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Technical Service Bulletin Thread TSB (Click to Download)


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  • 11 months later...

Setting SU carb idle mixture adjustment limiter.pdf

Thanks for posting this. Here's a PDF of just the two pages about the SU carb mix nut "adjustment limiter".

That's the mix nut on my 3-screws, alright. Always wondered why it was like that. Now I'm wondering if this will be useful somehow for setting the mix. I'm running the earlier needles and nozzles, they work fine.

With only a third turn of adjustment, guess the chart in the manual that shows a difference of about 2 turns maximum up or down depending of altitude and temperature went out the window? Was this just for emissions?

Edited by Stanley
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