Positioning:
The Yamaha Bravo BR250 LT was positioned as a reliable, entry-level to mid-range utility and trail snowmobile, known for its durability and ease of operation.
Competitors:
Competed with models from Ski-Doo (e.g., Safari), Arctic Cat (e.g., Jag), and Polaris (e.g., Indy Lite) in its respective performance and price segments.
Features:
Robust chassis, comfortable riding position, straightforward mechanicals contributing to its longevity and widespread appeal for recreational trail riding and light utility tasks.
Applicable Years:
1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Estimated Page Count:
Comprehensive (Specific count not provided, but typical for this scope)
Manual Type:
Service Manual / Repair Manual / Workshop Manual / Owner's Information
Engine:
Detailed engine removal, installation, and overhaul procedures, specifications, troubleshooting.
Fuel System:
Carburetor adjustment, cleaning, fuel pump, fuel lines, and tank service.
Lubrication And Cooling:
Oil pump, lubrication system components, cooling system maintenance, coolant specifications.
Transmission Drive Chain Sprockets:
Drive train inspection, adjustment, chain maintenance, sprocket replacement, and related components.
Steering System:
Handlebar assembly, steering post, skis, and related steering linkage service.
Shocks Suspension:
Front and rear suspension inspection, maintenance, shock absorber service, and related components.
Electrical System:
Ignition system, lighting, battery, charging system, wiring diagrams, and component testing.
Bodywork Chassis:
Body panel removal/installation, seat, track, and chassis inspection and maintenance.
Intake Exhaust:
Airbox, intake manifold, exhaust system inspection and maintenance.
Routine Maintenance:
Recommended service intervals, lubrication points, pre-ride inspections, and general upkeep.
Troubleshooting:
Systematic diagnostic procedures for common and advanced issues, fault finding guides.
Component Overhaul:
Detailed instructions for disassembling, cleaning, inspecting, repairing, and reassembling key components.
Adjustments:
Carburetor, throttle, brake, and chain adjustments with specified parameters.
Depth:
Comprehensive, covering everything from basic owner maintenance to advanced engine and electrical diagnostics and repair.
Engine Type:
Two-stroke, air-cooled single-cylinder (Typical for this era and model, specific displacement may vary within the range)
Displacement:
Approximately 246cc (BR250 series designation suggests this)
Horsepower Range:
Estimated 20-30 HP (Varies by year and specific tuning, typical for a 250cc class utility snowmobile of this era)
Carburetor Type:
Single Mikuni VM or similar carburetor (Specific model to be detailed in manual)
Fuel Type:
Unleaded gasoline (Recommended octane to be specified in manual)
Oil Mixture:
Pre-mix or oil injection system (Manual will specify which system is utilized and the recommended oil ratio).
Routine Checks:
Daily/Pre-ride checks: Track tension, coolant level (if applicable), oil level, throttle operation, brake function. Hourly/Mileage checks: Spark plug condition, chain lubrication, suspension lubrication.
Major Service:
Annually or every 100-200 operating hours: Carburetor cleaning and adjustment, coolant flush (if liquid-cooled variant exists or for track cooling), chain and sprocket inspection/replacement, bearing lubrication.
Engine Oil:
2-stroke engine oil meeting API TC or JASO FD specifications (Specific brand/viscosity recommendations in manual).
Coolant:
Ethylene glycol-based antifreeze with corrosion inhibitors (if liquid-cooled system is present, manual to specify type and mixture ratio).
Chain Case Oil:
Yamaha recommends specific chain case lubricants or SAE 80W-90 gear oil (Manual to provide exact specification and capacity).
Common Wear Items:
Drive belt wear, clutch engagement issues, track lugs wear, spark plug fouling (especially with improper fuel/oil mix or short-distance operation), carburetor jets clogging.
Engine Reliability:
Generally reliable 2-stroke engines, but proper maintenance is crucial to prevent overheating or lubrication failures. Piston and ring wear are common with high mileage.
Heritage:
Yamaha has a long-standing reputation for building reliable and durable powersports vehicles, including snowmobiles, with a focus on engineering and performance.
Evolution:
The Bravo BR250 LT line represents Yamaha's commitment to the utility and recreational trail segment, with gradual refinements and updates occurring over its production run.
Production Span:
1982-2009, indicating a long and successful production life, a testament to its design and market appeal.