2007 Yamaha YZ250W Service Manual

2007 YZ250W troubleshooting and repair reference: diagnostics, removal sequences, and maintenance for engine, chassis, and electrical systems. Abe008

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Document Details

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Document Number / Seller:
28790 / Charles Jackson
File Size:
10.56 MB
File Type:
PDF
Language:
English
Pages:
270
Printable:
Yes
Category:
Motorbike
Last updated / verified
Feb 1, 2025

Models Covered & Key Technical Specifications

Yamaha YZ250W (2007) - Official Service Manual & Repair Procedures

This manual provides comprehensive coverage for your 2007 Yamaha YZ250W.

  • Calibrated Weight Data: 96.0 kg without oil and fuel is established at the base curb weight.
  • System Net Mass: For USA and CDN, 21.0 cm3 dictates the combustion chamber capacity.
  • Critical Output Density: For USA and CDN, 0.5~0.6 mm dictates the spark plug gap specification.
  • Universal Capacity Limits: For USA and CDN, 21.0 cm3 dictates the combustion chamber capacity.
  • Core Energy Draw: 0.18 mm dictates the ignition timing (B.T.D.C.) parameter.
  • Standard Angular Speed: 6 mm is set to the minimum spark gap specification.

Professional Workshop Service Manual & Technical Specifications

Reference-Grade Diagnostic Factory Manual: Motorcycle 2007 Yamaha YZ250W - Official Service Manual & Repair Procedures Specification-Set

Year-Coverage: 2007 // Model-Portfolio: YZ250W // Year-Coverage: 2007.

Service-Nexus Value Framework
107 270 pages Documentation
2007 Yamaha YZ250W Motorcycle Model
Fuel Type Premium Unleaded Gasoline Specification Type
Engine Type Liquid cooled 2-stroke, gasoline Engine Configuration
Transmission 5-speed constant mesh Gearbox Specification
Front Suspension Telescopic fork Suspension Type

Maintenance information covers the following systems: engine, chassis, electrical, and tuning. Procedures include detailed disassembly, assembly, inspection, and adjustment steps for various components. Key systems covered include the engine (cylinder head, crankshaft, clutch), chassis (front fork, rear shock absorber, wheels), electrical system (ignition, wiring), and tuning. Torque specifications are provided for critical fasteners to ensure proper assembly and operation.

This manual details engine procedures such as cylinder head removal and inspection, piston and ring installation, and power valve service. Chassis procedures cover front and rear wheel assembly, brake system maintenance, and front fork disassembly and adjustment. Electrical system information includes ignition timing and component checks. Tuning procedures offer guidance for optimizing engine performance. The manual also documents specific maintenance intervals and troubleshooting guidance to assist owners in keeping their Yamaha YZ250W in optimal condition.

FAQ

What **essential** testing parameters are specified for the ignition timing? keyboard_arrow_down

0.18 mm (0.007 in) is the specified ignition timing (B.T.D.C.) parameter for the Yamaha YZ250W.

Check the **correct** diagnostic procedures for the engine oil type. keyboard_arrow_down

Yamalube 4 (10W-30) or SAE 10W-30 SE motor oil is recommended for transmission oil changes.

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

1.20 L (1.06 Imp qt, 1.27 US qt) is the coolant capacity, including all routes, for the Yamaha YZ250W.

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Reviews (2)

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Rated 4 out of 5 stars
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This manual has been a lifesaver for keeping my 2019 YZ250 in top shape. The download process was seamless, and the support team was incredibly responsive when I had questions. Great resource!