Two Brothers Racing Yamaha FZ-1 - Manual (Page 4)

ITBR001-150A www.twobros.com 2009-2010 Yamaha FZ1 - 4
Figure D
Figure E
10. Attach the ground wire from the Juice Box Pro to the negative side of the battery
as shown in Figure D.
11. Using the supplied velcro, secure the Juice Box Pro in the rear section of the
trunk as shown in Figure E.
Make sure to clean both surfaces with the alcohol swab before attaching.
12. Verify the wires are routed properly.
ground wire
13. Locate the stock O2 sensor in the exhaust. Follow the O2 sensor harness and
unplug it from the stock wiring harness.
This is a black 4-pin connector next to the main throttle body connector.
14. Attach the connectors from the Juice Box Pro to the O2 sensor harness and the
stock wiring harness as shown in Figure F.
15. Lower the fuel tank and verify the connectors and harness do not interfere with
or get pinched by the fuel tank.
16. Reinstall the main seat and the passenger seat. Figure F
O2 connector