This mod is to allow the sidestand safety switch to still work, yet allow the engine to run in neutral with the sidestand down. This worked on my 1994 California 1100 and it looks like it will also work on EVs through at least 2002. I believe all of the newer models already have this feature.
First, of course, is the need for a reliable neutral light. Both of mine work very well. I did have to bend the tab on the switch for the California a little bit many years ago.
You will need a small signal transistor like a 2N2222, a 470 ohm 1/4 watt resistor, some small heat shrink and large heat shrink, a small wire tie and a piece of wire to run from the relays to the neutral light switch.
First, find the sidestand relay. Refer to a schematic like the ones at http://www.dpguzzi.com. This relay has the sidestand switch on one side of the coil (gray wire). The other side of the coil has a short jumper wire (white wire) that goes to the common contact of the same relay. Cut this jumper wire in half and slip some small heat shrink over each of the wires. Solder the E (emitter) of the transistor to the cut lead going to the coil. Solder the C (collector) of the transistor to the other cut lead from the relay contact. Run a wire from the neutral switch to the transistor. I ran mine under the airbox. Connect this wire to the 470 ohm resistor. Connect the other side of the resistor to the B (base) of the transistor, again using heat shrink over the lead and resistor.
You should now have something that looks like this under the relays.
Now put a small wire tie on the three wires. Slip a piece of heat shrink over the whole thing like this.
Connect the other end of the wire to the neutral light switch. I spliced into the wire behind the starter. It would probably be better if it were done in the harness under the gas tank if you are going to take it off. I added an inline connector to let me unplug things if I need to. (probably just something to corrode and fail!)
That is it. Now the cutout relay won't have power to cut off the engine when in neutral.
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last update 11/30/02