Speedometer calibration settings, Important step before starting – Zipper Mowers Thunder-Max 309-365 User Manual

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Step 4 From the ‘Tuning Maps’ Tree, click the + sign
next to

[Module Configuration], then double-click

‘Basic Settings’. The basic settings page opens.
Check to see if the

[Speedo Cal] calibration setting

matches your year and model; if not, click the button,
enter the correct value as shown, then click


Speedometer Calibration Settings

Step 5

Now you are ready to ‘Link’

and ‘Write’ the map to the ECM.
Attach the communication cable
from your computer to the
ThunderMax module, making
certain that the cable is routed away
from any part of the motorcycle that
generates heat.

Special Note for International Model Bikes with
Active Exhaust Enabled:
If your bike is equipped with
a working Active Exhaust Valve, you must unplug the
active exhaust harness before linking to the module, as
the AEV circuitry conflicts with the communication
stream. You can re-connect the harness after unlinking.
If the stock exhaust has been changed, disregard this
step. ThunderMax does not support active exhaust

Step 6

To link to the module, turn the key switch to the

“Ignition” position, making certain the “RUN / OFF”
rocker switch (Kill Switch) on the handlebar controls is in
the “RUN” position.

Select the “Link”
Button in the
SmartLink software.

The button turns
green to indicate a
successful link. Answer

[No] to the “Do you wish to

READ the module map now” question at this time.

From the toolbar, click

[File] [Write Module Maps and

Settings], answer OK to the message that informs you
that you are about to overwrite the current map in the
module; the transfer bar appears during the map load.

Step 7 Verify Module Settings. Before performing this
step, clear any active Diagnostic Code readings. While
linked, from the Tuning Tree select


Configuration] [Diagnostic Codes].

When the Diagnostic Codes window appears, select
[Clear Diagnostic Codes]. After completing this step,
select Basic Settings from the Module Configuration
menu and verify that the speedometer calibration is
correct. After verifying these settings, click

[Write Basic

Settings]. If the installation is to be operated in closed
loop mode (with AutoTune module), select
[Configuration] from the toolbar menu and click
[Closed Loop Configuration]. Verify that the [Closed
Loop Processing]
and [AutoTune] boxes are checked

on the left (module) side of the window.



‘Initialize’ the ThunderMax ECM. Initializing

synchronizes ‘home’ positions for the TPS and IAC, and
is a required step any time battery power has been
interrupted or established to the ThunderMax ECM.
With the handlebar switch in the ‘ON’ position, cycle
the key switch on and off 3 times, leaving the
ignition on for 30 seconds, then off for 30 seconds,
each cycle.
DO NOT start the engine or move the
throttle during this process. After 3 on/off cycles, make
certain that the motorcycle is in neutral and start the bike
2 times, letting it settle at idle for 10 seconds; the idle
should be smooth and steady. Some engines may
require several on/off engine starts to initialize properly.
This initialization process
must be performed any time
battery power is interrupted
to the module (after battery
servicing/winterization, etc)
After initialization, shut off the
engine, but stay linked for
step 8.

XL 883



XL 1200




309-365 Installation / Setup Guide V2009.04.23