2012 Yamaha YZ250F(B) Service Manual

2012 Yamaha YZ250F(B) Owner's Service Manual Scope

• Covers 2012 Yamaha YZ250F(B) competition-use motorbikes, including US, Canada, Europe, Australia, New Zealand, and South African variants
• Official Yamaha publication P/N 17D-28199-32-E0, 2012 model year edition
• Includes 193 pages of technical specifications, torque values, and maintenance intervals for the YZ250F engine and chassis
• Files are stored against your account so you can retrieve them after a hard-drive loss
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• This 2012 first edition is the factory-authorized reference used for the YZ250F(B) model launch, documenting the FCR-MX39 carburetor setup and internal engine tolerances

Technical Documentation Overview

The 2012 Yamaha YZ250F(B) service manual provides specialized documentation for maintaining the 250 cm3 liquid-cooled DOHC engine and link-type monocross suspension system. It details procedures for air filter maintenance, valve clearance adjustments, and carburetor tuning, while offering guidance for chassis and electrical system inspections.

Sections dedicated to engine work cover the removal and disassembly of the cylinder head, camshafts, piston, and crankshaft. Chassis chapters address the steering head, front fork, and rear swingarm maintenance, providing the necessary how factory workshop documentation is structured to perform service on this competition machine.

Technical Specification Highlights

Standard torque values for critical fasteners are documented throughout, including cylinder head stud bolts at 15 Nm (11 ft-lb) and the primary drive gear at 75 Nm (54 ft-lb). Engine oil capacity is specified at 0.95 L for a periodic change and 1.05 L with an oil filter replacement. The coolant system capacity for the 2012 YZ250F(B) is documented at 1.00 liters. Ignition timing data is provided for the CDI magneto system. The valve clearance for the intake is listed at 0.12–0.17 mm in the cylinder head specification table. Piston-to-cylinder clearance for this model is documented at 0.030–0.055 mm. All technical data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. An official 193-page Yamaha OEM workshop manual covering the 2012 YZ250F(B), documenting engine, chassis, electrical, and carburetor-tuning specifications for the 17D-series build.