F1 light comes on and bike stalls momentarily during accelerration is my ECU bad? - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 2 (permalink) Old 03-23-2012, 04:40 PM Thread Starter
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F1 light comes on and bike stalls momentarily during accelerration is my ECU bad?

during accelleration my RCs F1light comes on and bike shuts down,is my ECU GETTING READY TO TAKE DIVE?Or something else thats not as expensive THANX,Any and all input would be apperciated.
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post #2 of 2 (permalink) Old 03-23-2012, 05:33 PM
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If you have a copy of the service manual (paper or electronic form), follow the section on checking the ECU fault codes using the service connector.

If the problem occurs often or is easily reproducible, you could first clear the past fault codes, leaving only new ones added.
Then you'll be able to see what the current faults the ECU is reporting.

Also, be sure and check your battery posts are snug and clean.
The vibration tends to loosen fasteners over time.

That and rain/humidity cause corrosion on electrical contacts.
By yourself a tube dielectric grease at the automotive store and put a decent amount on every electrical connector you take apart. One tube is more than enough for the entire bike.
On my old wiring harness, I found a few green contacts that were iffy.
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