Basic Information Identification Make: Yamaha Model: Bruin 350 4WD / Grizzly 350 4WD Model Variant: Hunter Year: 2011 Vehicle Type: All-Terrain Vehicle (ATV) Primary Application: Recreation, Hunting, Utility Introduction Market Position Target Audience: Owners of 2011 Yamaha Bruin 350 4WD and Grizzly 350 4WD ATVs, specifically those performing maintenance, repairs, or overhauls. Competitive Analysis Value Proposition: The highest quality Yamaha manual available, offering dealer-level technical information in a user-friendly digital format. Key Features Manual Quality Claim: Guaranteed best manual for Yamaha, identical to what Yamaha dealers use. Format Advantage: Computer-generated PDF allows for clear, zoomable text and images, unlike scanned manuals. Manual Details Coverage Areas Manual Title: 2011 Yamaha BRUIN 350 4WD / HUNTER / GRIZZLY 350 4WD / HUNTER ATV Service Repair Maintenance Overhaul Manual PDF Download Covered Models: 2011 Yamaha Bruin 350 4WD, 2011 Yamaha Bruin 350 4WD Hunter, 2011 Yamaha Grizzly 350 4WD, 2011 Yamaha Grizzly 350 4WD Hunter Page Count Estimated Page Count: Comprehensive (specific count not provided, but implied to be extensive for a full service manual) Manual Type Manual Type: Service Repair Maintenance Overhaul Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine System: Complete engine overhaul, disassembly, assembly, inspection, lubrication, timing, cooling system. Fuel System: Carburetor specifications, adjustment, cleaning, fuel pump, fuel filter, fuel tank maintenance. Drivetrain System: All-wheel drive (4WD) system operation, maintenance, differential overhaul, driveshafts, U-joints. Transmission System: Automatic transmission (CVT) maintenance, belt inspection, clutch assembly, gear lubrication. Braking System: Hydraulic brake system, caliper maintenance, brake pad replacement, bleeding procedures, master cylinder. Suspension System: Front and rear suspension, shock absorber adjustment and replacement, A-arms, bushings, steering knuckles. Steering System: Handlebar assembly, steering stem, tie rods, steering linkage, alignment. Electrical System: Wiring diagrams, ignition system, lighting, starter motor, charging system (stator, regulator/rectifier), battery maintenance. Frame And Bodywork: Frame inspection, plastic body panel removal and installation, seat, fenders, racks. Cooling System: Radiator, coolant, fan operation, thermostat. Exhaust System: Muffler, exhaust pipe inspection and replacement. Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, spark plug service, lubrication points. Troubleshooting Guides: Diagnostic procedures for common and uncommon problems, symptom-based troubleshooting trees. Repair Procedures: Step-by-step instructions for component disassembly, repair, and reassembly. Overhaul Procedures: Detailed instructions for complete engine, transmission, and drivetrain component overhauls. Inspection Procedures: Visual inspections, measurement specifications, wear limits for critical components. Electrical Diagnostics: Testing of electrical components, wiring harness troubleshooting, use of multimeters. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts. Covers detailed rebuilds and diagnostics. Diagrams And Illustrations: Includes exploded diagrams before disassembly sections for easy part identification and assembly guidance. Sequential Procedures: All procedures are organized in a sequential, step-by-step format for clarity and ease of use. Manual Specifications File Format File Type: PDF Print Quality Image Quality: High quality, computer-created, not a scan. Allows for zooming without blurring of text and images. Binding Type Binding Type: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) Searchability Text Searchability: Likely searchable due to computer-created format, enhancing ease of finding information. Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 2-valve Engine Displacement: 348cc Bore X Stroke: 83mm x 64.5mm Compression Ratio: 9.2:1 Performance Horsepower: Approx. 20-22 HP (estimated, varies with specific model tune) Torque: Approx. 20-22 lb-ft (estimated) Fuel System Fuel Delivery: Mikuni BSR33, 33mm carburetor Fuel Type: Unleaded gasoline (87 octane recommended) Cooling System Cooling Method: Liquid-cooled Ignition System Ignition Type: TCI (Transistor Controlled Ignition) Starter System Starter Type: Electric start Transmission Standard Transmission Type: Automatic (Yamaha Ultramatic® CVT) Drive System: Shaft drive with On-Command® 4WD (selectable 2WD/4WD) Features Cvs Features: Engine braking, variable ratio, automatic centrifugal clutch. Fluid Specifications Transmission Fluid Type: Yamaha's recommended specific CVT fluid or equivalent (refer to manual for exact spec, likely Yamalube) Dimensions Exterior Length: Approx. 76.8 inches (1950mm) Width: Approx. 42.1 inches (1070mm) Height: Approx. 44.5 inches (1130mm) Weights Dry Weight: Approx. 562 lbs (255 kg) Ground Clearance: Approx. 10.8 inches (275mm) Towing Capacity: Not specified for towing, designed for cargo or trail use. Cargo Front Rack Capacity: Approx. 88 lbs (40 kg) Rear Rack Capacity: Approx. 176 lbs (80 kg) Wheels Tires Front Tire Size: AT25x8-12 Rear Tire Size: AT25x10-12 Wheelbase: Approx. 48.5 inches (1230mm) Safety Features Ratings Atv Safety Standards: Adheres to ANSI/SVIA standards for ATVs. Active Features Braking System Type: Hydraulic disc brakes front and rear. Passive Features Chassis Design: Sturdy steel frame, ergonomic seating position for rider control. Technology Features Infotainment Infotainment Features: Not applicable; ATVs of this era typically do not feature infotainment systems. Driver Assistance Driver Assistance Features: Limited to the functionality of the CVT system for consistent power delivery and engine braking. Connectivity Connectivity Features: Not applicable; no onboard connectivity features. Maintenance Service Intervals Engine Oil Change Interval: Refer to manual (typically every 1000-1500 miles or 6 months, but always check...
Yamaha's recommended specific CVT fluid or equivalent (refer to manual for exact spec, likely Yamalube)
Dimensions
Exterior
Length:
Approx. 76.8 inches (1950mm)
Width:
Approx. 42.1 inches (1070mm)
Height:
Approx. 44.5 inches (1130mm)
Weights
Dry Weight:
Approx. 562 lbs (255 kg)
Ground Clearance:
Approx. 10.8 inches (275mm)
Towing Capacity:
Not specified for towing, designed for cargo or trail use.
Cargo
Front Rack Capacity:
Approx. 88 lbs (40 kg)
Rear Rack Capacity:
Approx. 176 lbs (80 kg)
Wheels Tires
Front Tire Size:
AT25x8-12
Rear Tire Size:
AT25x10-12
Wheelbase:
Approx. 48.5 inches (1230mm)
Safety Features
Ratings
Atv Safety Standards:
Adheres to ANSI/SVIA standards for ATVs.
Active Features
Braking System Type:
Hydraulic disc brakes front and rear.
Passive Features
Chassis Design:
Sturdy steel frame, ergonomic seating position for rider control.
Technology Features
Infotainment
Infotainment Features:
Not applicable; ATVs of this era typically do not feature infotainment systems.
Driver Assistance
Driver Assistance Features:
Limited to the functionality of the CVT system for consistent power delivery and engine braking.
Connectivity
Connectivity Features:
Not applicable; no onboard connectivity features.
Maintenance
Service Intervals
Engine Oil Change Interval:
Refer to manual (typically every 1000-1500 miles or 6 months, but always check manual for specific recommendations based on usage).
Air Filter Cleaning:
Frequent checks and cleaning/replacement based on dusty conditions, recommended at 100-300 hour intervals.
Spark Plug Replacement:
Typically around 4000-5000 miles or as per manual inspection.
Fluid Specifications
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40, API SG or higher, JASO MA)
Engine Oil Capacity:
Approx. 1.70 US qt (1.6 L) with oil filter replacement.
Coolant Type:
Permanent type antifreeze (50/50 mix with distilled water)
Known Issues
Common Wear Items:
CVT belt wear, brake pad wear, wheel bearing wear, exhaust pipe leaks (in older models).
Carburetor Cleaning:
Carburetors can become clogged with debris or stale fuel, requiring periodic cleaning and adjustment for optimal performance.
4Wd System Maintenance:
Proper maintenance of the 4WD system, including fluid checks and U-joint lubrication, is crucial for longevity.
Vehicle History
Brand Heritage
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing durable and reliable ATVs, starting with the iconic 'Tri-Z' and 'Warrior'.
Model Evolution
Bruin Grizzly Lineage:
The 350cc class ATVs, including the Bruin and Grizzly, have evolved from earlier Yamaha models, offering a balance of utility and recreational capability.
Production
Production Era:
The 350cc platform has been a consistent offering in Yamaha's ATV lineup, with updates and variations like the Grizzly nameplate.
Awards & Recognition
Recognitions
Atv Awards:
While specific awards for the 2011 350 models are not prominently advertised, Yamaha ATVs consistently receive positive reviews for reliability and performance within their class.