EFI light, oil pressure light, why?

brett_robert said:

Well Spoonz, I have an update for you mate if you've got a spare minute for me to pick your brain. I charged my battery using a trickle charger, then hooked it back to the RSVR. The dash read 12.2 volts. I attempted to the start the bike. The ECU went through the startup sequence with the usual sounds. I hit the starter, which worked. The engine turned over but it did not start. Under load the voltage dropped from 12.2 to 10.

The dash read EFI after turning the RSV over.


Any suggestions would be most welcome.

Cheers.

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brett_robert said:

Spoonz, my useless battery was a Motobatt - 11 months old in fact. I bought a Yuasa, chucked it on the trickle charge to be sure and then installed. Went through the 15 sec turn on then turn off sequence. cycled through to the volt metre, which displayed 12.1 volts. Sigh.... same as my last battery. I turn it over and straight down to 9 volts under load... again, sigh. So I checked all the connectors in the tail and under both the L and R side fairings. Opened them all and gave them a little white. Sprayed a little contact spray for good measure too.

I haven't removed the tank or nose yet.

Starter solenoid is from a Yamaha, I have a rewound stator and I removed the brown connector plug under the reg/rect for also good measure!

Diagnostic setup read EFI and no faults.

Any suggestion would be welcome.

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brett_robert said:

Mate, I'm convinced I have an electrical ghost.

So I went and grabbed a mates multi metre. I checked the battery while the ignition was turned off, 12.9v, checked the reg/rec and completed a series of checks there, all seemed good, numbers were good (based on another thread outlining these steps) I lifted the tank from the front and placed a rod propping the tank up. I wanted to check if there was a connector I'd missed for a clean and spray. There wasn't so down it went. I hit the starter with the rec/reg unplugged still and the RSV turned over and started. I turned it off and plugged the reg/rec back in. Again the RSV started. Using the multi at the battery terminals it read 13.5v, the volts at the dash read nearly the same.

The RSV ran without a hitch.

What on earth have I done?

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