The 2005 YFM125GT Grizzly is an entry-level All-Terrain Vehicle (ATV) designed for recreational use, particularly appealing to younger riders. This ATV is characterized by its automatic transmission, shaft drive, electric start, and comfortable seating, all wrapped in the rugged styling associated with the Grizzly nameplate. The reputation for engineering quality and reliability underpins the YFM125GT, making it an accessible and user-friendly option for navigating various terrains. Its robust frame, compliant suspension, and integrated braking system contribute to a stable and safe riding experience, further enhanced by features like a throttle limiter for speed control.
This owner's manual provides comprehensive guidance for the safe operation, routine maintenance, and basic care of your 2005 YFM125GT Grizzly. It covers essential areas including machine identification, controls, pre-operation checks, riding techniques, periodic maintenance schedules, cleaning, and storage procedures. Key systems such as the chassis, engine, drivetrain, suspension, brakes, and electrical system are addressed with a focus on fundamental owner-level knowledge. By following the procedures outlined, owners and technicians can effectively maintain the vehicle, ensuring its longevity and optimal performance.
Model Designation:
Grizzly
Vehicle Type:
ATV (All-Terrain Vehicle)
Generation:
First Generation (Grizzly 125 series)
Vin Code Digit:
5 (for 2005 model year)
Market Position:
Entry-level youth/recreational ATV, positioned as an accessible and user-friendly option for younger riders or casual trail use.
Competitive Analysis:
Competed with other 125cc class ATVs from manufacturers like Honda (TRX125), Suzuki (LT-F160 variants), and Arctic Cat (DVX 100/200 series, though often smaller displacement).
Key Features:
Automatic transmission, shaft drive, electric start, comfortable seating, rugged Grizzly styling, user-friendly controls.
Coverage Areas:
Safety, Machine Identification, Controls, Pre-operation Checks, Operation, Riding Techniques, Periodic Maintenance, Cleaning, Storage, Specifications
Manual Type:
Owner's Manual
Manual Purpose:
To provide the owner with essential information for safe operation, routine maintenance, and basic care of the 2005 Yamaha YFM125GT Grizzly ATV.
Systems Covered:
Chassis, Engine, Drivetrain, Suspension, Brakes, Electrical System (basic operation and maintenance focus)
Procedures Included:
Pre-ride inspections, basic operation, throttle/brake control, gear selection, rider positioning, engine oil checks, tire pressure, chain adjustment (if applicable), air filter cleaning, battery maintenance, cleaning recommendations, storage procedures
Technical Depth:
Covers fundamental owner-level knowledge for safe operation and basic maintenance. Does not include in-depth diagnostic procedures or component-level repair instructions typically found in a service manual.
File Format Details:
PDF, viewable with Adobe Reader, searchable text
Print Quality:
Printable, designed for user printing at home or office
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Engine Type:
4-stroke, SOHC, air-cooled
Bore X Stroke:
52.0 mm x 57.5 mm
Carburetor:
Mikuni VM17SS
Valve Train:
SOHC (Single Overhead Camshaft)
Horsepower:
Approx. 8.7 HP @ 7500 RPM (estimated, based on class)
Torque:
Approx. 7.3 lb-ft @ 6000 RPM (estimated, based on class)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Fuel Tank Capacity:
2.3 L (0.6 US gal)
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SE, SF, SG type
Ignition System:
CDI (Capacitor Discharge Ignition)
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Drive System:
Shaft Drive
Drive Modes:
2WD (Rear Wheel Drive)
Gear Selection:
Forward, Neutral, Reverse
Transmission Fluid Type:
Yamaha Marine Gear Oil 10W-40 or equivalent
Overall Length:
1670 mm (65.7 in)
Overall Width:
970 mm (38.2 in)
Overall Height:
985 mm (38.8 in)
Wheelbase:
1110 mm (43.7 in)
Ground Clearance:
150 mm (5.9 in)
Front Tire Size:
AT18 x 7-8
Rear Tire Size:
AT18 x 9-8
Dry Weight:
143 kg (315 lbs)
Curb Weight:
147 kg (324 lbs) (with all necessary fluids)
Front Rack Capacity:
10 kg (22 lbs)
Rear Rack Capacity:
20 kg (44 lbs)
Safety Certification:
Meets ANSI/SVIA standards for Class I youth ATVs.
Active Safety Features:
Thumb throttle with adjustable limiter (for speed control), integrated braking system, engine braking (via CVT), durable chassis design.
Throttle Limiter:
Yes, adjustable (part of safe operation guidance)
Passive Safety Features:
Full floorboards, handlebar pads, anti-kickback steering, sturdy frame, front and rear grab bars, compliant suspension for stable handling.
Warnings And Precautions:
The manual heavily emphasizes the importance of wearing a helmet, eye protection, protective clothing, and following all safety guidelines related to age, supervision, and riding environment.
Infotainment System:
N/A (Basic recreational ATV with no electronic infotainment features)
Driver Assistance Features:
N/A (No electronic driver assistance systems)
Connectivity Features:
N/A
Lighting System:
Dual Halogen headlights (12V 35/35W x 2), LED taillight/brake light.
Engine Oil Change Interval:
Every 1000 km (600 mi) or 6 months, whichever comes first.
Air Filter Cleaning Interval:
Every 500 km (300 mi) or 3 months, inspect more frequently in dusty conditions.
Spark Plug Inspection Interval:
Every 1000 km (600 mi)
Valve Clearance Check Interval:
Every 4000 km (2500 mi)
Engine Oil Capacity:
0.90 L (0.95 US qt) without filter change, 1.00 L (1.05 US qt) with filter change.
Brake Fluid Type:
DOT 3 or DOT 4
Coolant Type:
N/A (Air-cooled engine)
Known Issues:
As with many smaller displacement ATVs, potential issues may include carburetor gumming if fuel sits for extended periods, CVT belt wear (normal for the system), and general maintenance needs like battery care and lubrication. The manual addresses preventative measures for many of these.
Common Tasks Covered:
Checking and topping up engine oil, cleaning or replacing the air filter, checking tire pressure, inspecting brake operation, cleaning the spark arrestor, lubricating pivot points, battery terminal cleaning.
Brand Heritage:
Yamaha has a long-standing history of producing reliable and high-performance powersports vehicles, including ATVs, since the 1980s. The 'Grizzly' nameplate is synonymous with robust and capable off-road machines.
Model Evolution:
The YFM125GT Grizzly was part of Yamaha's initiative to offer smaller displacement ATVs for a wider range of riders, particularly younger enthusiasts. It built upon the success of larger Grizzly models by adapting the styling and features to a smaller platform.
Production Years:
The Grizzly 125 series was produced for several years, with the YFM125GT being a specific iteration in the early to mid-2000s.
Recognitions:
No specific industry awards are widely documented for this particular model, but it contributed to Yamaha's overall reputation for reliable recreational ATVs in its class.
Ratings:
Generally well-regarded for its ease of use and suitability for younger riders, contributing to its popularity in the entry-level segment.
