Vehicle Type:
Utility Snowmobile
Target Audience:
Trail riders, utility users, hunters, trappers seeking reliable performance in various snow conditions.
Key Competitors:
Ski-Doo Tundra, Polaris Frontier, Arctic Cat Jag.
Bravo Attributes:
Renowned for its robust build, simple yet effective design, and excellent low-end torque for utility tasks. Often praised for its reliability and ease of maintenance.
Engine Service:
Complete overhaul, component replacement, lubrication, cooling system, fuel system.
Drivetrain:
Clutch system, drive belt, chain case, drive axle, skis, track.
Electrical System:
Ignition system, lighting, charging system (stator, rectifier/regulator), starter motor, battery, wiring diagrams.
Suspension And Steering:
Front suspension (trailing arm), rear suspension (slide rail), shock absorbers, steering assembly, idler wheels.
Brakes:
Hydraulic brake system, caliper, master cylinder, brake fluid, brake pads.
Body And Chassis:
Frame, body panels, seat, handlebars, windshield, snow flap.
Routine Maintenance:
Lubrication points, fluid checks and changes, filter replacement, track tension adjustment.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based fault finding.
Engine Rebuild:
Detailed steps for engine disassembly, inspection, repair, and reassembly.
Carburetor Service:
Cleaning, adjustment, and rebuilding of the carburetor system.
Electrical Diagnostics:
Component testing, wiring harness troubleshooting, electrical component repair.
Diagnostic Tools:
Information on specialized tools and test equipment required for diagnostics.
Specifications And Tolerances:
Precise measurements, torque values, clearances, and tolerances for all components.
Wiring Diagrams:
Comprehensive and detailed electrical wiring schematics for all models and configurations.
Engine Type:
2-Stroke Single Cylinder
Bore X Stroke:
67.0 mm x 70.0 mm
Cooling System:
Fan Cooled
Horsepower:
Approx. 20-22 HP (varies slightly by model year calibration)
Torque:
Strong low-end torque delivery for pulling and climbing.
Carburetor:
Mikuni VM30SS (typical configuration)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
Oil Mixture:
Pre-mix or Auto-lube system (check manual for specific configuration)
Transmission Type:
Automatic CVT (Continuously Variable Transmission)
Drive System:
Chain Drive
Clutch System:
Yamaha Drive Clutch (Primary) and Yamaha Driven Clutch (Secondary)
Gear Ratios:
Internal reduction gears within the chain case, specific ratios detailed in manual.
Chaincase Oil:
Yamalube Gear Oil (specific viscosity, e.g., SAE 80W-90, consult manual for exact spec)
Overall Length:
Approx. 107 inches (2718 mm)
Overall Width:
Approx. 40.2 inches (1021 mm)
Track Width:
Approx. 36 inches (914 mm)
Ski Stance:
Approx. 36 inches (914 mm)
Rack Capacity:
Integrated rear cargo rack for bags and gear.
Dry Weight:
Approx. 463 lbs (210 kg)
Crash Test Results:
N/A (Snowmobile safety standards differ from automotive)
Braking System:
Hydraulic disc brake with single piston caliper.
Throttle Limiter:
Some models may feature a throttle limiter for young riders or specific conditions.
Headlight And Taillight:
Standard lighting for visibility.
Hand Guards:
Typically equipped to protect hands from wind and debris.
Display Features:
Basic digital or analog instrumentation (speedometer, tachometer, fuel gauge, warning lights).
Traction Control:
N/A (Mechanical CVT system)
Gps Integration:
N/A (Accessory dependent)
Oil Change Chaincase:
Every 100-150 hours or annually. Consult manual for specific mileage/time interval.
Spark Plug Replacement:
Recommended every 50-75 hours or annually. Check gap regularly.
Drive Belt Inspection:
Inspect at every ride, replace as needed based on wear and tear. Recommended replacement every 1500-2000 miles or per manual.
Track Tension Adjustment:
Check and adjust as needed, especially after initial break-in or heavy use.
Coolant Type:
Yamaha Supercoolant (or equivalent antifreeze for liquid-cooled engines, though Bravo is fan-cooled, check manual for any potential fluid checks).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Carburetor Fouling:
Can be susceptible to fuel varnish build-up if not run regularly or if stale fuel is used. Requires periodic cleaning.
Drive Belt Wear:
Regular inspection and replacement is crucial for proper drivetrain performance.
Track Tension Drift:
Track tension can loosen over time, requiring regular checks and adjustments to prevent derailment.
Yamaha Snowmobile History:
Yamaha has a long-standing history in snowmobile manufacturing, known for innovative designs and reliable powertrains.
Bravo Legacy:
The Bravo series is a continuation of Yamaha's commitment to utility-focused snowmobiles, building on previous designs known for durability and practicality.
Manufacturing Origin:
Japan
