Introduction

This document provides detailed instructions for assembling the Yokomo YR-4M2 PRO Competition Touring Car Kit. It covers all necessary tools, parts, and step-by-step procedures to ensure a successful build. Follow these instructions carefully to achieve optimal performance from your touring car.

Required Tools & Accessories

Before beginning assembly, gather the following tools:

Screwdrivers (Phillips, small and large)
Needle nose pliers
Cutting pliers
Nut driver (7.0mm)
Cutting knife (X-Acto knife)
CA glue (Cyanoacrylate glue)
Sandpaper
Scissors
2mm Hex driver
Motor spray
Loctite or rubber cement

Important Note: The graphite parts may have sharp edges. Smooth all edges with fine-grit sandpaper (e.g., #200 or #400) dipped in water for safe handling.

Additional Items for Running

To operate the car, you will need:

Two-channel R/C surface radio system (Servo, Receiver, Transmitter)
Electronic speed control
7.2V 6-cell NiCad battery pack
NiCad battery charger
Motor
Recommended shock oil (specific weights for warm and cold weather are provided in the manual)

Included Parts

The kit includes:

Lexan body with window masking and decals
Main graphite chassis
Yokomo decals
Tools: 2.0mm Allen Key, 1.5mm Allen Key, 1.27mm Allen Key

Assembly Overview

The manual guides you through various assembly stages, including:

Steering Linkage Assembly
Suspension Assembly (Front and Rear)
I-Arm Assembly
Suspension Arm Installation
Suspension and Bumper Installation
Ball Differential Assembly
Center Shaft Assembly
Tensioner Installation
Center Shock Assembly
Front Diff & Upper Deck Installation
Shock Tower Installation
Shock Absorber Assembly and Installation
Electronic Device Installation
Tire Assembly and Installation

Refer to the detailed diagrams and step-by-step instructions within the manual for each stage of the assembly process.

Support Information

For further assistance or information, please visit the Yokomo USA website at www.yokomousa.com.