Quote:
On 2007-02-22 14:23, YETI wrote:
Hey dougl, I picked up my bike today, as I'm riding it home I noticed that it is backfiring on deceleration, does yours do this too. :???:
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I didn't mention that my dealer hasn't installed any PCIII's on Rockets - only on H-D's. He tested one out on his Rocket when the PCIII's for the Rocket came out and claims it didn't work. I haven't checked with him lately - he may be doing it now. I'm surprised that people with Jardines in my area haven't insisted that he do it.
He told me that the PCIII should get rid of the popping on the Rocket as it does with H-D's with custom exhausts. Basically, the problem is too lean a mixture in those cells at zero throttle position under load. Since the PCIII comes with a setup to disable the Rocket ECU's closed loop under the same conditions, I don't see why a proper PCIII tune in this region wouldn't fix it.
I have Tuneboy and have reduced the popping by messing with the L tables (with Wayne's help).