Segment:
Utility and Trail Snowmobile
Target Audience:
Owners seeking reliable, straightforward snowmobile performance for work, utility, and light trail riding.
Competitors:
Arctic Cat Bearcat, Polaris Indy, Ski-Doo Tundra (during its respective production eras)
Engine Type:
Reliable, air-cooled two-stroke engine known for simplicity and durability.
Chassis Design:
Robust and utilitarian chassis optimized for stability and load-carrying capacity.
Track System:
Wide track for enhanced flotation in powder and off-trail conditions.
Engine:
Complete engine assembly, disassembly, inspection, lubrication, cooling system, fuel system, exhaust system, engine management system (carburetor, ignition)
Transmission:
Drive system, driven clutch, primary clutch, chain case, lubrication, maintenance
Chassis:
Frame, suspension (front and rear), skis, track, steering system, lubrication
Electrical:
Ignition system, lighting system, charging system, wiring diagrams, troubleshooting electrical faults, starter system
Bodywork:
Body panels, seat, storage compartments, decals, maintenance of exterior components
Controls:
Throttle, brake lever, handlebars, choke operation
Maintenance:
Regular inspection, lubrication points and schedule, filter replacements, spark plug maintenance, clutch service, track adjustment
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides
Repair:
Detailed step-by-step repair instructions for all major systems, component replacement procedures
Rebuild:
Engine rebuild procedures, clutch rebuild instructions
Disassembly Assembly:
Complete procedures for component removal and reinstallation
Depth:
In-depth technical information suitable for professional mechanics and advanced DIY enthusiasts
Diagnostics:
Advanced diagnostic procedures, testing specifications for electrical and mechanical components
Tolerances:
Specific wear limits, clearance specifications, and torque values for all critical components
Format Details:
Searchable PDF, printable pages
Quality:
High-resolution scans of original factory manual content
Binding:
N/A (Digital PDF Download)
Paper Type:
N/A (Digital PDF Download)
Engine Type:
2-Stroke, Fan-Cooled
Bore X Stroke:
65.0 mm x 74.0 mm
Compression Ratio:
7.2 : 1 (Typical for this era's 2-strokes)
Cylinder Arrangement:
Single Cylinder
Horsepower Est:
Approximately 18-22 HP (Estimated, actual may vary)
Torque Est:
Not typically published in user manuals, but sufficient for utility tasks.
Carburetor Type:
Mikuni VM30SS (Typical for this model)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
Oil Mixture:
Pre-mix or Oil Injection (Manual will specify which variant)
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Fan-Cooled
Type:
CVT (Continuously Variable Transmission) with Automatic Clutch
Options:
N/A for this model year range
Drive System:
Chain Drive
Gear Reduction:
Single-speed (Forward, Neutral, Reverse may be present depending on specific sub-model).
Chain Case Oil:
Yamaha Genuine Gear Oil or equivalent (Manual will specify viscosity and capacity)
Overall Length:
Approx. 2,850 mm (112.2 in)
Overall Width:
Approx. 1,020 mm (40.2 in)
Overall Height:
Approx. 1,120 mm (44.1 in)
Dry Weight:
Approx. 195 kg (430 lbs)
Seating Capacity:
1 Person
Rack Capacity Rear:
Designed for utility and light cargo carrying (Specifications in manual).
Safety Standards:
Adheres to applicable snowmobile safety standards of its production era.
Braking System:
Hydraulic Disc Brake (Typically rear-mounted)
Throttle Control:
Thumb-operated throttle lever with safety interlock.
Hand Guard:
Standard handguards for protection from elements and branches.
Kill Switch:
Emergency engine kill switch lanyard.
Initial Service:
Refer to manual for break-in period procedures and initial inspection (typically 10-20 hours).
Oil Change Chain Case:
Every 50-100 hours or annually, whichever comes first (Manual will provide exact interval).
Spark Plug Inspection:
Every 20-30 hours or annually.
Clutch Inspection:
Every 50-100 hours or annually.
Fuel:
Unleaded Gasoline, minimum 87 octane.
2 Stroke Oil:
Yamalube 2-Stroke or equivalent high-quality TC-W3 rated oil (if oil injected). Pre-mix ratio specified in manual.
Chain Case Oil:
Yamaha Genuine Gear Oil or SAE 80W-90 GL-4 gear oil.
Common Wear Items:
Drive belts, clutch weights, carburetor jets due to fuel variations, track lugs (depending on usage).
Carburetor Cleaning:
Periodic cleaning may be required due to gumming from fuel additives or moisture.
Suspension Bushings:
Wear in suspension bushings can occur over time, affecting ride quality.
Brand Focus:
Yamaha is renowned for its engineering prowess across motorcycles, marine products, and snowmobiles, emphasizing reliability and performance.
Bravo Lineage:
The Bravo series has a long-standing reputation for durability and utility, originating with earlier models like the Bravo 250 that preceded this generation.
Production Period:
The BR250 Bravo 250 was produced across multiple generations, with this manual covering the 2002-2009 iteration, characterized by updates in styling and minor mechanical refinements.
Manufacturing Location:
Typically manufactured in Japan or North America by Yamaha Motor Corporation.
