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YS 4-stroke fuel line routing diagram

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YS 4-stroke fuel line routing diagram

Old 10-10-2018, 04:15 PM
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Flyguy1791
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Default YS 4-stroke fuel line routing diagram

Good evening all,

Could someone stear me in the right direction , for some 4 stroke fuel line routing ..
I have a YS fz53 a bought used and the manual shows the proper way but
The fuel line runs from tank to ( R ) or second nipple at front of engine with a fuel filter in line.
The vent line has a one way valve in line that keeps pressure in tank , all new to me but has a pressurized tank.
and goes to ( L ) or 1st nipple at front of engine.

Then the YS home page shows the opposite , i'm probably just not understanding it

Anyone have a route of flight from the tank to the proper locations?

Thanks in advance for any feedback,

Tony
Old 10-11-2018, 04:07 AM
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scale only 4 me
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Yes, check valve on the left (when viewed from rear of engine)
Old 10-13-2018, 07:04 PM
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Flyguy1791
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thank you , ended up being check valve being wrong direction...appreciate the fast reply.
Old 11-15-2018, 07:39 PM
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Originally Posted by Flyguy1791 View Post
thank you , ended up being check valve being wrong direction...appreciate the fast reply.

I would venture to say every YS owner has done that at some point. Myself included!!

Ken

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