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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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08-01-2017, 01:44 PM | #1 |
Not Yet Wild
Join Date: Aug 2017
Location: Richmond, KY.
Posts: 5
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My Old G1 won't Start
I have a mid-to late 80s Yamaha G1 2-cycle engine golf cart that suddenly will not start. It's an older model (1985-89) that starts by pulling the choke and turning the key to forward or reverse while depressing the gas pedal. The engine has spark (timing is good), compression, and gets fuel (wet spark plug after cranking), and it also has been rebuilt on the top end (bottom end and bearings and seal are all still good). It has gas and oil. Other than that, the engine does turn over good but will NOT start. Any help or ideas is really appreciated.
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08-01-2017, 02:59 PM | #2 |
Not Yet Wild
Join Date: Aug 2013
Location: beaver falls, pa
Posts: 21
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Re: My Old G1 won't Start
hey buddy do you have a spark tester. check and see if its on and off nice a bight. or just change the condenser they are cheap. good old points and condenser.
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08-02-2017, 03:29 PM | #3 |
Gone Wild
Join Date: Jan 2017
Location: venice
Posts: 1,807
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Re: My Old G1 won't Start
no points and condensers on that ole girl. CDI ignition. I would double check the spark with a tool gapped correctly.
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08-02-2017, 04:45 PM | #4 |
Gone Wild
Join Date: Jun 2015
Location: NW Iowa
Posts: 1,669
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Re: My Old G1 won't Start
Try new plug and double check compression with a gauge
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08-02-2017, 06:39 PM | #5 |
Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,948
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Re: My Old G1 won't Start
Just one guy's opinion but if all of the things you have listed as being good are actually good then, literally, the cart would start as you have all the bases covered. At least one of things that you have listed as being good can't be.
Are you sure you are getting spark? How are you checking it? Just because the motor is being turned by the starter doesn't mean spark is there. If the plug is wet and if you are sure compression is good then, really, it HAS to fire if the spark is there. |
08-02-2017, 07:59 PM | #6 | |
Not Yet Wild
Join Date: Aug 2017
Location: Richmond, KY.
Posts: 5
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Re: My Old G1 won't Start
Quote:
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08-02-2017, 08:25 PM | #7 |
Not Yet Wild
Join Date: Aug 2013
Location: beaver falls, pa
Posts: 21
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Re: My Old G1 won't Start
you could do a leak down test to see if your crank seals are gone. did you test compression with a gauge. you think reed valves could cause the gasses from being pushed to the upper cylinder. also check your air filter 2 strokes are touchy in air/fuel ratio.
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08-02-2017, 08:51 PM | #8 |
Addictive Personality
Join Date: Jun 2017
Location: Rio Linda, Ca.
Posts: 1,289
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Re: My Old G1 won't Start
Almost sounds like a flooding issue. Might check for weak spark, clogged air filter or intake, fuel mix screw fell out (has happened to me). Any combustion engine will run (however badly) with fuel, air, spark.
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08-03-2017, 07:45 AM | #9 | |
Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,948
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Re: My Old G1 won't Start
Quote:
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08-07-2017, 10:39 AM | #10 |
Not Yet Wild
Join Date: Aug 2017
Location: Richmond, KY.
Posts: 5
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Re: My Old G1 won't Start
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Tags |
2-stroke, g1a, gas, golf cart, yamaha |
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