Introduction
This instruction manual provides detailed guidance for the assembly, setup, operation, and maintenance of your Tamiya 95501 Mini 4WD Special Planning Avante Jr. Black Special model kit. The Avante Jr. Black Special is a high-performance 4WD racer featuring a shaft drive mechanism, designed for enthusiasts aged 10 and above. This model emphasizes a distinctive smoked body and black chassis, complemented by hot pink wheels for a striking appearance. Please read this manual thoroughly before beginning assembly to ensure correct construction and optimal performance.
Safety Information
Please observe the following safety precautions during assembly and operation:
- Small Parts: This kit contains small parts that may pose a choking hazard. Keep out of reach of small children.
- Sharp Tools: Assembly requires the use of sharp tools. Exercise caution to prevent injury. Adult supervision is recommended for users under 14 years of age.
- Batteries: Use only the specified battery type (AA batteries x 2). Do not mix old and new batteries, or different types of batteries. Insert batteries with correct polarity. Remove batteries when the model is not in use for extended periods.
- Adhesives and Paint: If using adhesives or paint (not included), ensure adequate ventilation and follow the manufacturer's safety instructions.
- Operating Environment: Operate the Mini 4WD in appropriate environments, such as designated Mini 4WD tracks, to prevent damage or injury.
Package Contents
Verify that all components are present before beginning assembly:
- Chassis (Type 2)
- Body (Smoked)
- Wheels (Large diameter, Hot Pink)
- Slick Tires
- Gears (Two types: 5:1 and 4.2:1)
- Motor
- Screws and other small hardware
- Instruction Manual (this document)
- Coloring Stickers (Clear type, silver and red lines)
Note: 2 AA batteries, adhesives, paint, and assembly tools are not included and must be purchased separately.
Assembly Instructions
The Tamiya 95501 Mini 4WD is a plastic model assembly kit. Follow the detailed diagrams and steps provided in the included paper instruction manual for precise assembly. The general steps are outlined below:
- Chassis Assembly: Begin by assembling the Type 2 chassis, which is designed for lightweight and efficient gear operation.
- Gearbox Installation: Install the gears into the gearbox. You will choose between two gear ratios: 5:1 for balanced speed and torque, or 4.2:1 for higher top speed.
- Motor Installation: Securely install the included motor into the chassis.
- Axle and Wheel Assembly: Attach the axles, large diameter hot pink wheels, and slick tires. Ensure the tires are firmly seated on the wheels.
- Body Preparation: Prepare the smoked body. Apply the specially designed clear type coloring stickers with silver and red lines to enhance the black special appearance.
- Body Mounting: Mount the completed body onto the chassis.
- Final Checks: Verify all screws are tightened, and moving parts operate smoothly.

Image: The fully assembled Tamiya Avante Jr. Black Special Mini 4WD model, showcasing its distinctive black body, hot pink wheels, and rear spoiler.
Setup
Before operating your Mini 4WD, perform the following setup steps:
- Battery Installation: Open the battery compartment on the chassis and insert two AA batteries, ensuring correct polarity (+/-). Close the compartment securely.
- Gear Ratio Selection: During assembly, you selected either the 5:1 or 4.2:1 gear ratio. The 5:1 ratio provides a good balance for general racing, while the 4.2:1 ratio is optimized for higher speeds on less technical tracks.
- Wheel and Tire Check: Ensure all wheels spin freely and the slick tires are securely attached.
Operating Instructions
The Tamiya Mini 4WD is designed for racing on specialized Mini 4WD tracks. It is not a remote-controlled vehicle.
- Power On: Locate the power switch on the chassis and slide it to the "ON" position. The motor will start, and the wheels will begin to spin.
- Placement on Track: Carefully place the Mini 4WD onto a Mini 4WD track. The guide rollers will help keep the car on the track.
- Observation: Observe your Mini 4WD as it races. Note its speed and stability.
- Power Off: When finished, slide the power switch to the "OFF" position.
For optimal performance, ensure the track is clean and free of obstructions.
Maintenance
Regular maintenance will help prolong the life and performance of your Mini 4WD:
- Cleaning: After each use, gently wipe down the chassis and body with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals.
- Gear Inspection: Periodically inspect the gears for wear or damage. Replace worn gears to maintain smooth operation.
- Motor Check: Ensure the motor is free of debris and spinning efficiently. If performance degrades, consider replacing the motor.
- Tire Condition: Check the slick tires for wear or damage. Worn tires can affect grip and speed.
- Battery Compartment: Keep the battery compartment clean and dry. Remove batteries if storing the model for an extended period.
- Screw Tightness: Occasionally check that all screws are tight, especially after high-speed runs.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not move or moves slowly. |
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| Car veers off track frequently. |
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| Excessive noise during operation. |
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Specifications
- Model Name: Avante Jr. Black Special
- Model Number: 95501-000
- Brand: TAMIYA
- Type: Mini 4WD Plastic Model Assembly Kit
- Chassis Type: Type 2
- Drive System: Shaft Drive 4WD
- Included Motor: Yes
- Gear Ratios: 5:1 and 4.2:1 (selectable)
- Tires: Slick Tires
- Wheels: Large Diameter, Hot Pink
- Body Color: Smoked (Black Special)
- Required Batteries: 2 x AA (not included)
- Recommended Age: 10 years and up
- Completed Dimensions (Approximate):
- Length: 130 mm (5.1 inches)
- Width: 86 mm (3.4 inches)
- Height: 48 mm (1.9 inches)
- Material: Plastic
Warranty and Support
Tamiya products are manufactured to high standards. For any questions regarding assembly, missing parts, or product performance, please refer to the contact information provided on the product packaging or visit the official Tamiya website for customer support. Specific warranty details may vary by region; please consult your retailer or Tamiya's official resources for more information.
Official Tamiya Website: www.tamiya.com