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Xray XT8 - User Manual

Xray XT8
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XR AY XT8' 22 & XRAY XT8E' 22
INSTRUCTION MANUAL

Questions and Answers

  • J
    Jennifer MyersAug 22, 2025
    What to do if my Xray XT8 Motorized Toy Car engine starts but then stalls?
    • H
      Heidi HopkinsAug 22, 2025
      If your Xray Motorized Toy Car engine starts but then stalls, it could be due to a few reasons. The fuel tank might be empty, so ensure it's filled. Clogged fuel lines, fuel filter, air cleaner, or muffler could also cause this issue; clean or replace any clogged parts. An improperly adjusted carburetor can also lead to stalling; readjust the idle and main/slow needle adjusting screw. Lastly, the engine might have overheated; allow it to cool down and open the main needle adjusting screw 30° turn richer (CCW).
  • Z
    Zachary FreemanAug 23, 2025
    How to fix a hard to control Xray Motorized Toy Car?
    • V
      Vincent MartinezAug 25, 2025
      If your Xray Motorized Toy Car is hard to control, it may be due to weak transmitter or receiver batteries; try recharging or replacing them. Low reception from the radio antennas could also be the cause; ensure that both the transmitter and receiver antennas are fully extended. Also, check if the servo linkages are not adjusted properly; move the servo to neutral and then re-adjust the linkages.
  • W
    williamsbenjaminAug 26, 2025
    What to do if steering does not work properly on Xray XT8 Motorized Toy Car?
    • C
      Crystal BeckAug 26, 2025
      If the steering on your Xray Motorized Toy Car isn't working properly, several things could be wrong. Weak transmitter or receiver batteries can cause this issue; recharge or replace them. Bent linkages or driveshafts, or loose steering components can also be responsible; check the tightness of steering components and tighten if necessary. Finally, drivetrain damage can also lead to steering problems; replace any damaged parts.
  • S
    Stacie BatesAug 27, 2025
    How to fix Xray Motorized Toy Car that does not drive straight?
    • D
      Deanna WalterAug 28, 2025
      If your Xray Motorized Toy Car isn't driving straight, several factors could be the cause. A binding suspension can cause the car to pull to one side; make sure the suspension moves freely and replace any worn or broken parts. If the steering trim is off-center, the car may veer to one side; adjust the steering trim until the car drives straight. Loose wheels can also cause this issue; check to make sure the wheel nuts are properly tightened. A damaged steering servo can also affect the car's ability to drive straight; check the steering servo for damage and wear, and replace or repair it if necessary.
  • A
    Amy CabreraAug 30, 2025
    Why does Xray Motorized Toy Car have bad reaction and response from engine?
    • C
      Charles CollinsAug 30, 2025
      If you're experiencing a bad reaction and response from the engine of your Xray Motorized Toy Car, it could be due to a few reasons. The carburetor might not be adjusted properly; re-adjust the main/slow needle adjusting screw. Clogged fuel lines, fuel filter, air cleaner, or muffler can also cause this issue; clean or replace any clogged parts. Additionally, low fuel pressure from the muffler could be the problem; properly install the pressure line between the muffler and fuel tank.
  • R
    robert04Aug 31, 2025
    What causes handling problems with Xray Motorized Toy Car?
    • G
      Gregory PattonAug 31, 2025
      If you are experiencing handling problems with your Xray Motorized Toy Car, it could be due to several reasons. The shocks might not be working properly; rebuild the shocks and replace worn or broken parts. The suspension could be binding; make sure the suspension moves freely and replace worn or broken parts. Finally, improper tires could be the issue; try using different tires.
  • M
    michaelmooreSep 2, 2025
    Why does the steering feel sluggish or vague on my Xray Motorized Toy Car?
    • A
      Andrew GilbertSep 3, 2025
      If the steering feels sluggish or vague on your Xray Motorized Toy Car, it could be due to a couple of issues. The suspension might be binding; ensure the suspension moves freely and replace any worn or broken parts. Alternatively, the steering servo could be damaged; check the steering servo for damage and wear, and replace or repair it if necessary.
  • J
    John MitchellSep 6, 2025
    Why is my Xray XT8 hard to control?
    • M
      Michael WellsSep 6, 2025
      If your Xray Motorized Toy Car is hard to control, check these potential issues: * Weak transmitter or receiver batteries could be the problem. Recharge or replace the batteries. * Low reception from the radio antennas might be the cause. Fully extend the transmitter and receiver antennas. * The servo linkages might not be adjusted properly. Move the servo to neutral and then readjust the linkages.
  • T
    Tiffany HamiltonSep 9, 2025
    How do I fix an Xray Motorized Toy Car that doesn't drive straight?
    • J
      Johnny RossSep 9, 2025
      If your Xray Motorized Toy Car isn't driving straight, here are a few things to check: * Suspension could be binding. Ensure the suspension moves freely, and replace any worn or broken parts. * Steering trim might be off-center. Adjust the steering trim until the car drives straight. * Wheels might be loose. Make sure the wheel nuts are properly tightened. * The steering servo could be damaged. Inspect the steering servo for damage and wear, and replace or repair it if necessary.
  • M
    Michelle MacdonaldSep 12, 2025
    What causes steering problems in an Xray Motorized Toy Car?
    • H
      hurleybradSep 12, 2025
      If the steering on your Xray Motorized Toy Car isn't working correctly, consider these causes: * Weak transmitter or receiver batteries. Recharge or replace the batteries. * Bent linkages or driveshafts. Check the tightness of steering components and tighten if necessary. * Loose steering components. Check the tightness of steering components and tighten if necessary. * Drivetrain damage. Replace any damaged parts.

Summary

Before You Start

Safety Precautions

Important Notes - General

Important Notes - Nitro Engines

Important Notes - Electrical

Important Notes - Nitro Fuel

R;C & Building Tips

Warranty

Limitations of Liability

Quality Certificate

Tools Required

Equipment Required

Equipment Included

Tech Tips

Front & Rear Diff Gear Mesh Adjustment

Adjusting differential side play for optimal gear mesh between diff and pinion gears.

Drive Shaft Pin Servicing

Properly servicing drive shaft pins for maximum lifespan of drive shafts and diff outdrives.

1. F&R Differentials

Front;Rear Diff Large Bevel Gear

Details on the large bevel gear options for front and rear differentials.

1. F&R Differentials

Differential Oil

Instructions for filling differentials with silicone oil for initial settings and weight checks.

1. Center Differential

Center Diff Spur Gear - Large

Details on the large spur gear options for the center differential.

1. Center Differential

Differential Oil

Instructions for filling the center differential with silicone oil for initial settings.

2. Front Transmission

2. Front Transmission

2. Rear Transmission

2. Rear Transmission

2. Front Transmission

2. Front Transmission

2. Rear Transmission

2. Rear Transmission

3. Rear Suspension

3. Rear Suspension

3. Rear Suspension

4. Rear Suspension

4. Rear Suspension

4. Rear Suspension

5. Front Suspension

5. Front Suspension

5. Front Suspension

6. Front Suspension

6. Front Suspension

6. Front Suspension

6. Front Rear Assembly

6. Front & Rear Assembly

6. Front & Rear Assembly

7. Steering

7. Steering

7. Steering

7. Steering

8. Center Diff & Brake

8. Center Diff & Brake

8. Center Diff & Brake

8. Center Diff & Motor

8. Center Diff & Motor

8. Center Diff & Motor

9. Fuel Tank & Engine

9. Fuel Tank & Engine

9. Fuel Tank & Engine

9. Fuel Tank & Engine

10. Electronics (Saddle Pack Alternative)

10. Electronics (Saddle Pack Alternative)

10. Electronics (Saddle Pack Alternative)

10. Electronics (Saddle Pack Alternative)

10. Electronics (Brick Alternative)

10. Electronics (Brick Alternative)

10. Electronics (Brick Alternative)

10. Radio Case

10. Radio Case

11. Shock Absorbers

11. Shock Absorbers

11. Shock Absorbers

11. Shock Absorbers

12. Final Assembly

12. Final Assembly

12. Final Assembly

12. Final Assembly

12. Final Assembly

12. Final Assembly

Troubleshooting Guide

Maintenance

Shock Maintenance

Guidance on maintaining shock performance, refilling, bleeding, and replacing parts.

Suspension & Drivetrain Maintenance

Checking suspension movement, drive shaft pins, and drivetrain components for wear.

HUDY Spring Steel

Information on HUDY Spring Steel™ material properties and durability.

Bearing Maintenance

Procedures for cleaning and lubricating bearings for smooth operation and long life.

Clutch Bearings

Recommendations for cleaning and lubricating clutch bearings to prolong their lifespan.

Xray XT8 Specifications

General IconGeneral
Scale1/8
4WD/2WD4WD
Width300 mm
Chassis MaterialAluminum
Shock TypeOil-filled
Height180mm
Gear TypeSpur Gear

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