Two Brothers Racing Yamaha Rhino 660 Dyna FS Ignition - Manual

Dyna FS Ignition
DFS 7-13 2004+ Yamaha Rhino 660
CAUTION! 9,000 RPM LIMIT (stock ignition 7,700)
CAUTION! No Forward or Reverse vehicle speed limiter.
Congratulations on your purchase of a Dynatek ignition. Please take a moment to read these instructions completely before
installing the ignition. The installation will only take a few minutes, but proper setup for your specific engine will take
longer.
The DynaFS ignition was designed to work best with the stock coil, coil wire, plug cap, and spark plug. Use resistor type
spark plugs ONLY. Use the stock resistor style spark plug cap.
This kit includes: DynaFS ignition and instruction sheet. This is a complete kit, and includes everything needed to install
the ignition.
Installation
1)
Turn ignition key off, and remove the battery negative (-) cable for safety. Locate the stock ignition box, it is
under the front hood, next to the battery and mounted vertically.
2) Remove the screw that holds the ignition to the battery box.
3) Unplug the stock ignition, taking care not to damage the harness connectors. There is a small tab on the harness
connectors that must be pushed in to unplug it. Remove the stock ignition from the vehicle. Keep the stock ignition
in a safe place - it may be required for troubleshooting.
4) Plug the Dyna ignition in. Install the Dyna ignition in the factory location. Reconnect the battery terminal, make
sure all fasteners are tight.
Calibration
The Dyna FS ignition is preprogrammed with a performance curve, based off of the stock curve. The final timing has been
increased 4°, and has a faster transition to maximum advance.
NOTE - Use of this ignition may or may not require rejetting of the carburetor to supply more fuel to maximize
performance gains. Idle speed may also need to be readjusted. If you are unsure of this tuning process, the services of a
competent mechanic should be employed. Do not operate the engine in a lean condition for extended periods or damage
may result.
NOTE - The stock ignition has a 7,700 RPM rev limit. The DFS rev limit is pre-programmed to 9,000 RPM. Because the
rev limit is so high, the performance limits of other engine parts (valvetrain or connecting rod for example) may be found.
It may be necessary to replace these parts for best engine performance. Consult with an engine builder for answers on what
works best for your engine.
Troubleshooting
Troubleshooting the Dyna ignition is simple. If the vehicle will not start or run at all, reinstall the stock ignition. If this
fixes the problem, then the Dyna ignition should be returned to Dynatek for testing. If this does not fix the problem, then
the problem is somewhere else on the vehicle. Follow the troubleshooting procedures outlined in your shop manual.
If the engine runs, but poorly, put the stock ignition back on the vehicle. If this fixes the problem, reinstall the Dyna
ignition. If you are using non stock plug wires, plug cap, ignition coil, spark plug, or stator, replace them with OEM units.