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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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10-07-2009, 11:35 AM | #1 |
Not Yet Wild
Join Date: Sep 2009
Location: Middle Tennessee
Posts: 55
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81 G1 Questions
Hey Yammy Guys,I got Questions:Is 125lbs ok on compression?What does the vacum line from the muffler to the oil pump do?I've got no oil at the carb,new in-line oil filter which is full of oil and oil is going to the pump.Also,what does the line from the oil tank to the rear-end do?The old girl has been sitting up for 2 years and I can't get her started.BBQ'd the muffler,cleaned the carb,inspected the reed valves,new gas in the tank.Pretty good spark at the plug,it will hit and run for a couple of seconds on carb spray. Any suggestions will be greatly appreciated.
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10-07-2009, 12:28 PM | #2 |
Not Yet Wild
Join Date: Aug 2009
Location: Mickey & Minnie Land, FL
Posts: 19
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Re: 81 G1 Questions
I've got about the same problem with an 81, in that it won't run but has good compression (120 on mine), spark, gas, etc. I read about the crank seals being a possible problem but haven't changed those on my cart yet. Maybe they are your problem?? Look at some of the posts about the seals here for help.
Good Luck, Bill |
10-07-2009, 03:55 PM | #3 | |
Not Yet Wild
Join Date: Aug 2009
Location: Iowa
Posts: 54
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Re: 81 G1 Questions
Welcome to BGW!
I'm not an expert but I believe 125 is pretty good from other threads I've read. Mine has 115 and runs pretty decent. I think the oil line to rear end is just a breather/vent tube if it's like my '84. Since it runs a moment on carb spray but dies, it lacks fuel. You might try spraying some where the crank shaft seal is behind the clutch. If it's not creating enough vacuum it may not be bringing the fuel/air mixture from the carb. Quote:
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10-07-2009, 07:22 PM | #4 | |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: 81 G1 Questions
Quote:
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10-08-2009, 06:00 AM | #5 |
Not Yet Wild
Join Date: Sep 2009
Location: Middle Tennessee
Posts: 55
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Re: 81 G1 Questions
Thanks to all for the responses,now I know a little bit more about what is going on.Actually,Dave,I am getting fuel to the cylinder,the spark plug is wet.I'm pretty sure the spark is strong enough so I am leaning toward the seals after reading the threads that have the same problems.
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10-08-2009, 10:41 AM | #6 |
Not Yet Wild
Join Date: Sep 2009
Location: Middle Tennessee
Posts: 55
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Re: 81 G1 Questions
Is it mandatory that the engine be removed to replace those seals or can it be done with the engine installed?
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10-08-2009, 12:16 PM | #7 |
Admin/Moderator
Join Date: Dec 2006
Location: Ohio
Posts: 18,052
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Re: 81 G1 Questions
It can be done with the engine in the cart. Just pull out the gas tank.
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Ron
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10-08-2009, 07:47 PM | #8 |
Not Yet Wild
Join Date: Sep 2009
Location: Middle Tennessee
Posts: 55
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Re: 81 G1 Questions
Thanks,I might make this a winter project and I certainly will have more ?.
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