Two Brothers Racing Yamaha R1 - Manual (Page 5)

ITBR001-238 2009-10 Yamaha R1 - 5
Figur
e
G
Figur
e
H
Fi
gur
e I
O2 sensor
connector
12 Using the supplied velcro, secure the Juice Box Pro in the tail section of the bike as
shown in Figure G.
Make sure to clean both surfaces with the alcohol swab before attaching.
13 Locate the stock O2 sensor connector.
The O2 sensor connector is a black 4-pin connector located under the fuel tank near
the right hand side of the frame.
14 Unplug the stock O2 sensor connection and plug the 4-pin connectors from the Juice
Box Pro to the stock connector and harness as shown in Figure H.
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.
The Juice Box Pro for this model controls the stock closed loop area. This area is
represented by the highlighted cells shown in Figure I. The Juice Box Pro is designed to
achieve a target AFR of 13.6:1. To use this Juice Box Pro you must retain your stock O2
sensor.
It is not recommended to alter the values in the highlighted area unless instructed to do
so by a Juice Box Pro technician.