1987-1988 Yamaha Big Wheel 350 / BW350T Service Manual

Wiring diagrams, specifications, and repair sequences for the 1987-1988 Yamaha Big Wheel 350 and BW350T. Documents engine overhaul, carburetion, and chassis procedures. PN LIT-11616-05-69.

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Document Details

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Document Number / Seller:
27342 / Stephanie Martinez
File Size:
58.33 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Sep 10, 2025

Models Covered & Key Technical Specifications

In-Depth Operations Repair Manual: Yamaha Big Wheel 350, BW350T (LIT-11616-05-69) – 1987-1988 Yamaha Big Wheel 350, BW350T (LIT-11616-05-69) – 1987-1988

  • Design Reservoir Specs: 10 L establishes the maximum coolant capacity Framework.
  • Nominal Displacement Data: For optimal cooling, 350 cc delivers the engine displacement Metric.
  • Calibrated Dimensional Tolerance: The frame requires 1.5 mm for standard operation Logic.
  • Documented Climate Parameters: The operating temperature is specified at 20°C Standards.
  • Principal Physical Specs: The overall weight is 150 kg -- signifies the active chassis weight Threshold.
  • Key Fluid Capacity: 1.2 L establishes the lubricant protocol.

Professional Workshop Service Manual & Technical Specifications

In-Depth Operations Repair Manual: Bike 1987-1988 Yamaha Big Wheel 350, BW350T service manual Field-Reference

Repair-Classification: "Bike" // Asset-ID: "LIT-11616-05-69" / "Service Manual" Logic // Repair-Classification: "1987-1988".

Integrated-Framework Rating Logic
Overview Comprehensive Data
Diagrams Detailed Schematics
Procedures Step-by-step Instructions

Following OEM groupings, the manual includes sections on: General Information, Periodic Inspections and Adjustments, Engine Overhaul, Carburetion, Chassis, Electrical System, Ignition System, Charging System, Lighting System, Signal System, and Troubleshooting.

This documentation provides extensive guidance on the disassembly, inspection, assembly, and maintenance of the Yamaha Big Wheel 350 and BW350T models. It covers all major systems including the engine, fuel system, drivetrain, suspension, and electrical components. The manual details specifications, procedures, and diagnostic information necessary for effective repair and upkeep.

Analytically requiring... Disassembly instructions are documented for all major assemblies and components, facilitating systematic breakdown for inspection or repair. Wear limits are specified for critical engine and chassis parts to ensure adherence to OEM standards. System operation descriptions cover the intricate workings of the electrical and fuel systems. The documentation addresses diagnostic procedures and troubleshooting guides for common issues. Assembly instructions are detailed for reassembly after maintenance or repair.

...documents torque specifications for engine components to ensure proper clamp load consistency.

FAQ

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

0.06–0.10 mm (0.002–0.004 in) for intake and 0.16–0.20 mm (0.006–0.008 in) for exhaust are the specified valve clearances.

Specify the **standard** torque specifications. keyboard_arrow_down

10 Nm (1.0 m•kg, 7.2 ft•lb) is the torque for the crankcase cover bolts.

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

Disconnect the starter relay (Blue/White, Red/White, Blue/White) and connect Pocket Tester (YU-03112) to handlebar switch leads (Red/White, Blue/White) and ground lead (Black).

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Reviews (4)

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I had a question about the manual and the support team responded within minutes. They were very helpful. Excellent service!
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This service manual is an absolute must-have for any Yamaha Big Wheel 350 owner. The detailed diagrams made repairs so much easier!
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I found this manual very comprehensive. It covers everything from basic maintenance to troubleshooting. A great value!
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The download process was incredibly smooth. I received the email with the link almost immediately. Highly recommend!