The Grizzly 350 IRS, model codes YFM350 and YFM35FGIW, is a robust 4x4 All-Terrain Vehicle (ATV) known for its reliability and off-road capability. This first-generation model, produced between 2007 and 2009, features an automatic transmission and is engineered for utility and recreation. The legacy in powersports ensures a durable and capable machine, with its independent rear suspension (IRS) providing enhanced comfort and control over varied terrain. The Grizzly 350 IRS is designed to tackle demanding tasks and adventurous trails alike, reflecting a commitment to quality engineering.
This comprehensive factory service manual provides in-depth repair, service, maintenance, and troubleshooting information for the Grizzly 350 IRS ATV. It covers all essential systems, including the engine management, chassis and suspension, electrical system, and drivetrain. With detailed step-by-step instructions, diagrams, and troubleshooting guides, this manual is an indispensable resource for owners, DIY enthusiasts, and professional mechanics. It empowers users to perform routine maintenance, diagnose issues, and execute repairs, ensuring the longevity and optimal performance of their vehicle.
Model Code:
YFM350 / YFM35FGIW
Vehicle Type:
ATV (All-Terrain Vehicle)
Transmission Type:
Automatic
Generation Designation:
First Generation (specific to YFM350 platform)
Target Audience:
Owners, DIY enthusiasts, professional ATV mechanics and workshops
Value Proposition:
Provides factory-level repair and maintenance information, saving money on professional services. Enhanced digital features (bookmarks, searchable text) offer superior usability compared to basic scans.
Manual Features:
Comprehensive coverage, improved digital format, instant download, 100% satisfaction guarantee
Years Covered:
2007, 2008, 2009
Models Covered:
YFM 350 Grizzly IRS Auto 4x4
Estimated Pages:
Hundreds (exact count not specified, but indicated as comprehensive)
Type:
Factory Service Manual / Repair Manual
Purpose:
Repair, Service, Maintenance, Troubleshooting, Restoration, Diagnosis
Format:
Digital Download (PDF)
File Types:
PDF, potentially zipped (.zip) or archived (.rar)
Accessibility:
Compatible with Windows, macOS, Linux
Quality Description:
Improved quality, not a scan, searchable text, bookmarks, sub-bookmarks, index
Printing Capability:
Printable pages
Backup Capability:
Can be burned to backup CD/DVD
Delivery:
Instant Download
Licensing:
No printing or saving restrictions
Engine Management:
Fuel Injection System, Cooling System
Chassis And Suspension:
Chassis, Independent Rear Suspension (IRS)
Electrical System:
Complete Electrical System, Wiring Diagrams
Drivetrain:
4x4 System, Transmission (Automatic)
General Components:
General Information, Specifications
Maintenance:
Periodic Checks & Adjustments, Preventative Maintenance
Repair:
Step-by-step repair instructions for all covered systems
Troubleshooting:
Detailed troubleshooting guides to diagnose and fix problems
Rebuilding:
Rebuild procedures for key components
Depth:
Comprehensive factory-level detail, suitable for DIY and professional mechanics
Illustrations:
Illustrated with clear, step-by-step instructions, diagrams, exploded views
File Size Potential:
Up to 5 GB (depending on compression and content)
Quality Enhancements:
Improved Quality (NOT A SCAN!)
Binding:
Digital (No physical binding)
Paper Type:
N/A (Digital format)
Engine Type:
4-stroke, SOHC, 2-valve
Bore X Stroke:
83.0 mm x 64.5 mm (typical for this engine family)
Cooling System:
Liquid-cooled
Horsepower Estimated:
Approx. 21-23 HP (at RPM)
Torque Estimated:
Approx. 20-22 lb-ft (at RPM)
Fuel Delivery:
Fuel Injection
Ignition System:
TCI (Transistor Controlled Ignition)
Recommended Oil Viscosity:
Yamalube 4 (10W-40 or 20W-50 depending on climate) or equivalent SAE 10W-40 or 20W-50 API SG, SH, SJ or SL service category oil
Oil Capacity:
Approximately 2.4 Liters (2.5 US qt) with oil filter change (exact value in manual)
Transmission Type:
Automatic (Yamaha Ultramatic® Transmission)
Gear Selection:
High, Low, Neutral, Reverse, Park
Drive Modes:
2WD/4WD with On-Command®
Transmission Fluid Type:
Yamaha's recommended transmission fluid or equivalent SAE 10W-30 API SE, SF, SG lubricant (exact spec in manual)
Length:
Approx. 78.1 in (1985 mm)
Width:
Approx. 43.7 in (1110 mm)
Height:
Approx. 43.1 in (1095 mm)
Dry Weight:
Approx. 562 lbs (255 kg)
Ground Clearance:
Approx. 10.2 in (260 mm)
Towing Rating:
1,255 lbs (569 kg)
Rack Capacity Front:
99 lbs (45 kg)
Rack Capacity Rear:
187 lbs (85 kg)
Braking System Front:
Dual hydraulic disc
Braking System Rear:
Dual hydraulic disc
Lighting:
Dual halogen headlights, LED tail/brake light
Infotainment System:
N/A (ATV, typically no integrated infotainment)
Assistance Features:
On-Command® 4WD system
Connectivity Features:
N/A
Oil Change Interval:
Every 1,000 km (600 miles) or 6 months, whichever comes first (refer to manual for precise intervals based on usage).
Air Filter Cleaning:
Check and clean every 500 km (300 miles) or monthly; replace as needed.
Spark Plug Replacement:
Every 5,000 km (3,000 miles) or annually (refer to manual for exact specs).
Coolant Type:
High-quality ethylene glycol-based coolant with corrosion inhibitor (pre-mixed 50/50 recommended) - refer to manual for specific Yamaha coolant or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (refer to manual for exact specification)
Common Wear Items:
Brake pads, tires, drive belt (Ultramatic), suspension bushings, wheel bearings
Potential Issues:
Fuel injector clogging (rare with clean fuel), starter solenoid wear, occasional minor electrical connection issues.
Manufacturer:
Yamaha Motor Company is renowned for its history in motorcycles, marine engines, and powersports vehicles.
Grizzly Lineage:
The Grizzly line has a strong reputation for durability, utility, and off-road capability. The YFM350 model introduced or refined features like independent rear suspension (IRS) and fuel injection for this displacement class.
Manufacturing Location:
Primarily Japan and/or USA