YDX Torc Assembly Manual

Do not use a cutter, scissors, or other sharp object to open the part boxes; otherwise, the included parts could be damaged.

Wear suitable protective gear such as gloves when handling and opening the part boxes.

1. Part box 1
2. Front wheel

The parts listed as follows are included*. Check the parts and their quantities before starting assembly.

Part box 1 details

Part box 2 details

Part box 3 details

Part box 4 details

• The form of the package is subject to change without notice.

Tighten the bolts and nuts to the specified torques. Failure to tighten the bolts and nuts to the specified torques could prevent proper operation of the bicycle and make it unsafe to operate.

Charge the battery pack following the instructions in the owner’s manual before starting installation.

The letters inside the parts list boxes in the assembly procedures indicate the following:
A: Part in part box 1
B: Part in part box 2
C: Part in part box 3

1. Installing the front wheel and fork end
Remove the spacer (b) from the front disc caliper (a).
Give the removed spacer b to the customer, explaining how it is used.

Align the holes in the front wheel (1) with the holes in the fork end and install the front wheel (1).
Install it in such a way that the disc rotor (c) does not touch the disc pad.
Install the front axle (2) to the fork end holes from the right side of the bicycle.

Tighten the front axle (2) to the specified torque.

Tighten the front axle 2 to the specified torque and install it securely. Otherwise, the front wheel could come off.

2. Installing the handlebar stem
Position the handlebar stem a in a straight line with the front wheel.
Tighten the bolts b and c, in that order, to the specified torques.

3. Installing the handlebar
Install the handlebar (a) so that the alignment mark (b) shown in the illustration is under the hole in the handlebar holder (c), then tighten the 4 handlebar holder (c) bolts (d) to the specified torque.

The handlebar (a) should not touch the frame when it is turned fully to the left or right.

The handlebar (a) should not touch the frame when it is turned fully to the left or right.

Install the handlebar (a) so that the brake levers (e) are at a 30° angle to the handlebar, as shown in the
illustration.

Tighten bolts (d) evenly in stages, in the order shown in the illustration.

Tighten in such a way that the gaps (f) above and below the handlebar holder (c) are equal.

4. Installing the front reflector
Install the front reflector (1) in the position (a) shown in the illustration, then tighten it together with the stay (2) and screw (3)

Adjust so that the front reflector (1) faces straight ahead, then tighten the screw.

5. Installing the bell
Install the bell (1) in the position (a) shown, then tighten it with the screw (2).

6. Routing the wires
Confirm that hoses and wires are routed in order starting from front to back
Front brake hose (1)
Shift wire (2)
Rear brake hose (3)
Lockout wire (4)
Display unit lead (5)
Switch unit lead (6)
Clamp the front brake hose 1 and lockout wire (4) with the wire clip (7) at the position shown in the illustration.
Clamp the shift wire (2), rear brake hose (3) and display unit lead (5) with the plastic locking ties
(8) at the position shown in the illustration. Clamp the lockout wire (4) and switch unit lead (6) with the wire clip (9) at the position shown in the illustration.

Check that the front brake hose (1), lockout wire (4) and wire clip (7) are placed as shown in the illustration.

Check that the front brake hose (1), shift wire (2),rear brake hose (3), display unit lead (5), wire clip (7), and plastic locking ties (8) are placed as shown in the illustration.

Check that the shift wire (2), rear brake hose (3), and speed sensor lead (10) are routed as shown in the illustration.

7. Tightening the seat pin
Insert the saddle and seat post (1), and then tighten the bolt head (a) of the seat pin until it becomes tight.
Pull the seat pin b down to lock it.

Insert the seat post far enough that the raise limit (c) is not visible. If installed at a position at which the raise limit (c) is visible, the seat post, clamp, or even frame may break, which could cause the rider to lose control and all.

8. Installing the rear reflector
Install the rear reflector (1) as shown in the illustration, then tighten it together with the stay (2) and screw (3).
After tightening the screw, attach the cap nut (4) to the tip of the screw.

Adjust the rear reflector (1) so that it is facing straight backward, then tighten it.

Install the rear reflector (1) at a position where the tire does not hide the surface of the rear reflector (1) when viewed from the rear of the bicycle.

If the surface of the rear reflector 1 is hidden by the tire when the saddle position is lowered, install the rear reflector 1 on the right side of the rear frame using the fastening band included.

9. Installing the pedals
Install the pedal 1 to the crank (a), then tighten to the specified torque.

Right screw for the right pedal

Left screw for the left pedal

10. Installing the battery pack
Check that the battery pack 1 is fully charged according to owner’s manual procedures, then install the battery pack (1).

11. Installing the display unit’s button cell battery
Loosen the bolts (a) and remove the display unit (b) from the bracket (c).

Turn the button cell battery cover (d) on the back of the display unit (b) in direction (e), remove it, then install the button cell battery (1). Mount the button cell battery cover (d), then turn it in direction (f) until it locks.

Install the button cell battery with the plus (+) mark facing upward.

Check that the O-ring (g) is properly installed.

After installing the button cell battery, install the display unit onto the bracket following the removal procedure in reverse order. Peel off the protective film after installing.

12. Adjusting the display unit’s time
A. Press the power switch (a) to turn on the power.
B. Press and hold the function select switch (b) (2seconds or longer) until the function display (c) switches to the main menu display.
C. Press the “ ▼ ” assist mode switch d, display “TIME ADJ” on the main menu display, then press the function select switch b to set.

D. The hours value increases when the “ ▲ ” assist mode switch (f) is pressed while the “Hour” section of the clock (e) is flashing. The hours value decreases when the “▼” assist mode switch (d) is pressed.Press the function select switch (b) to set the hours.

E. The minutes value increases when the “ ▲ ” assist mode switch (f) is pressed while the “Minute” section of the clock e is flashing.
The minutes value decreases when the “ ▼ ” assist mode switch (d) is pressed. Press the function select switch (b) to set the minutes.
F. The time is set and the mode returns to the normal mode.

If you make a mistake adjusting the time, start over
from step B.

G. Press the power switch (a) to complete adjustment of the time.

13. Checking the operation of the speed sensor
A. Press the power switch (a) to turn on the power.
B. Long-press the power switch (a) (approximately 10 seconds) within 30 seconds after turning on the power, check that the display switches to the diagnosis function selection screen (b), then release the power switch (a).
C. Press the “ ▼ ” assist mode switch (c), display
“SPEED SNSR” on the diagnosis function selection screen (b), then press the function select switch (d) to set.

D. Check that the speedometer (e) is displayed and that the speed sensor checking mode has been set.
E. The number displayed on the speedometer (e) counts up when the rear wheel is lifted off the ground and turned. The number increases by 1 for 1 turn. Check that the position of the wheel at which the display counts up is stable.
F. After checking the operation, press the power switch (a) to quit.

Turn the rear wheel at least 3 revolutions and check that the display reads “3”.

14. Adjusting the opening of the front and rear brake levers
Before adjusting the opening of the brake levers, grip the brake levers approximately 10 times to pump them.
Turn the adjusting screw 1 to adjust the opening of the tip of the brake lever (a) from the tip of the grip.

After adjusting the brake lever opening, check that the rotation of the front and rear wheels is not heavy.

Adjust to a position at which it is easy for the customer to operate the front and rear brake levers and within the range of play of the brake levers.

After completing the installation, inspect the items as follows and check that there are no problems before delivering the bicycle. Adjust controls and saddle height to the customer’s satisfaction according to this manual.

• Handlebar orientation, height, angle, and tightening
• Saddle orientation, height, angle, and tightening
• Check that the saddle is firmly fastened.
• Various fittings adjusted to the customer’s riding posture
• Including brake lever angle, fork suspension air pressure, etc.
• Inspection of the wheels, hubs, and spokes
• Tightening of the pedals
• Tightening of the screws of each part
• Brake performance
• Shift changing operation
• Looseness of the chain
• Bell sound
• Battery pack locking operation
• Check that the battery pack locks securely.
• Check of battery pack and battery charger operation
• Operation of the meter, switches, and drive unit
• Installation state of the reflectors
• Maximum tire air pressureFront tire: 450 kPa (4.5 kgf/cm2, 65 psi)
• Rear tire: 450 kPa (4.5 kgf/cm2, 65 psi)