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10-15-2017, 10:15 AM
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#1 |
 Join Date: Jun 2015
Location: Dandridge,tn 37725
Posts: 57
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Boy where does this putting finger over hole tells people they have compression? Compression gauges takes 4 or 5 cranks to get a compression reading and people tell it by putting finger over spark plug hole LOL.
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10-15-2017, 10:28 AM
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#2 |
 Join Date: May 2017
Location: Norfolk, VA
Posts: 530
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Any decent auto-parts store will loan you a compression gauge. Spark tester also. Just put a safety deposit down on what you wanna borrow. I hope its something as simple as adjusting the carb and maybe changing a fuel filter, and not a motor that was starved of oil causing top end damage. Get in there AJ and give us a update.
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10-15-2017, 03:38 PM
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#3 |
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Join Date: Sep 2017
Location: NE Central Florida
Posts: 37
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To test the compression on one of these engines with a gauge, a 10mm adapter must be used. A standard spark plug is 14mm. You can possibly use the gauge with the rubber insert you shove into the spark plug hole; otherwise your compression gauge has to have the smaller 10mm adapter included to accomodate the small spark plug size. I do not know if the loaner kits at the auto parts store include the adapter.
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10-15-2017, 08:55 PM
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#4 |
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Join Date: Oct 2017
Posts: 15
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ok so i kept fooling around with it today and i finally got it to start again... im almost positive that its a bad ignition coil. i wiggled it around and it finally started again a few times today. but still wants to die at idle. i sucked all the old gas out of it with a shop vac and put some ethanol free gas in it. the oil was black as tar. so i also changed the oil.
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10-15-2017, 09:02 PM
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#5 |
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Join Date: Oct 2017
Posts: 15
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but yes it is beat up a bit. and has been sitting for a long time. and another issue with it... so i purchased a new starter relay and a new starter switch.. and i still cant engage the starter with the button on the handle bar. i have to jump the relay with a screwdriver to get the starter to work.
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10-15-2017, 10:50 PM
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#6 |
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Join Date: May 2017
Location: Norfolk, VA
Posts: 530
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I bought a 98 Zuma scooter that sat for around 1-2 years! Carb had rock hard varnish in it and the tank was a nightmare! I managed to salvage the carb, mostly because we have a industrial parts cleaner at my job, and I cleaned out the fuel tank 3 times total. Also replaced the fuel filter just because it was cheap and easy to get at. Scooter runs like a top now! Sometimes the plug boot/cap gets a damaged spring holder and does not make good contact. It will stall at idle. My Adly had it break in the first 100 miles. I have it kinda rigged now but it has done around 1000 miles now with no issues. Now, other issue. A weak battery will make it hard to start, sometimes not even letting the starter engage. Did you put a new battery in it or was the one with the scooter still good? At the price you paid it does not seem that bad a deal. Cheapest I ever let a scooter go was $400 for a nice and clean 08 Zuma 2 stroke. Still kicking myself because I wanted $750 obo. Long story but I honored the price. Helped someone out and went to a good home, plus I broke even on the deal. Shop Vac and fuel? Wow, you got LUCKY you didnt blow up!
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10-16-2017, 11:35 AM
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#7 | |
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Join Date: Oct 2017
Posts: 15
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Quote:
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Hybrid Mode
