PANTHERA MOTORSPORTS
YZ250-YZ250X Electric starter - Installation guide
Place gear cap and its gasket back on and bolt it on with the 4 button heads. Use blue Loctite and torque
to 90 in-lb.
The housing is equipped with a pressure vent at the back made to run a hose to a high point on the
motorcycle, at least one feet higher than the housing. Place the hose so that its end points down and no
water enters in it.
Starter and battery connection
Run the black ground wire in between the starter motor and the housing. Bolt the ground terminal to
the left side bolt of the starter mount.
Connect the red wire to the starter motor terminal using a 10mm wrench.
Install the battery in the battery box, making sure the + and
–
are properly located. Secure the battery
with the supplied rubber band. The 8 cells box supplied is designed for an
Antigravity AG-801
battery
and the 4 cells box for the Antigravity SC-1.
Connect the harness to the battery, always connect the positive (red) first.
Once wires placed properly, tight the two nuts on the relay with at 10mm socket.
Tank and seat re-install
Re-install the fuel tank on and make sure none of the connectors are interfering. Bolt the tank back in
place.
Chassis bolt torque is 86 in-lb and guard bolts torque is 51 in-lb.
Re-install the chassis to tank rubber band.
Reconnect the fuel line and slide the collar back on.
There is a plactic fin underneat the seat that will then to cut the rubber strap that holds the battery. We
have supplied you with a u-shaped rubber to glue on the fin and project the strap.
Slide the seat on and secure with the 2 bolts. Torque to 13 ft-lb.
PRESS THE BUTTON AND GO HAVE FUN !!
User note:
We often get asked if the whining sound at the engine shut off is normal. It is. When the
engine comes to a stop, the compression pushes it backward of a quarter turn and that makes the
electric motor spin back a few turns. The gear sound is perfectly normal.