Cooler weather, Morini Carb

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cory151

Member
Oct 19, 2010
466
0
16
SoCal
Has anyone had to make adjustments to there Morini Carbs due to the cooling of the weather? I feel like Ive had to adjust my idle a bit and possibly my little mixture screw.

What do you think>
 

cory151

Member
Oct 19, 2010
466
0
16
SoCal
Just for the heck of it I took the whole carb out and removed/sprayed out the two jets (with brake cleaner) accessed from the float bowl. I dont think it did much of anything but it was just a precautionary measure.
 

rustycase

Gutter Rider
May 26, 2011
2,746
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Left coast
Pilots are aware of 'air density altitude', I think it's called...
...they go to full rich for take-offs, and know it's better to take off with full loads first thing in the morning than waiting 'til later in the day.

IMO, with the little buzzy engines, it's best to tune a bit fatter than optimum hp performance so there is less noticeable difference with temp/humidity/air density changes.

YMMV lol
rc