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HelicopterEngines Plugs Mufflers Fuel › Parts for YS91AC
03-13-2003 07:09 AM  14 years agoPost 1
mainshaft

rrNovice

Bangkok Thailand

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Any website that I can order some parts for YS91AC four stroke?

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03-13-2003 03:01 PM  14 years agoPost 2
Brian Weekley

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Victoria, BC Canada

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03-13-2003 03:15 PM  14 years agoPost 3
4stroker

rrApprentice

Stokesdale,NC

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I don't know of a web site, but have you contacted YS Performance? They have anything that you would need.

4stroker

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03-13-2003 03:16 PM  14 years agoPost 4
Obsessive

rrKey Veteran

41.73N 71.41W

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What parts do you need? I bashed one several years ago, and still have many components; having preserved them in a bath of klotz oil since then.

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04-01-2003 06:21 AM  14 years agoPost 5
reefguy

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palmdale california

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ys91ac

hey guys, i have a question i just put together a tsk ms60 with ys91ac,
does the throttle from close to open is ony 1/4 quarter turn of servo circle, what is the main needle valve settings(how many turns out), this engine was ran in a fury before my heli, so i finally started today, notice that i had a hard time starting, had give full throttle trim, and little bit of throttle stick to keep started and idle, then out of the butterfly choke, bit of fuel oil is coming out, when i did rev, it did sound good, lots of 4 stroke power, so any advice on carb settings would really help, thanks,

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