Hayabusa rough idle

Discussion and support for MoTeC's previous generation ECUs.

Hayabusa rough idle

Postby srd700 on Sat Mar 20, 2021 12:06 am

With ref to my previous post, has anyone experienced poor idle on a Hayabusa engine?, image attached.
Cheers
Steve
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Re: Hayabusa rough idle

Postby David Ferguson on Sat Mar 20, 2021 2:51 am

Is the mechanical condition OK? No air leaks, compression good, clean/new plugs, injector spray pattern tested.

Is it wired correctly? lower / upper injectors aren't swapped or something, injectors / coils wired in firing order not cylinder number.

Do you have any diagnostics errors on ref/sync, injectors or ignition?

Do all sensors values seem reasonable?
David Ferguson
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