Fuel for YS 4 strokes?  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Fuel for YS 4 strokes?
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Fuel for YS 4 strokes? - 4/22/2005 9:02:23 PM   
Sparky71


 

Posts: 109
Joined: 12/28/2001
From: westminster, MD, USA
Status: offline 		This topic may have already been beat to death but I have had my first success getting a new 91Z to run by using Cool Power 20% Heli and would like to know what others are using? I have heard Pro Pattern is good also. How about a higher nitro % ? does the nitro matter as long as I have at least 20% lube?

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If it ain't broke, don't fix it!
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RE: Fuel for YS 4 strokes? - 5/16/2005 4:02:19 AM   
d_bodary


 

Posts: 864
Joined: 4/9/2004
From: trenton, MI, USA
Status: offline 		In my ys 91fz and 110fz engines i have always used power master ys 20/20. one of my friends uses wildcat ys20/20 all with good results. cool power pro pattern will also work very well as that has the correct amount of oil needed. ys engines always respond well to more nitro so yes 20,25 and even 30 percent nitro will work fine.

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(in reply to Sparky71)
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RE: Fuel for YS 4 strokes? - 5/27/2005 11:45:35 AM   
Supertronic Systems-Malta


 

Posts: 143
Joined: 5/27/2005
From: B'KARA, MALTA
Status: offline 		The best fuel you can use is Byron Premium YS fuel 20% nitro with 20% synthentic.Part number is (2120019)

(in reply to d_bodary)
       Post #: 3

RE: Fuel for YS 4 strokes? - 5/27/2005 12:11:24 PM   
Hobbsy



Posts: 10563
Joined: 12/2/2001
From: Colonial Beach, VA, USA
Status: offline 		The best I've found is WildCat ProMix 20% nitro with 18% lube that is 95% synthetic and 5% castor. It burns clean and has excellent compression when hand flipping.

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"I have gone faster backwards, upside down and on fire than most people have gone at all" Don Garlits
       Post #: 4

RE: Fuel for YS 4 strokes? - 5/27/2005 12:46:26 PM   
joeb102072



Posts: 1074
Joined: 6/17/2003
From: Coventry , RI, USA
Status: offline 		power master YS 20/20 or 30% heli for that extra boost of power. All I run are ys's and those are the only 2 fuels I ever buy. So far not an issue. Been flying for 12 yrs.

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YS engines, not more than you need, just more than you're used to.

(in reply to Hobbsy)
       Post #: 5

RE: Fuel for YS 4 strokes? - 6/6/2005 12:11:02 PM   
Sparky71


 

Posts: 109
Joined: 12/28/2001
From: westminster, MD, USA
Status: offline 		Thanks for the input guys, some of the brands you mention are not available in the hobby shops in my area, I am satisfied with the Cool Power 20% heli for the FZ91 but it doesn't work in the 140L. I tried 25% pro-pattern in the 140 and it was a lot better, apparently the increase in nitro helped, however pro-pattern has a high viscosity lube and my manual for the 140L calls for Low Viscosity! Cool Power lists 2 kinds of 30% heli, one is high viscosity and the other is low, has anyone tried these? Also trying to find out about the lube in Magna heli fuel and cannot find their web site, anyone know?

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If it ain't broke, don't fix it!

(in reply to joeb102072)
       Post #: 6

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