which jd needle for yz timed wr?

HI,what JD needle do you use for your WR if its YZ timed?

As the instructions say the blue one for WR and the red one for a YZ.

Whats the difference between the needles?

The blue needle is richer than the red. I'm not YZ timed, but I usually use the blue below 50 degrees F from sea level to about 3000'.

An update on the needles,had the BLUE 3rd clip one in and it was too rich and killed the plug,put in the RED 3rd clip and new plug and hang on!!:eek: starts first kick and never needs the hotstart.

An update on the needles,had the BLUE 3rd clip one in and it was too rich and killed the plug,put in the RED 3rd clip and new plug and hang on!!:eek: starts first kick and never needs the hotstart.

What main and pilot are you using?

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