1982–2009 Yamaha BR250T, BR250TS, and BR250TJ Bravo OEM Service Manual (P/N LIT-12618-00–41)

• Covers 1982–2009 Yamaha BR250T, BR250TS, and BR250TJ snowmobiles (246cc air-cooled, single-cylinder two-stroke)
• Official Yamaha publication: P/N 8BD-008101, LIT-12618-00–41 (revision 1/82)
• Includes 40 exploded-view diagrams, 3 full circuit wiring schematics, and 6 torque specification tables
• Details critical components like the Keihin BD32-28 carburetor, Throttle Override System (T.O.R.S.), Autolube oil pump, recoil starter, flywheel magneto, slide rail suspension, track drive sprockets, and caliper disc brake
• Features essential visual aids including circuit diagrams, job instruction charts, cable routing views, high altitude tuning charts, block diagrams, and sectional sketches
• High-contrast file resolution ensures clear electrical circuit tracing and component identification
• Your primary 181-page reference for engine top-end, transmission, and chassis maintenance

Component and System Documentation

This factory manual delivers the exact specifications needed for maintaining the Yamaha BR250 series. Having the exact factory tolerances cuts diagnostic time in half for any technician or DIY mechanic. As a high-resolution PDF, it allows you to independently handle every repair that typically requires an expensive dealership visit. It provides precise step-by-step procedures for complex tasks such as calibrating the Autolube oil pump stroke, re-jetting the carburetor for high-altitude conditions, adjusting track deflection, and executing a complete primary clutch sheave repair.

The powertrain section breaks down the V-belt automatic transmission, primary sheave disassembly, and drive track alignment. For electrical work, you get comprehensive coverage of the CDI system, lighting circuits, and ignition troubleshooting. Dedicated engine and chassis chapters cover internal tolerances, suspension geometry, and fuel system configuration. Working on high-rpm two-stroke equipment carries inherent risks; always verify your local safety protocols and cross-reference the manual's safety warnings before beginning any tear-down.

Technical Data and Service Values

Technical specifications for the 1982–2009 run include strict wear limits and torque settings for critical assemblies. For example, cylinder bore tolerances are documented at 70.00–70.02 mm, giving you clear parameters to assess engine health. You will find the exact torque sequence for the primary clutch sheave mounting bolt: initially set to 100 Nm (72 ft-lb), followed by a final tightening to 60 Nm (43 ft-lb).

Electrical reference values are just as precise, listing the CDI magneto pickup coil resistance at 20 ohms at 20°C (68°F). Lubrication requirements for all shafts and pivots are explicitly detailed to prevent premature wear. Understanding how factory workshop documentation is structured helps you navigate these critical dimensions, tolerance limits, and wiring data efficiently without missing essential maintenance steps.