2005-2006 Yamaha Bruin 250 / Big Bear 250, YFM250BT ATV Service Manual

Covers all Bruin 250 & Big Bear 250 models with detailed procedures for engine, chassis, electrical systems, and routine maintenance. Ref: LIT-11616-18-41

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Document Details

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Document Number / Seller:
24292 / Patrick Davis
File Size:
23.91 MB
File Type:
ZIP
Language:
English
Pages:
156 pages + 444 pages
Printable:
Yes
Category:
ATV
Last updated / verified
Jun 6, 2025

Models Covered & Key Technical Specifications

Yamaha Bruin 250 / Big Bear 250 (YFM250BT) - 2005-2006

  • Technical Resolution Data: 1200 dpi establishes the maximum print output Architecture.
  • Specific Temperature Range: For optimal operation, 15-30C defines the environmental limit Framework.
  • Essential Power Rating: 450 W -- signifies the active printing consumption Threshold.
  • Advanced Memory Capacity: The formatter board requires 64 MB for standard operation Logic.
  • Core Speed Performance: Maximum throughput reaches 25 ppm Parameters.
  • Operational Clarity: For ease of reference, 115 N-m is the specified torque value for critical fasteners.

Manual Description & Preview

Yamaha Bruin 250 / Big Bear 250 (YFM250BT) Supplementary Service Manual: 2005-2006 Documentation-Set

Model-Designation: YFM250BT / Bruin 250, Big Bear 250 // Model-Portfolio: ATV / 2005-2006 Operation // Engineering-Metrics: Repair Procedures, Troubleshooting

The documentation is partitioned into

Chapter 1. General Information

Chapter 2. Specifications

Chapter 3. Periodic Inspections and Adjustments

Chapter 4. Engine Overhaul

Chapter 5. Carburetion

This manual documents a wide range of systems and procedures. Accurately mandating specific maintenance intervals ensures consistent performance. It details engine overhaul, including disassembly and assembly of key components. Furthermore, the manual covers chassis adjustments, electrical system diagnostics, and troubleshooting guides. Information on carburetor settings and drive train maintenance is also provided to assist with repairs.

The manual documents torque specifications for engine components to ensure proper service interval reliability.

FAQ

What model coverage is provided for the YFM250BT in this supplementary manual? keyboard_arrow_down

Document covers the 2005-2006 Yamaha Bruin 250 and Big Bear 250 ATV models, specifically the YFM250BT.

Does the document contain technical information such as valve clearance values and tightening torque specifications? keyboard_arrow_down

Maintenance specifications chapter includes detailed tables listing valve clearance ranges, engine idle speed values, and tightening torques for critical components across the engine and chassis.

Are there exploded diagrams available to help visualize the assembly of the fuel tank or steering components? keyboard_arrow_down

Yes, the manual includes exploded diagrams at the start of disassembly sections that show parts in order, including components like the seat, fuel tank, and steering stem assemblies.

How can I access the manual after purchase? keyboard_arrow_down

Your purchase provides immediate access to a downloadable PDF file which can be viewed on various devices.

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