BATTERY, ANTENNA & TIRE INSTALLATION To access the battery box remove BATTERY INSTALLATION the two 3x10mm screws and the Battery Box upper battery support. AA Battery Before your car can be run, you will need to install the batteries into your car and radio 3x10mm Screw transmitter.
RADIO SETUP Steering Trim Steering neutral adjustments can be made by moving the Steering trim knob to the left or right. Racers Tip When you install a servo always check to be sure the servo is at its neutral position. Adjust the servo horn hole position and linkage so both are parallel. When a servo saver is used place it as close to center position as possible.
Page 4
FOAM BUMPER INSTRUCTION Use scissors to cut out the template as shown In order for the included body to fit properly over the front foam bumper, a portion of the bumper must be trimmed away. Cut out the foam bumper template below and follow the steps shown on the left.
ENGINE BREAK-IN AND TUNING It is very important that the engine is broken-in before running. Please read the YOKOMO 18 ENGINE INSTRUCTIONS before starting your new engine. STARTING THE CAR FOR THE FIRST TIME 1. Switch the transmitter ON. Always switch the transmitter on first.
Yokomo 18 engines are compatible with most aftermarket engine parts (muffler, plugs, air filters, etc.) that fit OS engines. We recommend an OS #8 glow plug, a foam-type air filter (Yokomo #ZE-656), and a muffler that has a fitting to provide pressure to the gas tank.
TWO YEAR LIMITED ENGINE WARRANTY YOKOMO USA warrants your .18 Yokomo engine to be free from defects in materials and workmanship for a period of two years from the purchase date. If there are any defects with the materials, workmanship, or assembly of your engine, we will gladly repair or replace it for you at our discretion.
Need help?
Do you have a question about the GT-4 RTR and is the answer not in the manual?
Questions and answers