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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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06-30-2013, 12:13 AM | #1 |
Not Yet Wild
Join Date: Jun 2012
Posts: 2
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Yamaha G2 spark fuel compression will not start please help!!!
Hi this is my first post on here! I have been rebuilding a yamaha g2 in my garage for the past 1.5 years. It ran prior to doing the following. I have put a new starter generator new carb new plug all new fluids. new battery after rebuild the cart was smoking badly and backfiring so I decided to do a valve adjustment and now the cart will not start at all. It turns over strong and tries to start but will not run. there is a little bit of gas coming out of the intake side of carburetor. I have no air filter on while testing or I put a K&N filter on makes no difference. The carb is jetted. I have tried everything from doing the valves over and over again. I have fuel going to the piston, I have good compression at 130-160 with gauge. The carburetor had a few backfires out of the air filter side at one point. I removed the muffler and tried to start and saw a few flames come out the exhaust side still did not start. A little bit of gas came out of exhaust side. Spark plug has spark outside of cart touching muffler metal. however I take a shock from the plug cap even using pliers. I also have a broken spark plug end cap but just a few pieces chipped off the metal cap is still in good shape. could this be an issue? Is it my ignition coil? Do I have a bad ground? Would it still spark on the plug with a bad ground? I have tried everything please help!! if you can get my cart running I will paypal you $20.00
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06-30-2013, 11:32 AM | #2 |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,874
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Re: Yamaha G2 spark fuel compression will not start please help!!!
Sounds like you may have gotten the cam/crank/balance timing marks off. If you set the valves at .004 (both intake and exhaust) and your gettting fuel out of carb and exhaust.
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06-30-2013, 11:40 AM | #3 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Yamaha G2 spark fuel compression will not start please help!!!
Sounds like the carb is set up too fat. Too much fuel to the cylinder.
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06-30-2013, 09:23 PM | #4 |
Not Yet Wild
Join Date: Jun 2012
Posts: 2
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Re: Yamaha G2 spark fuel compression will not start please help!!!
how do I set up carb not to be too fat??? not sure what exactly that means??
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