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Yamaha

Yamaha ATV 2004-2007 YFM 350 400 BRUIN GRIZZLY Repair Manual [Improved]

Yamaha ATV 2004-2007 YFM 350 400 BRUIN GRIZZLY Repair Manual [Improved]

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Vehicle data plateRef 23114
Brand
Yamaha
Vehicle
ATV
Models covered
BRUIN, Bruin Models, GRIZZLY, YFM 350, YFM 400
Years
2004, 2005, 2006, 2007
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Yamaha
Model Family:
Bruin / Grizzly
Model Codes:
• YFM350A
• YFM350FA
• YFM400FA
Model Years Covered:
2004, 2005, 2006, 2007
Vehicle Type:
All-Terrain Vehicle (ATV)
Generation
Generation:
First Generation (for these specific models/years)
👋 Introduction
Market Position
Target Audience:
ATV Owners, DIY Mechanics, Service Technicians
Competitive Analysis
Value Proposition:
Provides factory-level repair information, enhanced digital features (bookmarks, search), and superior quality compared to scanned alternatives.
Key Features
Manual Enhancements:
Improved PDF with bookmarks, sub-bookmarks, searchability, and index for efficient navigation.
Coverage Breadth:
Covers all specified Yamaha Bruin and Grizzly models for the 2004-2007 model years.
📋 Manual Details
Coverage Areas
Manual Type:
Factory Repair Manual
Language:
English
Format:
Improved PDF Download
Digital Features:
• Bookmarks
• Sub bookmarks
• Searchable Text
• Index
Compatibility:
• ALL Windows
• ALL Mac
• ALL Linux
Download Type:
Instant Download
Physical Options:
• Printable Pages
• Burn Backup CD
Page Count
Page Count Estimate:
Hundreds of Pages
📖 Manual Coverage
Systems Covered
Primary Systems:
• General Information
• Specifications
• Periodic Checks & Adjustments
• Chassis
• Engine
• Cooling System
• Fuel Injection System
• Electrical System
• Troubleshooting
• Wiring Diagrams
Procedures Included
Maintenance Procedures:
• Fluid changes (oil, coolant)
• Filter replacements (air, oil, fuel)
• Spark plug inspection/replacement
• Chain/belt adjustments
• Brake system checks and adjustments
• Suspension adjustments
• Tire pressure checks
• Battery maintenance
Repair Procedures:
• Engine overhaul (top end, bottom end)
• Carburetor/Fuel Injection system service
• Ignition system diagnosis and repair
• Transmission service and repair
• Drivetrain (CVT, drive shafts) service
• Brake system overhaul (calipers, lines, master cylinder)
• Suspension component replacement (shocks, A-arms)
• Steering system service
• Electrical system diagnosis (wiring, components)
• Lighting system repair
• Cooling system leak repair and component replacement
• Frame and bodywork repairs
Technical Depth
Depth Of Coverage:
Complete Factory-Level Repair and Service
Diagnostic Capabilities:
Comprehensive Troubleshooting Guide
📊 Manual Specifications
File Format
File Type:
PDF
Print Quality
Quality Description:
Improved Quality (NOT A SCAN!)
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download, Printable)
⚙️ Engine Specifications
Primary Engine
Engine Type 350:
Air-cooled, 4-stroke, SOHC, 2-valve
Engine Type 400:
Liquid-cooled, 4-stroke, SOHC, 2-valve
Displacement 350:
348cc
Displacement 400:
386cc
Bore Stroke 350:
Approx. 83.0 mm x 64.5 mm
Bore Stroke 400:
Approx. 82.0 mm x 71.0 mm
Compression Ratio 350:
Approx. 8.8:1
Compression Ratio 400:
Approx. 8.7:1
Performance
Horsepower Estimate 350:
Approx. 19-20 HP @ 6000 RPM
Torque Estimate 350:
Approx. 20-21 lb-ft @ 4500 RPM
Horsepower Estimate 400:
Approx. 22-24 HP @ 6000 RPM
Torque Estimate 400:
Approx. 24-26 lb-ft @ 4500 RPM
Fuel System
Fuel Delivery 350:
Carburetor (Mikuni BSR33)
Fuel Delivery 400:
Fuel Injection (Electronic Fuel Injection - EFI)
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
Approx. 3.7 gallons (14 Liters)
🔧 Transmission
Standard
Transmission Type:
Automatic (Yamaha Constant Velocity Transmission - Y.C.V.T.)
Drive Modes:
• 2WD
• 4WD (selectable)
Gear Selection:
• High (H)
• Low (L)
• Neutral (N)
• Reverse (R)
• Park (P)
Features
Drive System:
Shaft Drive (with front differential)
📐 Dimensions
Exterior
Overall Length:
Approx. 77.2 in (1960 mm)
Overall Width:
Approx. 43.7 in (1110 mm)
Overall Height:
Approx. 45.3 in (1150 mm)
Wheelbase:
Approx. 49.2 in (1250 mm)
Weights
Dry Weight Approx:
Approx. 560-580 lbs (254-263 kg) depending on 2WD/4WD
Ground Clearance:
Approx. 7.1 in (180 mm)
🛡️ Safety Features
Ratings
Atv Safety Standards:
Manual provides guidance adhering to general ATV safety principles.
Active Features
Braking System:
Hydraulic disc brakes (front and rear)
Passive Features
Lighting:
Halogen headlights, taillight/stoplight
Ergonomics:
Designed for rider control and comfort during operation.
💡 Technology Features
Infotainment
Infotainment System:
N/A (Basic Utility ATV)
Driver Assistance
Driver Assistance Features:
N/A
Connectivity
Connectivity Options:
N/A
🔧 Maintenance
Service Intervals
Oil Change Interval:
Refer to manual for specific mileage/hour intervals (typically every 100-200 operating hours or annually).
Air Filter Cleaning:
Frequent checks recommended, especially in dusty conditions. Cleaning/replacement interval varies.
Spark Plug Inspection:
Refer to manual for recommended intervals (e.g., every 500-1000 operating hours).
Fluid Specifications
Engine Oil Type:
Yamalube (or equivalent SAE 10W-40, API SG or higher, JASO MA certified)
Engine Oil Capacity:
Approx. 1.8 US qt (1.7 L) (with filter change)
Coolant Type 400:
Ethylene Glycol based antifreeze (50/50 mix with distilled water)
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid
Gear Oil Type:
Yamalube SAE 80 Hypoid Gear Oil (or equivalent)
Known Issues
Common Wear Items:
• Brake pads
• Tires
• CVT belt
• Spark plugs
• Air filter
Potential Engine Issues:
Carburetor gumming (if fuel sits), occasional starter solenoid issues, normal wear and tear on piston rings and valve seats.
Potential Drivetrain Issues:
CVT belt wear, potential issues with front differential seals or bearings under heavy use.
📚 Vehicle History
Brand Heritage
Yamaha Atv Legacy:
Yamaha has a long-standing history and reputation for producing reliable and high-performance ATVs, dating back to the introduction of the first three-wheelers.
Model Evolution
Bruin Grizzly Lineage:
The Bruin and Grizzly lines represent Yamaha's entry into and expansion of the utility ATV market, focusing on capability, durability, and rider comfort.
Production
Manufacturing Location:
Typically manufactured in Japan or at Yamaha's overseas facilities.
🏆 Awards & Recognition
Recognitions
Industry Awards:
Not specifically listed for these models, but Yamaha ATVs are generally well-regarded for their reliability and performance in their class.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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