboard_arrow_down

3.2 L is the total amount of SAE 10W40 Type SE Motor Oil recommended for engine oil replacement, as specified in Chapter 2.

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Reviews (5)

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I appreciate the thoroughness of this manual. It really helped me understand my ATV better.
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Had a question about my download and got a reply in minutes. Very professional service!
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Rated 4 out of 5 stars
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Rated 4 out of 5 stars
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This manual has everything I needed to service my YFM350. Clear diagrams and detailed instructions made repairs a breeze!