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Two Brothers Racing Honda CBR250R User Manual

Page 2

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ITBR001-302 www.twobros.com

2011 Honda CBR250R - 2

S electing the M ap Pos ition

T he J uice B ox Pro com es loaded with up to ten m aps . U s ing a #1 Phillips
s crewdriver, turn the m ap s elect dial to toggle between the loaded m aps . R efer to
the m ap pos ition table below for the m aps included in your J uice B ox Pro.

U s ing the R PM R ange Dials

T he Low, M id, and High R PM Dials refer to the R PM range, in thirds , of your
vehicle. E ach dial allows +/- 10% fuel adjus tm ent on top of what fuel changes are
done in the m ap. W ith the dial facing s traight up, there is no additional fuel change.
For exam ple, if your vehicle revs to 15,000 R PM :

• the low R PM dial w ill adjus t 0-5000 R PM
• the m id R PM dial will adjus t 5001-10000 R PM
• the high R PM dial will adjus t 10001-15000 R PM

U s ing Top Tune

Take your tuning to the next level w ith the Top Tune s oftware.

1 Ins ert the CD provided into your com puter ’s cd-rom drive. T he launch program

will run autom atically.
If auto-run is dis abled, double-click the M y Com puter icon then double-click the
CD drive icon. Double-click T B R Top Tune.exe to m anually s tart the CD.

2 Click Ins tall S oftware and follow the on-s creen ins tructions to ins tall the Top

Tune s oftware. T he Top Tune s oftware and m aps will be s tored in C:\Program
Files \T B R Top Tune.

3 Click M ap Databas e. A ll m aps w ill autom atically be ins talled to the C:\Program

Files \T B R Top Tune\m aps folder.

1 Connect the U S B cable from the com puter to the J uice B ox Pro. Verify the cable

is fully s eated in the J uice B ox Pro.

2 R un the Top Tune s oftware by double-clicking the program icon ins talled on your

des ktop or on your s tart m enu.

3 Click Open M ap File and s elect a m ap file.
4 Click S end M ap. You can s end the m ap to any of the ten m ap pos itions .

T he values in the m ap repres ent a percentage of fuel change over s tock. A value of
10 in the m ap indicates at that throttle pos ition and R PM range the vehicle will be
10% richer than s tock. If the value is -10, then it would be 10% leaner than s tock. You
have the ability to fine tune your fuel curve by altering thes e values . T he Top Tune
s oftware allows a value of +250 to -100 in each cell.

Ins talling the Top Tune S oftw are

Loading Additional M aps

A ltering M aps U s ing Top Tune

U S B Port

High R PM Dial

M id

Dial

R PM

Low

Dial

R PM

M ap S elect

S tatus Light
(Pow er to U nit)

Position 0

Zero map

Position 1

Stock exhaust
Stock air fi lter

2011
Honda CBR250R

Position 2

Two Brothers slip-on
Stock air fi lter

2011
Honda CBR250R