Not your usual not priming post - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 4 (permalink) Old 05-15-2017, 01:30 PM Thread Starter
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Not your usual not priming post

Here we go.

Model Year: 2001

Mods: SP2 Swing-arm, flapper mod, pair delete, COP, PCV with Autotune, Hindle high mount exhaust

Problem: Bike ran very strong until a day ago and developed an intermittent fuel pump priming issue upon startup attempts. Stalled once while on the highway as well. One of the relays every now and again will constantly click.

Steps taken so far;
1) fuel pump wiring checked for nicks.....none found
2) tested fuel pump.............checked out OK
3) checked/cleaned kill switch..........works as it should.
4) replaced relays with known good units...........same result
5) check wires for both relays for continuity....checked out OK
6) disconnected PC ..............same result
7) MIL (FI)light when service wire plug jumped stays solid (an ECU concern as per manual??)
8) swapped ECU with known good unit..........will test ride in the next couple of days.

Have I missed anything and/or has anyone else had this/these issues?

Cheers:

Dave
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post #2 of 4 (permalink) Old 05-15-2017, 02:21 PM
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Did you check the bank angle sensor?
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post #3 of 4 (permalink) Old 05-15-2017, 02:40 PM Thread Starter
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That's my last hope. Just thought that after all my checks and the solid FI light when using the service connector pointed to a malfunctioning ECU?

Thanks Dave
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post #4 of 4 (permalink) Old 05-18-2017, 01:35 PM Thread Starter
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Bank angle sensor checked out fine.
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