USER MANUAL –
M625/M325 DRIVE SYSTEM
8
6.2.2 Motor Installation
NOTE:
Before installing the motor, please remo-
ve the chainset and crank from the original bike.
BB (bottom bracket)
A
1. Insert the motor into the BB.
Frame
Motor
A
B
2. Put the BB support on the middle shaft of
the motor, and then with a Internal star
screw wrench to prelock a M6 star screw
on the motor (Do not tighten first).
BB support
Internal star screw
A
B
3. With the special tool to prelock a locking
ring (M33-A) on the motor (Do not tighten
first).
Locking ring M33-A
Special tool
A
B
4. Put the rubber washer on the frame, and
then set the hoop set on the motor (Note:
rubber washer and hoop set should be
mounted perpendicular to the down tube),
the hoop head is to the right of the frame.
Hoop set
Rubber washer
A
B
