Two Brothers Racing RMZ450 User Manual

2009-2010 Suzuki RMZ450

PARTS LIST

Installation Instructions

1 Juice Box Pro™
1 USB Cable
1 Top Tune CD-ROM
1 Installation Guide
2 Velcro
1 Alcohol swab
2 Zip ties

THE IGNITION MUST BE TURNED

OFF BEFORE INSTALLATION!

DOWNLOAD THE TOPTUNE SOFTWARE

AND LATEST MAPS FROM OUR

WEBSITE:

www.twobros.com

PLEASE READ ALL DIRECTIONS BEFORE STARTING INSTALLATION

401 S. Grand Ave. Santa Ana, CA 92705

[phone] www.twobros.com

Selecting the Map Position

The J uice B ox Pro com es loaded w ith up to ten m aps . U s ing a #1 Phillips
screw driv e r, turn the m a p select dial to toggle between the loaded m aps . Refer to
the map position table below for the maps included in your J uice Box Pro.

Using the RPM R ange Dials

The Low, Mid, and High RPM Dials refer to the RPM range, in thirds, of your
vehicle. Each dial allows +/- 10% fuel adjustment on top of what fuel changes are
done in the map. W ith the dial facing straight up, there is no additional fuel change.
For example, if your vehicle revs to 15,000 RPM:

• the low RPM dial will adjust 0-5000 RPM

• the mid RPM dial will adjust 5001-10000 RPM

• the high RPM dial will adjust 10001-15000 RPM

Using Top Tune

Take your tuning to the nex t level with the Top Tune s oftwar e.

Position 0 Zero map

Position 1 Stock exhaust

Stock air fi lter

Position 2 Two Brothers M2R slip-on exhaust

Stock air fi lter

Position 3 Two Brothers M2R full exhaust

Stock air fi lter

USB Port

High RPM Dial

Mid Dial RPM

Low Dial RPM

Map Select
Status Light

(Power to Unit)

09-10 Suzuki
RMZ450

09-10 Suzuki
RMZ450

09-10 Suzuki
RMZ450

I ns t a l li n g t h e Top Tu ne S o ft w a r e
1 Insert the CD provided into your com puter’s cd-rom drive. The launch program

will run automatically.
If auto-run is disabled, double-click the My Computer icon then double-click the
CD drive icon. Double-click TB R Top Tune.exe to manually start the CD.

2 Click Install Software and follow the on-screen instructions to install the Top

Tune software. The Top Tune software and maps will be stored in C:\Program
Files\T BR Top Tune.

3 C lick M a p Databas e. All m a ps w ill autom atically be installed to the C : \Progra m

Files\TBR Top Tune\maps folder.

Loading Additional Maps
1 Connect the US B cable from the computer to the J uice B ox Pro. Verify the cable

is fully seated in the J uice B ox Pro.

2 Run the Top Tune software by double-clicking the program icon installed on your

desktop or on your start menu.
3 Click Open Map File and select a map file.
4 C lick S end M a p. You can send the m a p to a ny of the ten m ap pos itions .

A ltering M aps U s ing Top Tune
The values in the map represent a percentage of fuel change over stock. A value of
10 in the map indica tes at that throttle pos ition and R PM r ange the v ehicle w ill be
10% richer than stock. If the value is -10, then it would be 10% leaner than stock. You
ha v e the ability to fine tu ne your fuel curve by altering these values . The Top Tune
software allows a value of +250 to -100 in each cell.

ITBR001-225 www.twobros.com 2009-2010 Suzuki RMZ450 - 2