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First Service - Check Engine Light

LawnDart

LawnDart

Just got it firing!
Joined
May 5, 2015
Messages
7
Location
Kansas
Just finished the first service - fluids, heads & valve torque, etc.
After oil refill, I turned the engine over with the spark plug wires disconnected to cycle oil a bit before a full start. The starter would turn for a bit, then stop. I did this twice.
I connected the high tension wires and started - started fine and sounded great.
Turned off and started again - amber engine light illuminated immediately.
Repeat - turned off and started again - amber engine light illuminated immediately.
Turned off and checked/wiggled canister, opened fuel cap.
Restarted - engine light off.
Repeat - restarted and engine light still off.

Was the ECU complaining about the couple failed starts? Do I need to reset ECU? No worries?
 
Possibly because you stopped and started quickly the oil pressure in the system was still high and the oil pressure switch was "on" . I think the ECU sees this as an error because when you start the bike, the ECU wants to see an "off", does that make sense?
 
Makes sense, thanks.
The starter stopped cranking on its own - I guess since the engine could not start without spark plug wires attached.
Does a code like this need clearing or is it more like a pending code that gets dropped if it does not repeat?
 
I think the engine will crank for 7-10 seconds automatically and then the ECU times out the starter motor or as soon as the ECU sees the engine attain 700 rpm it will stop cranking, I think the code will need clearing as it will be memorised.
 
Cranking the engine with the spark plugs disconnected can be bad for the ecu and ignition system. If you want to crank and not start, plug the wires to the spark plugs while they are out of the head and ground them to the cylinder.
 
Lorazepam is right; on an EFI bike you've got to ground the plug wires to the frame to complete the circuit (if they're not connected to the plugs).

I use spare set of plugs and jumper cables. Otherwise you could damage the electrical system.
 
YUP, don't ever crank it over with the spark plug wires not grounded, it sends the computer into search mod. Sort of like Momma bear looking for the cubs.
 
Wilco - thanks guys.
The monsoons let up for a while yesterday and managed a 40 mile ride - all is well.
 
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