Two Brothers Racing Yamaha Rhino 660 Dyna FS Ignition - Manual

Dyna FS Ignition
DFS 7-13P 2004+ Yamaha Rhino 660
CAUTION! 9,000 RPM LIMIT (stock ignition 7,700)
CAUTION! No Forward or Reverse vehicle speed limiter. (See CALIBRATION below)
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, Curve Selector Switch, 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. Route the Auxillary Programming
Harness to a location that can be easily accessed. Reconnect the battery terminal, make sure all fasteners are tight.
Calibration
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.
The DynaFS is programmed with 4 advance curves. A quicker throttle response and increased power over the stock curve
is achieved. For other advance curve information, see the attached Advance Chart.
This ignition can potentially allow the engine to rev to a higher RPM. Because the rev limit can be increased, the
performance limits of other engine parts (valvetrain or piston for example) may be found. It may be necessary to replace
these parts for best engine performance.
This ignition for the Rhino utilizes the stock VEHICLE SPEED SENSOR, and through the optional laptop programming
software “DFS CurveMaker”, can be programmed for any forward speed limit. The ignition comes with the factory 40
MPH limit when Curve 4 is selected (or when the Curve Selector Switch is disconnected). The other three curves are set to
approximately 99 mph. This can be adjusted in the CurveMaker and sent to the ignition via a programming cable (not
included with ignition).
The REVERSE engine rev-limit can also be adjusted in the CurveMaker, it comes default at 9000 rpm (same RPM as the
forward rev-limit. Reverse vehicle speed limit is not programmable, and is unlimited.