Coleman AT125Y - User Manual

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OWNER’S MANUAL

YOUTH

ATV

AT125Y 120cc

4120 E. Scye

ne Road, Mesquite, Texas 75181

champmoto.com

@colemanpowersportsusa @colemanpowersports_usa Coleman Powersports

WARNING

ALWAYS USE AN APPROVED HELMET

AND PROTECTIVE GEAR

NEVER USE ON

PUBLIC ROADS

NEVER CARRY

PASSENGERS

NEVER USE WITH DRUGS

OR ALCOHOL

NEVER operate:

• without proper traning or instruction

• at speeds too fast for your skills or the conditions

• on public roads - a collision can occure with

another vehicle

• with a passenger - passengers aect balance

and stering and increase rish of losing control

ALWAYS:

• use proper riding techniques to avoid

vehicle overturns on hills and rough

terrain and in turns

• avoid paved surfaces - pavement may

seriously aect handling and control

LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.

Improper use of ATVs can cause SEVERE INJURY OR DEATH.

WARNING

UNDER

Operating this ATV if you are

under the age of 10 increases your

chance of severe injury or death.

NEVER operate this ATV if you are

under age 16.

WARNING

NEVER ATTEMPT TO START THIS ATV WITHOUT READING

AND UNDERSTANDING THE OWNER’S / OPERATOR’S

MANUAL. THE OWNER’S OPERATOR’S MANUAL PROVIDES

INFORMATION ON SAFETY, PARTS, FUNCTIONS, PRE-RIDE

INSPECTION, STARTING AND MAINTENANCE

CAUTION

This ATV was shipped without engine

oil. Always ﬁll with the correct amount

and grade of engine oil as listed in the

owner’s manual.

Provincia

l/Municipal governments have dierent regulations

pertaining to owning and operating an o-road vehicle, learn

the regulations in your area.

4120 E. Scyene Road, Mesquite, Texas 75181

champmoto.com

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This document is the Owner's Manual for the Coleman Powersports AT125Y 120cc Youth ATV. It provides comprehensive information regarding the ATV's function, technical specifications, usage, and maintenance.

Function Description:

The Coleman Powersports AT125Y is a single-cylinder, four-stroke, air-cooled, automatic ATV with a centrifugal clutch, designed for off-road use by operators 10 years of age and older. It is not intended for use on public roads or for carrying passengers. The ATV features a 2-gear transmission gearbox (Forward and Reverse) and an adjustable speed limiter to help new riders learn control at slower speeds. Safety is a primary focus, with features like an engine stop lanyard cord and a wireless engine shut-off key fob for adult supervision. The ATV is equipped with daytime running lights, but not intended for night riding.

Important Technical Specifications:

Engine: Single-Cylinder, Four-Stroke, Air-Cooled, Automatic, Centrifugal Clutch, 120cc displacement.
Bore x Stroke: 52.4 mm x 55.5 mm.
Idle Speed: 1500 ± 150 RPM.
Start Mode: Electric start.
Ignition Method: CDI.
Spark Plug Gap: 0.06–0.085mm.
Transfer Method: Chain Drive.
Compression Ratio: 9.5:1.
Valve Clearance: I-0.03–E-0.05mm.
Spark Plug: NST/A7RTC NGK/CR6HSA.
Fuel Tank Capacity: 0.58 Gal (2.2L).
Engine Oil: SAE 15W40 (Conventional or Full Synthetic). Oil capacity is 0.8 US qt. or 0.8 liters.
Climbing Ability: ≥12°.
Acceleration Noise Level: <80dB.
Tires: Front: 19x7-8, Rear: 18x9.5-8.
Recommended Tire Pressure: 5 PSI (Front & Rear).
Max Tire Pressure: 10 PSI (Front & Rear).
Minimum Tire Pressure: 2.0 PSI (Front & Rear).
Brakes: Front Disk Brake, Rear Disc Brake (Hand Brake).
Maximum Vehicle Load: 175 LBS (79.3KG), including operator, cargo, and accessories.
Maximum Cargo Rack Carrying Capacity: 5Kg / 11Lbs.
Dimensions:
- Overall Length: 59.0 in. (1500mm).
- Overall Width: 38.5 in. (980mm).
- Overall Height: 38.1 in. (970mm).
- Seat Height: 26.3 in. (670mm).
Weight GW: 285lbs.
Battery: 12V.
Fuses: 10 Amp (Main Fuse), 5 Amp (Battery Fuse).

Usage Features:

The ATV is designed for recreational off-road use. It emphasizes safety through various warnings and instructions.

Operator Age: Intended for operators 10 years of age and older, with adult supervision required for children under 16. Operation by children under 10 is strictly prohibited due to increased risk of severe injury or death.
Safety Gear: Always requires an approved helmet, eye protection (goggles/face shield), gloves, over-the-ankle boots, long-sleeved shirt/jacket, and long pants.
Speed Limiter: Equipped with an adjustable speed limiter screw on the handlebar to restrict maximum speed. Beginners should start with the slowest setting. Adults are responsible for adjusting this and should never allow children to do so.
Engine Stop Systems: Features a lanyard cord engine stop switch (red button cap) and a wireless engine shut-off key fob for emergency stops. The ATV will not start without the lanyard cap in place. The key fob has a limited range (approx. 50ft) and should not be solely relied upon.
Ignition Switch: A key-operated switch with "ON" and "OFF" positions. The key can only be removed when in the "OFF" position.
Main Switch: An engine start/stop switch with "Run" and "Stop" positions. Must be set to "Run" to start the engine.
Start Button: Used to crank the engine. Requires brake lever application to start.
Throttle Lever: Spring-loaded to return to the start position. Must operate smoothly.
Brakes: Front and rear disc brakes, operated by levers on the handlebars. Includes parking brake functionality for both front and rear axles.
Choke Lever: Used for starting a cold engine (moved up for richer mixture). Must be returned to the down/running position once the engine warms up.
Fuel Valve: Has "ON" and "OFF" positions. Should be turned to "OFF" when transporting or storing the ATV for more than 48 hours to prevent fuel leakage and carburetor damage.
Gear Selector Lever: A 2-gear transmission (Forward "F" and Reverse "R") with a Neutral "N" position. Shifting requires applying brakes and coming to a complete stop.
Riding Techniques: Detailed instructions are provided for steering, uphill riding, downhill riding, riding on sloping surfaces, water crossings, and rough terrain. Emphasizes gradual acceleration, proper body positioning, and cautious operation.
Prohibited Use: Never operate on paved surfaces, public roads, under the influence of alcohol or drugs, with passengers, or attempt stunts like wheelies or jumps.

Maintenance Features:

The manual outlines a comprehensive periodic maintenance schedule for optimal performance and longevity.

Pre-Ride Safety Checks: A checklist to ensure safe operating condition before each use, covering fuel, engine oil, brakes, throttle lever, control cables, drive chain, wheels & tires, brake levers, chassis fasteners, and instruments & switches.
Engine Break-In: An initial 20-hour period where the ATV should not be operated above 1/2 throttle or at constant RPM to increase engine lifespan. First service recommended at 10 hours, second at 20 hours.
Engine Oil: Check oil level before each ride. Change shipping oil before first start. Use SAE 15W40. The engine assembly uses a single lubricant for engine and gearbox.
Air Filter: Oiled foam element. Inspect daily or more frequently in dusty conditions. Clean and re-lube every 20-40 hours. Never use low-flash-point solvents or gasoline for cleaning.
Spark Plug: Check condition, clean, re-gap, or replace as necessary. Tightening torque: 12 N.m (1.2 kgf.m, 8.7 lb.ft).
Drive Chain: Check slack (6.0-12.0 mm) and condition daily. Adjust and lubricate as needed. Use high-quality all-condition lube.
Pivoting Joints: Lubricate with high-quality heavy-duty grease at specified intervals. Grease nipples are located on front and rear pivoting arms and steering shaft.
Spark Arrester: Clean carbon buildup from the screen. Check for damage.
Battery: Charge with a trickle charger when not in regular use. Do not overcharge (max 2 Amp, max 8 hours). Battery electrolyte is corrosive and requires caution during handling.
Fuses: Located under the seat. Replace blown fuses with the specified amperage (10 Amp main, 5 Amp battery).
Carburetor: Coleman recommends using a fuel stabilizer to prevent residue buildup, especially if stored for 20 days or more.
Washing: Use a garden hose and mild detergent. Avoid high-pressure washers on muffler outlet, under seat area, engine stop button, brake master cylinder, drive chain, carburetor, and wheel hubs. Lubricate drive chain after washing.
Vehicle Identification: VIN located on the right side of the frame behind the front bumper. Engine number located on the bottom left of the crankcase.
Warranty: 90-day limited warranty for manufacturing defects. Emissions Control System Warranty covers 5,000 km or 30 months. Maintenance records are important for warranty claims.