Segment:
Entry-level to mid-range utility ATV, known for reliability and versatility.
Target Audience:
Recreational riders, hunters, farmers, and light utility users.
Key Competitors:
Honda FourTrax 300/350, Suzuki King Quad 300/340, Polaris Sportsman 400.
Engine Type:
Reliable and torquey air-cooled 348cc SOHC engine.
Transmission Type:
Yamaha's Ultramatic® automatic transmission with engine braking.
Suspension Type:
Independent front and rear suspension for improved comfort and handling.
Drive System:
On-Demand 4WD (on 4x4 models, though this manual specifies 4x2).
Durability:
Renowned Yamaha build quality and durability.
Applicable Years:
2007, 2008, 2009, 2010, 2011
Drive Type Covered:
4x2 (2WD)
Estimated Page Count:
Extensive (Specific number not provided, but indicative of a comprehensive workshop manual set)
Manual Type Offered:
Service Manual, Workshop Repair Manual, Owners Maintenance Manual
Engine System:
Complete engine disassembly, assembly, diagnosis, and repair for the 4-stroke, SOHC, 2-valve engine.
Fuel System:
Carburetor (Mikuni BSR33) diagnosis, adjustment, overhaul, and specifications.
Ignition System:
CDI system, spark plug specifications, ignition timing checks, and troubleshooting.
Transmission System:
Automatic transmission (Ultramatic®), clutch operation, belt maintenance, gear oil specifications, and internal component checks.
Drivetrain System:
Front and rear drive shafts, differentials, CV joints, and wheel hub maintenance.
Suspension System:
Front and rear independent suspension, shock absorber adjustments, bushing replacement, and alignment procedures.
Braking System:
Hydraulic disc brakes (front and rear), brake pad replacement, caliper service, brake fluid specifications, and bleeding procedures.
Electrical System:
Battery maintenance, charging system (stator, regulator/rectifier), starter motor, lighting, wiring diagrams, and component testing.
Cooling System:
Air-cooled engine with fan assist, cooling fin cleaning, and airflow management.
Frame And Bodywork:
Frame inspection, plastic body panel removal and installation, seat removal, and handlebar/control adjustments.
Wheels And Tires:
Tire pressure recommendations, tire replacement, wheel removal and installation, and lug nut torque specifications.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, lubrication points, and fluid level checks.
Troubleshooting:
Comprehensive diagnostic charts and procedures for common and uncommon issues across all major systems.
Repair Procedures:
Step-by-step instructions for component removal, overhaul, reassembly, and adjustment for virtually all parts.
Rebuilding Procedures:
Detailed instructions for engine, carburetor, and transmission rebuilding.
Wiring Diagrams:
Full electrical system schematics for accurate troubleshooting and repair.
Torque Specifications:
Precise torque values for all critical fasteners.
Special Tools:
Identification and usage instructions for any specialized tools required for specific procedures.
Depth:
Comprehensive, covering everything from basic owner maintenance to advanced engine and transmission overhaul and diagnostics.
Diagnostic Level:
Advanced diagnostic flowcharts and symptom-based troubleshooting guides.
Component Level:
Detailed breakdown and reassembly instructions for individual components within larger systems.
Engine Type:
4-stroke, SOHC, 2-valve, Air-cooled
Bore X Stroke:
83.0 mm x 64.5 mm
Carburetor:
Mikuni BSR33 (Single)
Starting System:
Electric Starter with Automatic Internal Decompression
Lubrication System:
Wet Sump
Horsepower Estimated:
Approx. 20-22 HP (Source dependent, not officially published for all models)
Torque Estimated:
Approx. 20-22 lb-ft (Source dependent, not officially published for all models)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
3.7 L (1.0 gal) (including 0.6 L reserve)
Transmission Type:
Ultramatic® V-belt automatic with engine braking
Drive Select:
H (High), L (Low), N (Neutral), R (Reverse)
Optional Transmission:
N/A (Ultramatic® is standard for this model)
Engine Braking:
Full-time engine braking provided by the Ultramatic® system.
Clutch:
Automatic centrifugal clutch
Drive Shaft:
Shaft driven, sealed driveshaft
Atv Safety Standards:
Meets ANSI standards (typical for ATVs of this era).
Engine Braking:
Provides significant control on descents.
Parking Brake:
Internal transmission parking mechanism.
Hand Guards:
Standard handlebar guards for hand protection.
Footwells:
Wide, rugged composite floorboards with built-in heel guards.
Seat:
Comfortable, ergonomic seat for rider stability.
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months.
Air Filter Cleaning:
Every 500 km (300 miles) or 3 months; replace as needed.
Spark Plug Check:
Every 1,000 km (600 miles) or 6 months.
Transmission Oil Change:
Every 2,000 km (1,200 miles) or 12 months.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40) API SG, SH, SJ or higher, SE or SF type oils are acceptable.
Engine Oil Capacity:
1.70 L (1.80 US qt) without filter change; 1.90 L (2.01 US qt) with filter change.
Transmission Oil Type:
Yamaha Gear Oil (or equivalent SAE 80 API GL-4)
Transmission Oil Capacity:
0.20 L (0.21 US qt)
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid
Common Wear Items:
Drive belt wear, wheel bearings, suspension bushings, and brake pad wear are common wear items on ATVs of this age and usage.
Carburetor Issues:
Carburetors can become clogged with debris or varnish if fuel sits for extended periods, potentially leading to starting or running issues.
Electrical Connections:
Corrosion or looseness in electrical connectors can cause intermittent faults.
Manufacturer:
Yamaha Motor Corporation, known for its long history in powersports and innovation.
Predecessor:
The Grizzly 350 4x2 evolved from Yamaha's successful line of utility ATVs, building upon the legacy of models like the Kodiak.
Key Updates Within Generation:
Minor cosmetic changes and potential internal component refinements over the 2007-2011 period. The core platform remained consistent.
Production Period Covered:
2007-2011 model years.
Manufacturing Location:
Typically manufactured by Yamaha in Japan or its international facilities.
