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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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10-15-2010, 08:56 PM
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#1 |
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Not Yet Wild
Join Date: Oct 2010
Posts: 7
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g9 valves
does anyone know if the g9 motor oils the valves or are they suppose to be dry? I just bought a g9 cart from a friend of mine, and when i adjusted the valves they were dry.
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10-16-2010, 12:07 AM
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#2 |
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Yamahaulin' CC Rider
Join Date: Jul 2010
Location: Altadena, CA
Posts: 684
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Re: g9 valves
The valves are oiled. The rubber hose that goes from the crankcase to the valve cover is the oil delivery hose. Oil splash, then air pressure from the piston downstroke forces oil up the hose and onto the rocker arms and valve stems.
If the engine has been sitting a long time, the oil will run back into the crankcase. Check the hoses, and pour a little oil on the valves and rockers before running the engine. Hope this helps... |
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10-16-2010, 12:27 AM
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#3 |
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G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: g9 valves
There is a little check valve in the hose that comes off the passenger side of the valve cover. It may need cleaning or replacement. You can see the hose in this picture.
I would change all hoses in the process of making your car run tho. |
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10-16-2010, 11:47 AM
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#4 |
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Not Yet Wild
Join Date: Oct 2010
Posts: 7
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Re: g9 valves
Checked all the hoses, checkvalve, oil level, everythings good. The engine has been recently rebuilt,is there any thing that could have been done during the rebuild to cause this problem?
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10-16-2010, 07:27 PM
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#5 |
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Not Yet Wild
Join Date: Oct 2010
Posts: 7
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Re: g9 valves
think i found the problem, the guy who rebuilt the motor put the check valve on backwards. I turned it around seems to be working. thanks for the help!
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10-16-2010, 10:40 PM
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#6 |
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Yamahaulin' CC Rider
Join Date: Jul 2010
Location: Altadena, CA
Posts: 684
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Re: g9 valves
Glad it's working. Sorry I didn't mention the check valve - thanks Mike Mac!
Keep us posted on the cart's progress, and have fun! |
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10-16-2010, 11:32 PM
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#7 |
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G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: g9 valves
I didn't do anything, I didn't tell you to blow through the hose so see if the valve was working or in backwards! But glad you found it! Now go ride it and have fun!!
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