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First, insert four AA / LR6 batteries into the transmitter. When running the car, be sure to turn on the power switch of the 
transmitter first and then turn on the power of the car. If you don t follow this procedure, there are possibility that car will run 
out of control and is dangerous.
Check  the  steering  and  throttle  neutrals  before  driving.  Make  sure  that  steering  wheels  are  to  run  straight,  and  throttle 
position are in neutral that motor does not start moving when not operating.
※When turning on the switch on the car side, keep the tires away from the road surface. Since it might become very danger-
ous that car might run involuntarily when a neutral shift occurs.

●How to use transmitter

●Gyro Sensors

When starting and ending the run, follow steps ① to ② below.

Start running / Switch ON

End running / Switch OFF

ON

ON

Sliding to right

Sliding to right

Sliding to right

Switch

Switch

Switch

Switch

Switch

Switch

OFF

Sliding to left

Sliding to left

Sliding to left

OFF

YOKOMO LTD. 4385-2 Yatabe, Tsukuba City, Ibaraki Prefecture, 305-0861.JAPAN

TEL +8129-896-3888 FAX +8129-896-3889 E-Mail [email protected]

Wiring connection diagram and set, diagram of adjustment part

Switch 2 : Setting Forward or Reverse

Switch 1 : Setting Digital or Analog

Maximum rudder angle setting button

LED

servo

receiver

Use the plastic screwdriver included in the set to adjust the switch
and sensitivity.

Driving procedure and maximum rudder angle setting

①Place a bodyless car with a gyro on a flat table or ground.

②If turning on the power without the body, the gyro LED will be 

blinking fast. This is a sign that detects gyro neutral and steering 

neutral. Do not move the vehicle body or steering wheel during 

detection.

③If the LED stops blinking and stays on, it is a sign that the 

neutral setting is completed.

④However, if the fast blinking of the LED does not change to 

lighting and then changes to slow blinking, it is a sign that the 

normal neutral setting has failed to complete, so start over again 

from ①.

⑤Turn the steering wheel to the right on the transmitter side, 

press the switch briefly at the point where it hits the steering 

stopper, the red-blue light blinks twice at high speed, then blue 

lights up, and red lights up slowly indicates that the setting has 

been saved.

⑥Next, as same with the right side, press the switch briefly at the 

point where it hits the stopper. The red-blue light blinks twice at 

high speed, and then the red-blue lights turn on at the same time, 

it indicates that the second setting has also been saved.

⑦The steering is set to neutral and the gyro endpoint setting is 

completed.

*This product cannot be used if the 3rd channel of the transmitter 

is push button type.

*When adjusting the endpoint, adjust it within the range where the 

load is not applied to the servo. Please note that when a load is 

applied to the servo, a load sound will be generated from the servo.

●Gyro need to be fixed with double sided tape in flat area of upper deck or main 

chassis.

●Switch 1 (Right side): There are two types of signals that the servo moves: 

analog and digital. The set at the time of purchase is in the digital mode used 

by many people. If the servo does not respond, set the switch up to make it 

analog.

●Switch 2 (Left Side) : Setting the operating direction of the servo with the 

gyro. The set at the time of purchase is reversed and is set on the switch. If try 

turning the steering wheel before driving and the servo does not move in the 

counter direction, set the switch 2 to the lower / forward rotation again.

Initial Setting on switches  Switch 1 : Analog  Switch 2 : Reverse Volume Rate : 50%

Summary of Contents for YD-2 AC

Page 1: ...the battery connect the battery to quick charger then plug the charger into an outlet It will take about 70 minutes to fully charge the supplied battery When charging is completed first unplug the charger then remove the battery Battery included in the set is 1400mAh Ni cd type Charge the battery with charger before running the car For your safety please follow the precautions for handling the char...

Page 2: ... detection If the LED stops blinking and stays on it is a sign that the neutral setting is completed However if the fast blinking of the LED does not change to lighting and then changes to slow blinking it is a sign that the normal neutral setting has failed to complete so start over again from Turn the steering wheel to the right on the transmitter side press the switch briefly at the point where ...

Page 3: ... be reversed when the neutral setting is made In that case change the slot reverse switch of the transmitter from normal to reverse setting Connect the battery and motor to the ESC Turn on the power i n t h e o r d e r o f transmitter to ESC E S C s o u n d s a n d the neutral setting starts automatically When the neutral setting is complete the ESC will make another sound When the motor temperatu...

Page 4: ...ted LEDs are built into ESC The other LEDs installed in ESC only lights up in red Release the set button as soon as hearing the sound three times When the LED turns red and blinking it is in first set mode Reverse power Hold down the set button and release when hearing a short and long sound When the LED color changes from yellow to red select the mode parameters Reverse power Press the set button...

Page 5: ... Y2 503GH Gear Diff Case Cap for YD 2 YZ 2 700 Ball Diff Y2 500 Ball Diff Kit for YD 2 2 800 B2 501MR L R Diff Outdrive Hub for B MAX2MR RS 1 300 Z2 503 48p 52T Ball Diff Gear for YZ 2CA DT 4 1 400 ZD 505 3 32 Precision Balls 24 150 Z2 505T 3 32 Tungsten Carbide Ball 14pcs 14 1 120 B2 506 Diff Drive Ring 2 400 ZS 507 Diff Thrust Washers Diff Thrust Balls 200 ZC 507T 1 16 Tungsten Carbide Ball 16 pcs 680 B...

Page 6: ...00 B8 301A Alum Sus Mount 39 5 42 7mm for BD 8 9 1 1 680 B8 301B Alum Sus Mount 43 5 46 7mm for BD 8 9 1 1 680 B8 301C Alum Sus Mount 46 4 49 6mm for BD 8 9 1 1 680 Y2 301D2 Alum Sus Mount D for YD 2EX Ⅱ 1 1 880 Y2 301E2 Alum Sus Mount E for YD 2EX Ⅱ 1 1 880 B8 301BS Sus Mount Bushing for BD 8 1 700 BD 301B 3 φ Sus Arm Pin Ball for BD7 BD5 4 250 Y2 301S 1 0mm Sus mount spacers for YD 2 2 500 Y2 30...

Page 7: ...ket Screw 10 150 ZC F318 M3X18 Flathead Socket Screw 8 150 ZC F38T M3X8 Titanium Flathead Socket Screw 5 350 ZC F310T M3X10 Titanium Flathead Socket Screw 350 ZC F312T M3X12 Titanium Flathead Socket Screw 350 ZC F315T M3X15 Titanium Flathead Socket Screw 350 ZC F318T M3X18 Titanium Flathead Socket Screw 380 Y2 TSS 3mm Titanium Screw Set for YD 2 Plus 3 400 ZC SS34 M 3 X 4 Set Screws 10 120 ZC SS36...

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