Production Years Covered:
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Engine Codes Typically Found:
Generic Yamaha 250cc 2-stroke, specific designations may vary by sub-model or year
Positioning:
Essential resource for Yamaha Bravo 250 Series snowmobile owners and technicians seeking to maintain factory specifications and ensure longevity.
Advantage:
Provides factory-level detail and accuracy, often exceeding the scope of generic online guides or owner's manuals.
Instant Access:
Immediate download upon purchase, allowing for prompt use in repair scenarios.
Comprehensiveness:
Covers all years and specifications within the Bravo 250 Series, including supplemental information for complete repair.
Primary Coverage:
Complete maintenance, repair, overhaul, and troubleshooting of Yamaha Bravo 250 Series snowmobiles (BR250)
Secondary Coverage:
Advanced troubleshooting, factory specifications, maintenance schedules
Estimated Page Count:
Varies, but comprehensive repair manuals typically range from 300-600 pages
Type:
Factory Authorized Service Manual / Repair Manual
Format:
PDF (Portable Document Format)
Engine System:
Disassembly, assembly, lubrication, cooling, carburetion, ignition, exhaust, fuel delivery, engine diagnostics, tuning
Drivetrain System:
Clutch (primary and secondary), drive chain, drive sprockets, driven sprockets, torque converter operation and service
Suspension System:
Front suspension (skis, A-arms, shocks), rear suspension (bogey wheels, shocks, springs, rails), adjustments, alignment
Electrical System:
Ignition system, lighting, starter system, battery, charging system, wiring diagrams, component testing
Brake System:
Hydraulic brake system, caliper, master cylinder, brake fluid, bleeding procedures, component inspection and replacement
Chassis And Body:
Frame inspection, seat, handlebars, controls, body panels, track system, tunnel maintenance
Fuel And Oil Systems:
Fuel tank, fuel lines, fuel filter, oil injection system (if applicable), oil specifications
Routine Maintenance:
Pre-ride inspection, lubrication points, track tension adjustment, brake adjustment, coolant checks, spark plug replacement
Disassembly And Assembly:
Step-by-step instructions for major component removal and reinstallation
Troubleshooting Guides:
Diagnostic charts for common problems, symptom-based troubleshooting, specific fault code diagnosis
Rebuilds And Overhauls:
Detailed instructions for engine rebuilds, transmission overhauls, and suspension component refurbishment
Wiring Diagrams:
Comprehensive electrical system schematics for fault finding and repair
Depth:
Comprehensive, covering all aspects from basic maintenance to complete engine and drivetrain rebuilds, including advanced diagnostics.
Engine Type:
2-stroke, 250cc class, typically fan-cooled
Bore X Stroke:
Specific to BR250 model, usually found in manual specifications (e.g., 69.0 mm x 67.0 mm for some 250cc Yamaha engines)
Compression Ratio:
Refer to manual for exact specification
Horsepower Range:
Typically in the 20-30 HP range, depending on exact model year and tuning.
Torque:
Refer to manual for specific torque figures and RPM
Carburetor Type:
Mikuni VM series or similar, specific model number and jetting detailed in manual.
Fuel Type:
Unleaded gasoline, Octane rating specified in manual (typically 87 or higher).
Oil Type:
2-stroke engine oil, JASO FD or equivalent, specific viscosity and brand recommendations in manual.
Oil Injection System:
If equipped, manual details operation, maintenance, and oil type. Some models may require pre-mix.
Type:
CVT (Continuously Variable Transmission) with automatic clutch engagement
Reverse Gear:
Some Bravo models may feature a reverse gear, detailed in manual.
Clutch Service:
Detailed procedures for primary and secondary clutch inspection, cleaning, adjustment, and component replacement.
Drive Belt:
Specifications for belt dimensions, condition checks, and replacement intervals.
Overall Length:
Varies by specific Bravo 250 sub-model, consult manual for precise dimensions.
Overall Width:
Varies by specific Bravo 250 sub-model, consult manual for precise dimensions.
Track Width:
Refer to manual for track dimensions and engagement.
Dry Weight:
Typically in the range of 450-550 lbs, consult manual for exact specifications.
Oil Change:
For 2-stroke, focus is on oil injection system maintenance and checking oil level, not traditional oil changes. Manual provides specific checks.
Spark Plug Replacement:
Recommended every 1,000-2,000 miles or annually, specific intervals detailed in manual.
Clutch Inspection:
Regular inspection recommended, especially before heavy use or at the start of the season. Manual provides guidelines.
Track Tension:
Check and adjust track tension seasonally and as needed. Manual provides correct tension specifications and adjustment procedures.
Brake Fluid Type:
DOT 3 or DOT 4, as specified in the manual for the hydraulic brake system.
Coolant Type:
For fan-cooled engines, typically requires periodic inspection of any liquid-cooled components (e.g., clutches if applicable), but mainly focuses on air cooling. Specific coolant types, if any, will be in manual.
Carburetor Clogging:
Common in 2-strokes with fuel sitting for extended periods. Manual provides cleaning and troubleshooting steps.
Drive Belt Wear:
Normal wear item, but premature failure can indicate clutch alignment or engagement issues, which the manual addresses.
Suspension Component Wear:
Bushings, bearings, and shocks can wear over time. Manual guides inspection and replacement.
Heritage:
Yamaha has a long-standing reputation for producing reliable and durable snowmobiles, known for their engineering and performance in varied conditions.
Evolution:
The Bravo series is known for its utility and trail-riding capabilities, often featuring a robust chassis and dependable engine for its class. This generation represents Yamaha's continued refinement of its 250cc platform.
Manufacturing Location:
Typically manufactured by Yamaha Motor Corporation, with production facilities historically in Japan and North America.