2012 Yamaha Grizzly 300, YFM30GB Service Manual

Comprehensive repair guide for the 2012 Yamaha Grizzly 300 (YFM30GB). Covers all aspects from general maintenance to detailed engine and chassis procedures. Includes specifications and troubleshooting. Ref: LIT-11616-25-16

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Document Details

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Document Number / Seller:
30765 / Peter Allen
File Size:
38.30 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Jul 11, 2025

Models Covered & Key Technical Specifications

Yamaha Grizzly 300 (2012) (LIT-11616-25-16) - 2012

Service Manual | Repair Procedures Repository.

  • Documented Wattage Specs: 12 V battery capacity provides ample power for essential operations.
  • Technical Generation Capacity: 12.0 Ah battery capacity ensures reliable electrical system performance.
  • Universal Core Specs: 300cc engine displacement offers robust performance capabilities.
  • Core Rated Capacity: 38.3 MB file size contains extensive technical data for service.
  • Rated Enclosure Specs: Steel frame construction ensures structural integrity and durability.
  • Prescribed Fastener Specs: 60 Nm torque is specified for engine mounting bolts to secure the assembly.

Professional Workshop Service Manual & Technical Specifications

Precision Diagnostic Diagnostic Manual: Yamaha Grizzly 300 Service Manual (2012) - Maintenance & Repair Procedures (2012) System-Standards

Repair-Classification: Grizzly 300 // Design-Core: ATV / Engine Logic // Repair-Classification: Diagnostic Procedures.

TABLE

Metric Technical-Path Calibration-Data
Engine 300cc Liquid cooled, 4-stroke, SOHC
Transmission V-belt Shaft drive
Brakes Dual disc Front and Rear
Suspension Double wishbone Independent Swingarm
Electrical DC-CDI AC-Magneto
Tires Tubeless AT22 x 7-10 (Front) / AT22 x 10-9 (Rear)

Repair procedures are structured around the following chapters:

  • General Information: Covers machine identification, important information, and special tools.
  • Specifications: Details general, engine, chassis, and electrical specifications.
  • Periodic Checks and Adjustments: Outlines maintenance schedules and adjustment procedures for various systems.
  • Engine: Provides in-depth procedures for engine removal, cylinder head, camshaft, valves, and piston.
  • Cooling System: Documents radiator, thermostat, and water pump checks and installations.
  • Troubleshooting: Offers guidance for diagnosing and resolving common issues.

This manual provides a structured framework for understanding the various systems and components of the Yamaha Grizzly 300. It details essential maintenance and repair procedures, ensuring proper operation and longevity of the ATV. Fundamentally requiring adherence to these guidelines, the manual aids in performing adjustments and inspections for optimal performance. The document includes torque specifications for critical engine components to ensure proper fastener fatigue prevention.

FAQ

Identify the **correct** service interval parameters for routine maintenance? keyboard_arrow_down

300 km is the initial service interval for oil and fuel tank checks, with subsequent intervals at 1300, 2500, and 5000 km. Refer to page 3-1 for the complete maintenance chart.

What procedures are **documented** for the cooling system architecture? keyboard_arrow_down

82.0 - 85.0 °C (179.6 - 185.0 °F) is the specified operating range for the thermostat, with instructions on checking and replacing it. See page 5-4 for details.

Determine the **precise** tool requirements for engine adjustments? keyboard_arrow_down

90890-03079 (Narrow gauge set) and YM-34483 are required for measuring valve clearance, while the Tappet adjusting tool (90890-01311 / YM-A5970) is used for adjustments. Refer to page 3-10.

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Reviews (4)

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This service manual made my maintenance tasks so much easier. The troubleshooting section was particularly useful!
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The diagrams really helped clarify the procedures. A must-have for anyone working on a YFM30GB!
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Rated 4 out of 5 stars
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I received my download link quickly, and the manual has everything I need. Highly recommend!