YS61ST2 Engine plumbing  
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All Forums >> RC Helicopters >> RC Helicopter General Discussions >> YS61ST2 Engine plumbing
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YS61ST2 Engine plumbing - 9/22/2002 8:25:01 AM   
Amoore


 

Posts: 43
Joined: 8/28/2002
From: Dayton Ohio
Status: offline 		Hi All,
I'm new to Heli RC. I'm not familiar with what the purpose is of having a check valve on the YS61st2 engine between the backplate nipple fitting and the fuel tank. Is this because the engine has a built in fuel pump?

I'm used to car engines, just plumb it to the exhaust pipe and go.

I got this engine used without the check valve. Can I run it without the check valve? If not what direction does it run?

The owners manual also says to only use a YS check valve. What's the kick? Can I use an aftermarket one?

Also, where is a good place to plumb in a T-fitting for a refueling line?

Thanks Guys!
       Post #: 1

One More question - 9/22/2002 8:28:20 AM   
Amoore


 

Posts: 43
Joined: 8/28/2002
From: Dayton Ohio
Status: offline 		Oh yeah,

I also have a HAtori 666 pipe with this engine mounted on my Freya.

I noticed that the fuel pressure line is right at the header where it comes out the engine?!?!
I'm used to seeing the fuel pressure fitting being on the actual pipe itself. Does this change anything in regards to setup?

Won't the exhaust at that poin be to hot and possibly ignite the fuel in the tank?

Thanks again!
Aaron

(in reply to Amoore)
       Post #: 2

YS61ST2 Engine plumbing - 9/22/2002 6:57:45 PM   
N71505


 

Posts: 75
Joined: 8/29/2002
From: Mpls Minnesota
Status: offline 		You can check the YS website, lots of good info there


http://www.ysperformance.com/


_____________________________

Ron
Raptor 30

(in reply to Amoore)
       Post #: 3

YS61ST2 Engine plumbing - 9/22/2002 11:41:24 PM   
Ergo60



Posts: 421
Joined: 12/14/2001
From: MI
Status: offline 		With the YS you DO NOT use muffler presure, just seal off the hole. Route the line with the checkvalve from the backplate to the pressure fitting on the gas tank, and the fuel line to the engine.

(in reply to Amoore)
       Post #: 4

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