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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
    Jessica LeeSep 12, 2025
    Why does my Xray Motorized Toy Car have bad reaction and response from the engine?
    • S
      Sarah McclureSep 13, 2025
      If your Xray Motorized Toy Car has a bad reaction and response from the engine, consider the following: * The carburetor might not be adjusted properly. Readjust the main/slow needle adjusting screw. * The fuel lines, fuel filter, air cleaner, or muffler could be clogged. Clean or replace any clogged parts. * There might be low fuel pressure from the muffler. Properly install the pressure line between the muffler and the fuel tank.
  • V
    Veronica AndersonSep 15, 2025
    What causes handling problems with my Xray Motorized Toy Car?
    • C
      cherylmasonSep 15, 2025
      If you're experiencing handling problems with your Xray Motorized Toy Car, here are some potential causes: * The shocks might not be working correctly. Rebuild the shocks and replace any worn or broken parts. * The suspension might be binding. Ensure the suspension moves freely and replace any worn or broken parts. * The tires might be improper. Use different tires.
  • M
    Melanie GonzalezSep 17, 2025
    Why does the steering feel sluggish on my Xray Motorized Toy Car?
    • S
      sheilahardingSep 17, 2025
      If the steering feels sluggish or vague on your Xray Motorized Toy Car, consider these possible causes: * The suspension might be binding. Make sure the suspension moves freely, and replace any worn or broken parts. * The steering servo might be damaged. Check the steering servo for damage and wear, and replace or repair it if necessary.
  • O
    onguyenNov 19, 2025
    Why my Xray Motorized Toy Car engine does not start?
    • S
      Shannon MorrisNov 19, 2025
      If the engine of your Xray Motorized Toy Car doesn't start, several factors could be at play. The fuel tank might be empty, or the carburetor might not be primed; in this case, fill the fuel tank and prime the carburetor. A bad glowplug or a dead glowdriver battery could also be the culprit; replace the glowplug or recharge/replace the glowdriver battery. Clogged fuel lines, fuel filter, air cleaner, or muffler can also prevent the engine from starting; clean or replace these parts. If the engine is flooded, remove the glowplug and turn the car over to discharge fuel, then test and replace the glowplug if needed. An improperly adjusted carburetor or throttle servo linkage can also cause starting issues; set the carburetor to the standard starting position and re-adjust the throttle servo l...

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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