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BASIC DYNO OPERATION
Connecting the RPM Pickup
Version 2 Above Ground Model 200iX/250iX Motorcycle Dynamometer Installation Guide
Erratic tachometer operation can be caused by Electro Magnetic Interference (EMI).
The following are some steps that the user can take to clean up the signal if an EMI
situation occurs.
• Ground the computer case to a good earth ground, like the receptacle box.
• Keep the computer as far away from the dyno as possible.
• Try attaching one secondary inductive cable to one wire and attach a second
inductive cable to the first in a piggy back fashion. The first inductive cable acts as a
filter.
• Using a jumper wire, ground the metal case of the inductive clip to the motorcycle
chassis.
Route the inductive wire(s) 90 degrees (perpendicular) away from the motorcycle.
When laid alongside (parallel) to the motorcycle they can act as an antenna.
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