Category:
Utility Snowmobile
Target User:
Work, trail riding, and recreational use in varied snow conditions.
Competitors:
Competed with other entry-level to mid-range utility snowmobiles from manufacturers like Ski-Doo (Tundra series), Arctic Cat, and Polaris during its production run.
Durability:
Known for robust construction and reliability, suitable for demanding use.
Simplicity:
Generally featured simpler, proven technology for easier maintenance and longevity.
Covered 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:
Varies based on specific model year and included sections, but typically comprehensive for extensive coverage.
Type:
Service Repair Manual (Workshop Manual)
Engine:
Complete engine overhaul, diagnosis, tuning, components (pistons, rings, crankshaft, valves, camshafts), cooling system.
Carburetion:
Carburetor identification, disassembly, cleaning, adjustment, troubleshooting, fuel delivery system.
Powertrain:
Clutch operation (drive and driven), belt maintenance, gear case disassembly and inspection, chain drive (if applicable).
Chassis:
Skid frame, suspension components (shocks, springs, torque arms), track system, tunnel inspection and repair.
Brakes:
Brake system inspection, pad replacement, caliper service, hydraulic system bleeding, brake disc service.
Steering:
Handlebar assembly, steering post, tie rods, spindle inspection, lubrication, alignment adjustments.
Frame:
Frame inspection for damage, straightening procedures, component mounting points.
Electrical:
Ignition system, lighting, starter motor, battery maintenance, wiring diagrams, troubleshooting electrical faults.
Cooling System:
Coolant type, capacity, inspection, radiator service, thermostat operation.
Maintenance:
Scheduled maintenance, lubrication points, adjustments, filter replacements, belt checks, spark plug replacement.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding guides.
Repair:
Detailed step-by-step instructions for disassembly, repair, reassembly of all major components and systems.
Rebuilding:
Comprehensive guides for engine and component rebuilds, including specifications for wear limits and clearances.
Diagnostics:
Component testing procedures, electrical system diagnostics, engine performance testing.
Depth:
Professional technician level, covering everything from basic adjustments to full engine and transmission overhauls. Includes detailed diagrams and specifications for accuracy.
Configuration:
Typically a single-cylinder, two-stroke engine.
Displacement:
Approximately 246cc (exact specifications may vary slightly by year).
Cooling Method:
Fan-cooled (air-cooled).
Horsepower Range:
Estimated between 20-30 HP, depending on year and tuning.
Carburetor:
Single Mikuni carburetor (specific model number varies by year, often a VM series).
Fuel Type:
Regular Unleaded Gasoline (typically 87 octane), mixed with 2-stroke oil for lubrication.
System:
CDI (Capacitor Discharge Ignition).
Overall Length:
Varies slightly by year and model, but generally around 105-110 inches.
Overall Width:
Typically around 35-40 inches.
Dry Weight:
Around 350-400 lbs, depending on specific configuration.
Fuel Capacity:
Approximately 4.0-4.5 gallons.
Crash Test Results:
N/A (Snowmobiles are not typically subject to formal automotive crash testing).
Braking System:
Hydraulic disc brake on the driveshaft or track drive system.
Throttle Safety:
Thumb throttle with a safety interlock mechanism.
Kill Switch:
Engine kill switch located on the handlebars.
Lighting:
Headlight, taillight, and brake light for visibility.
Dashboard:
Basic analog gauges including speedometer, tachometer, and essential warning lights (e.g., oil, engine temperature if equipped).
Assist Systems:
Minimal; primary focus is on mechanical reliability and rider control.
Features:
No electronic connectivity features expected.
Oil Change:
Not applicable for 2-stroke engines; requires regular oil-fuel mixture.
Spark Plug Replacement:
Typically every 1,000-1,500 miles or as per manual recommendations, depending on usage.
Clutch Inspection:
Regular visual inspection of drive and driven clutches for wear, belt condition, and roller/sheave condition. Recommended every 500 miles or annually.
Track Tension:
Check and adjust track tension according to manual specifications, typically every 500 miles or as needed.
2 Stroke Oil:
API-TC rated or JASO FD certified synthetic or semi-synthetic 2-stroke oil. Always consult the manual for specific Yamaha recommendations (e.g., Yamalube 2-S).
Gearcase Oil:
Yamaha recommends specific gear oil for its gear cases. Consult the manual for part number and viscosity (e.g., Yamalube Gear Oil).
Carburetor Fouling:
Can be susceptible to carburetor gumming or fouling from stale fuel or improper oil mixture. Regular cleaning and proper storage are key.
Track Wear:
Aggressive use or improper tension can lead to premature track wear.
Clutch Belt Slippage:
Worn clutches or a worn/improperly tensioned belt can cause slippage, loss of power, and overheating.
Engine Seizure:
Often due to lack of lubrication (incorrect oil mix or faulty oil injection system), overheating, or detonation.
Manufacturer:
Yamaha Motor Corporation, known for its long history in motorcycles, marine engines, and musical instruments, extended into snowmobiles with a focus on reliability and performance.
Development:
The Bravo 250 was designed as a durable, entry-level utility snowmobile, emphasizing simplicity and cost-effectiveness. Its long production run indicates a successful formula catering to a specific market segment.
Manufacturing Origin:
Primarily manufactured in Japan and/or North America by Yamaha.