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03-31-2016, 11:50 AM
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#1 |
 Join Date: Mar 2016
Posts: 1
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GY6 50cc
I have a couple concerns on this GY5 50cc motor i bought off ebay for a little project.
Im curious on what this port is for on the front of the engine  also Im curious what are the 2 vacuum ports are for on the intake elbow.  Thanks guys! |
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04-02-2016, 09:04 AM
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#2 |
 
Join Date: Dec 2013
Location: Western New York
Posts: 454
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1. Part of emission control system. A lot of folks remove this stuff, then make and attach a block off plate to the opening. There are part suppliers that sell these plates, but they are easy enough to make.
2. Vacuum ports are there to operate fuel petcock/pump, and the ACV/anti backfire valve on the right side of carb. Some manifolds have just one nipple....doesn't matter either way, just cap off unused ones.
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2011 Jonway 150cc..16,109 breakdown free miles, and counting
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