Reverse Rev-Limiter Bypass for VinsonApril 2/06 Written by Greg The Suzuki Vinson has a reverse rev limiter, which limits your reverse speed. Sometimes when you are stuck, you need to spin the tires in reverse to get out, but the limiter prevents you from doing so. This mod will allow you bypass the reverse rev limiter. This will work for 2005 models; it hasn't been tested on other years. 1.) Mount an SPDT switch in a convenient location. 2.) Cut the Blue/Red wire coming from the CDI, leaving enough wire to work with. Ensure you have the correct Blue/Red wire; there is only one attached to the CDI but there are others in the harness. 3.) Attach the Blue/Red wire from the CDI to the center pole of the switch. 4.) Attach the harness-side of the Blue/Red wire to one side of the switch. 5.) Attach a new wire to the Red/White wire from the CDI (tap in the new wire; do not cut the Red/White wire). 6.) Solder a 1N4001 diode between the new wire and the other side of the switch. The striped end of the diode goes to the switch. I recommend covering the entire diode with heat-shrink tubing. ![]() That's it. When the Blue/Red wire is attached to the Red/White wire via the diode, your rev limiter is bypassed. For safety reasons, keep the switch set to the normal position unless you require the bypass. Notes• Use a waterproof switch. • Do not use Scotchlock connectors to splice into your wiring harness, as they are prone to failure due to vibration. Solder and heat-shrink your connections and you will have no problems. • Use a grounded-tip soldering iron and resin-core solder. Do not use a soldering gun and acid-core solder. • The CDI is mounted on the front of the rear storage box. • The wiring harness in question is located on the upper framerail by the left rear tire. DisclaimerOnly attempt this mod if you know what you are doing. Nobody on this site is responsible for any damage, loss, or injury, consequential or inconsequential, that may occur if you perform this mod. This is a legally binding contract; if you do not agree to it you may not perform this mod. Performing this mod indicates your acceptance of this contract. |
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