Typical AFRs

[Bruce]

From: "Don DRI05 Ricciardiello" <dricciardiello at qantas.com.au>
Subject: Typical AFRs
> I understand the pitfalls of tuning to AFR however in my case (carburetted
> motorcycle) I've fitted aftermarket carbs to my project bike and therefore
> have no baseline jetting data. Therefore, I ask, what are some baseline
AFR
> figures I can aim for (when I get my wb-o2 up and running :-)) at the
> following engine operating conditions;

> 1. idle      14-17:1
> 2. cruise   14-17:1
> 3. light acceleration, mid throttle transients  That accleration
enrichment and it's by application
> 4. WOT   N/A?  start at 12.2 and lean from there.
> 5. High RPM closed thottle overrun  Turn  injectors off

All the normally disclaimers:
you get what you pay for
Not to be attempted with adult supervision.
Your results may be completely contraire to what I outlined
Tuning can be dangerous
Doc might what a test ride when your done (he's to short to drive any normal
M/C)
Bruce


> Many thanks
> Don


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