Coolster CHALLENGER GK-6125A 2018 Manual

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Robin Hays

April 27, 2025

Air filter size/type,

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Mr. Anderson

May 15, 2025

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Summary of Contents for Coolster CHALLENGER GK-6125A 2018

Page 1 www.coolster.com...
Page 2 OWNER’S MANUAL CHALLENGER GK-6125A...
Page 3: Table Of Contents
TABLE OF CONTENTS Safety Foreword..............Pre-Ride Checklist..............Safe Riding Guidelines............. Safety Alerts................Vehicle Descrip�on..............Warning Signs................Vehicle Recogni�on..............Control Func�ons..............Pre-Ride Inspec�on Check ............Opera�on and Riding Rules............. Regular Maintenance and Minor Repairs........ Troublshoo�ng Common Problems......... Cleaning, Storage, & Transporta�on........Installa�on process a�er packaging........
Page 4: Safety Foreword
MAXTRADE LLC at 626-228-0251. For training purposes, please call ASI at 800-887-2887. We also have an a�er-hours safety hotline at 800-307-3429. Thank you once again for choosing Coolster products. We wish you many years of safe and pleasant riding.
Page 5: Pre-Ride Checklist
PRE-RIDE CHECKLIST Going through our pre-ride checklist before opera�on of the vehicle is highly recommended to minimize risk of injury or death. Before riding your Coolster vehicle, make sure to always have/understand the following: - A DOT approved helmet, - Proper safety googles, - Protec�ve armor given the weather and terrain.
Page 6: Safe Riding Guidelines
SAFE RIDING GUIDELINES A Go-Kart handles diﬀernetly from other vehicles and may pose a serious risk of injury to the rider or others if the rider is not properly informed. If precau�ons are not taken, dangerous accidents such as collision rollovers can occur even during rou�ne maneuvers such as turning or driving on hills or obstacles.
Page 7 9. Never a�empt any tricks or stunts. 10. Always inspect the vehicle before use to make ensure that it is in safe opera�ng condi�on. Always follow the maintenance and inspec�on procedures described in this manual. 11. To reduce risk of injury to limbs, make sure to always keep arms, legs, feet, and hands inside the vehicle during opera�on.
Page 8 18. Always follow proper procedures for crossing the side of hills according to the instruc�ons in this manual. Avoid hills wiht slippery or loose surfaces. Never a�empt to turn the vehicle around on any hill, and avoid crossing steep hillsides en�rely if possible. 19.
Page 9: Safety Alerts
SAFETY ALERTS WARNING The use of this vehicle can pose risks of serious injury or death, so please read the following instruc�ons before opera�on. Make sure to familiarize yourself with the signs on the bo�om of the page. 1. When approaching corners or turning, reduce speed. You can gradually increase the speed a�er comple�on of the turn.
Page 10 DESCRIPTION (1)Spare tire (2)Seat (3)Steering wheel (4)Windshield (5)Rearview mirror (6)Gear shi�er lever (10) (7)Front guard (8)Engine hood panel (9)Safety belt (10)Reserve fuel tank (11)Front wheel (12)Rear wheel (11) (12) (13) (14) (15) (16) (18) (19) (13)Shi�er indicator (14)Igni�on key switch (15)Kill switch (16)Signal switch (17)Head light switch...
Page 11: Warning Signs
WARNING SIGNS The warning signs with the word "WARNING" indicate the existence of poten�al risks that may result in serious injury or death. Please read and follow the instruc�ons on each decal carefully. In the event any decal become illegible or comes oﬀ, contact your dealer for a replacement.
Page 12: Vehicle Recogni�On
VEHICLE RECOGNITION You can iden�fy the model and make of your vehicle with the VIN (Vehicle iden�ﬁca�on number) located near the swing arm. Please use the pictures located below for reference. 1. VIN plate number and product VIN (See left picture) 2.
Page 13: Control Func�Ons
CONTROL FUNTIONS 1. Igni�on key switch Loca�on Func�ons Key state All circuits disconnected Pull out Circuit is connected (Brake Not pull out light works) 2. Kill switch This is the whistle button，When the vehicles or pedestrians need to whistle when clicking. 3.
Page 14 4. Front & Rear Brake Pedal The front & rear brake pedal is the front le� foot pedal. Stepping on the pedal will ac�vate the front and rear brakes. Using this pedal will ac�vate the brakes on all four wheels simultaneously. 5.
Page 15 7. Start To use the electric start, step on the brake pedal, then press the start switch. 8. Gearshi� Control This vehicle uses a semi-automa�c centrifugal clutch. There are three main gears on this machine; D (Forward), N (Neutral) & R (Reverse).
Page 16: Pre-Ride Inspec�On Check
PRE-RIDE INSPECTION CHECK Prior to the use of this vehicle, please check the following: Item Normal checks Brake Check all brakes for ﬂuid levels, func�onality, and need for adjustments. Free play the brake pedal to make sure the mechanisms are work. Make sure the ﬂuids are not leaking.
Page 17 Fuel Check Warning: ● Do not more than the allowed amount of fuel. Otherwise, the fuel will overﬂow and can cause damage to the vehicle. If fuel spills, avoid it from touching the engine. Recommended fuel: 91"petrol Fuel tank capacity: Total: 4L The reserve tank on the rear is for AETHESTIC PURPOSES ONLY.
Page 18 Recommended oil -20°-10°0°10° 20°30°C SAE 20W40 SF Engine oil SAE 10W30 SF Engine oil SAE 5W30 SF Engine oil Oil: Total: 0.9 L Regular replacement of oil: 0.8 L Oil Filters replacement: Does deforma�on, damage. Tire Check 1. Tire pressure Before opera�ng, always check and adjust �re pressure.
Page 19: Opera�On And Riding Rules
OPERATION AND RIDING RULES Cold Start and engine preheating Note: This vehicle only uses the brake motor starter switch to start. Squeeze the engine brake handle on to start. Make sure the choke is on before a�emp�ng to start. 1. Turn igni�on switch to the "•" posi�on. 2.
Page 20 Hand brake 1. When the car is running, always ensure hand brake is released. 2. Hand brake must be pulled after parking or leaving the vehicle Brake Braking: Proper braking can minimize the risk of hi�ng obstacles, pedestrians, or other vehicles. Braking is broken into three sec�ons: braking decelera�on, parking brake and emer- gency brake.
Page 21 Accelera�on & Decelera�on Since the vehicle uses an automa�c centrifugal drive, accelerat- ing and decelera�ng can be controlled by the amount of thro�le. Stepping on the right foot pedal will increase the speed, and releasing it will gradually decrease the speed. Engine Maintenence Timeline From 0-1000 km, the mileage during this interval is very important..
Page 22: Regular Maintenance And Minor Repairs
REGULAR MAINTENANCE AND MINOR REPAIRS Periodic inspec�on and lubrica�on ensure the best longest livli- hood of your vehicle. Note: If you are not familiar with this vehicle’s maintenance services, ﬁnd the nearest cer�ﬁed Coolster maintenance sta�on. Regular maintenance / lubrica�on Every Ini�al...
Page 23 Brake liquid replacement (unless breakage pipe or leakage is evident) Check before each ride. Steering Adjust or lubricate if necessary Mechanism *: We suggest that these items be COOLSTER repaired at cer�- ﬁed maintenance sta�ons. **: Medium weight wheel bearing grease.
Page 24 Parts / Fasteners Prior to the use of the vehicle, ensure that all parts and fasteners are secured �ghtly. We suggest you do this during regular inspec�ons. (If the self-locking nut is destroyed, replace immediately) Correspondence tables fastening torque Standard Tightening Standard Tightening...
Page 25 2. Start motor and keep it idle un�l the oil ou�lows from caving hole. A�er a minute, if you see the oil ﬂow out or see any unusual occurence, stop the engine and bring to the nearest Coolster dealer or maintenance shop for repair.
Page 26 Idle adjustment 1. The idle screw on the carburetor can aﬀect the engine speed. The standard idle conﬁgura�on is shown below: standard ldle: 1500 ±1 50 to / min Air Filters Regular checks should be performed on air ﬁlters. Clean or replace if needed.
Page 27 Handle stall leeway should be 2 to 5 mm 1. pinch-locking nut 2. rotate length of cable and fasten screw to the appropriate area. 3. fastening the lock nut. If you have trouble adjus�ng, please visit your local Coolster dealer or repair shop.
Page 28 Adjustment of the front wheels If the vehicle encounters uneven front wheels, they can be adjusted according to the following methods. 1. Straighten steering wheel. 2. Pinch locking nut. 3. Under the drawbars, rotate for adjust- ment. Adjuster 4. Tightly lock a�er fastening nut. Locked nut Driving chain tension inspec�on Rotate the wheel several �mes to iden�fy the...
Page 29 The drive chain lubrica�on The chain includes many mutual opera�ng parts. If the chain is not properly maintained, the chain can wear quickly. It is a must to carry out regular maintenance of the chain. Regular maintenance is vital for preserving the structural integrity of the chain.
Page 30 The replacement fuse 1. The fuse box is connected to the wiring harness 2. When replacing, be mindful of the wiring and its injectors 3. With the correct installa�on of the new ampere fuse, con- nect the switch and observe the electrical installa�ons. Warning: ●...
Page 31: Troublshoo�Ng Common Problems
Troubleshoo�ng Common Problems...
Page 35 CLEANING 1. In order to keep the vehicle clean and protect the surface appearance of the pain�ng, electropla�ng should be done regu- larly. When cleaning, use a so� cloth or sponge dipped in water and cleaning liquid and gently scrub the outer surface to avoid residual buildup.
Page 36 STORAGE In order to preserve the condi�on of your vehicle, please follow the methods listed below: 1). Select and ideal parking spot. The loca�on should have security, ven�la�on, be moisture-proof, and have an�-freezing condi�ons. 2). Make sure the conditons are not too hot, cold, dry or moist for engine lubricant.
Page 37 Transport 1. The vehicle should be properly ﬁxed on the transporters. There should also be eﬀec�ve preventa�ve measures taken that can protect the vehicle against bumps, dips, or water. 2. Make sure the vehicle is securely fastened and has cushion- ing to help prevent against scratches or dents.
Page 38: P36
GK-6125A INSTALLATION PROCESS AFTER PACKAGING(1) 1. Disassembled packaging belt 2.Take out carton 3. Disassembled metal frame 4. Install front shock absorp�on 5. Install front shock absorp�on 6. Install Front wheel adjuster...
Page 39 GK-6125A INSTALLATION PROCESS AFTER PACKAGING(2) 7. Install front wheel 8. Install rear shock absorp�on 9. Install rear wheel 10. Install the backrest tube 11. Install handrail 12. Install handrail...
Page 40 GK-6125A INSTALLATION PROCESS AFTER PACKAGING(3) 13. Install safety belt 14. Install safety belt 15. Install seat 16. Install steering wheel 17. Install steering wheel 18. Install windshield stand...
Page 41 GK-6125A INSTALLATION PROCESS AFTER PACKAGING(4) 19. Install windshield stand 20. Install rearview mirror 21. Install Spare tire support 22. Install spare tire 23. Install reserve oil tank bracket 24. Install reserve oil tank bandage...
Page 42 GK-6125A INSTALLATION PROCESS AFTER PACKAGING(5) 25. Install reserve oil tank 26. Install battery 27. Fasten battery strap 28. Finished installation Torque Screw Fastening Table Tighenting Standard Tightening Standard Screw size Screw size torque N•M torque N•M torque N•M torque N•M 4.5-6.0 37-79 8-12...
Page 43: Electric Diagram
ELECTRIC DIAGRAM...
Page 44: Emissions Warranty Parts List
EMISSIONS WARRANTY PARTS LIST Fuel Metering System Igni�on System Exhaust System Emission Control System Carburetor Spark Plug Exhaut Manifold Air Cleaner Housing Air Cleaner Housing Cov. Model Year: 2018 or Later Models Importer Name: Maxtrade LLC. Manufacture Name: Zhejiang Qiye Scooter co., LTD Emission-Related Part Number # AIR CLEANER ENGINE FAMILY CARBURETOR INTAKE...
Page 45: Emission Warranty Statement
Emission Warranty Statement U.S.A. EPA Emissions Limited Warranty This All Terrain Vehicle (ATV) and Oﬀ Highway Motorcycle (OFMC) emissions limited warranty is in addi�on to the Maxtrade standard limited warranty for All Terrain Vehicles. Maxtrade warrants that this vehicle is; (1) designed, built, and equipped to conform at the �me of ini�al sale with the requirements of 40 CFR 1051 and, (2) free from defects in materials and workmanship that may keep it from mee�ng these requirements.