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Post by tonyb on Jul 28, 2017 22:18:48 GMT -5
I am new to scooter world. I purchased a 4 year old Xingyue XY150t-7 from a friend. It has about 400 miles on it and does not seem to be firing. I put fresh gas in take (pure gas - no ethanol), new ignition coil and new spark plug. Still not firing. I want to check the CDI, but I can't seem to locate it. Any suggestions?
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Post by oldchopperguy on Jul 28, 2017 23:59:04 GMT -5
I am new to scooter world. I purchased a 4 year old Xingyue XY150t-7 from a friend. It has about 400 miles on it and does not seem to be firing. I put fresh gas in take (pure gas - no ethanol), new ignition coil and new spark plug. Still not firing. I want to check the CDI, but I can't seem to locate it. Any suggestions?
My first scoot was a Xingyue "Eagle" 150. Probably the same bike as yours... My CDI went bad first year and I replaced it with an inexpensive "Red" no-limit CDI from eBay and it ran great. My CDI (and probably yours) was attached to the passenger-side top frame rail, accessed by removing the under-seat storage pan. That comes out easily by removing a few bolts and allows access to most all the engine. If I recall, there are two chrome bolts or nuts at the BACK of the pan, two more at the bottom of the front of the pan, and one big screw in the front wall of the pan. The CDI should be plainly visible on that top rail, held in place by a rubber mount. Replacing the CDI is "plug-n'-play" and very easy... You can also test-ride with the seat-pan removed for adjustments, and replace the pan when all is OK. Hope this helps. Ride safe! Leo in Texas
PS: Please note: These scooters do NOT like spray-washes!!! The electrics are FAR from "waterproof" so when cleaning the scoot, be CAREFUL not to pressure-blast water around the engine electrics (ESPECIALLY the CDI) and the dashboard area (speedo, gauges, etc.). I learned THAT the hard way after pushing the scooter 2 miles home from the local car wash... LOL! |
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Post by pistonguy on Jul 29, 2017 8:50:48 GMT -5
Before you waste more money on more parts Do you or Don't you have Spark?
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Post by tonyb on Jul 29, 2017 18:04:24 GMT -5
No Spark.
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Post by tonyb on Jul 31, 2017 20:42:33 GMT -5
   I have looked and looked and looked rubbing my hand all along the frame between the gas tank and the engine and I still don't see it! I do see a small cubby next to the battery and there is a cable there with nothing plugged in. Three prong, but only two wires - green and black. No voltage on black when ignition turned "ON". On a brighter side, I did quirt a little gas in the intake and got it to run for about 45 seconds before shutting down. Did this about three times with same results. Any suggestions on what to check? |
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Post by tortoise on Jul 31, 2017 21:36:30 GMT -5
Xingyue XY150t-7 . . want to check the CDI, but I can't seem to locate it Potential clue . . .
"Can't find the CDI unit? It's right behind the headlight" . . source
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Post by tonyb on Jul 31, 2017 22:53:02 GMT -5
Unbelievable! I'll check it in the morning. Thanks!
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Post by oldchopperguy on Aug 1, 2017 8:17:34 GMT -5
Tonyb,
Your Xingyue is NOT like my old one. Sorry, gave you bad advice on locating the CDI.
Now, since you got it to run off some prime in the intake, it must have spark. Upgrading the factory CDI is still a good idea, but I'd get it running before making any upgrades.
If it runs off a prime, but will not run off fuel in the tank, it must not be getting that fuel to the carb. Or, if fuel IS reaching the carb, it's not leaving the carb to run the motor. Some problems include a blockage in the fuel line, dirty fuel filter, carb float not working, or blockage in the carb internals. If yours has a vacuum operated petcock, it might not be operating either. I did replace mine with a simple manual petcock for a Briggs stationary engine, since it began to close down at full throttle due to lack of vacuum.
To narrow the possibilities between fuel-lines/petcock and such, I would try disconnecting the fuel-line from the carb, and connect it directly to a secondary "tank" you could make from a can with fuel-line out the bottom. Suspend it higher than the carb, and if the motor will run off that fuel supply, you'll know the problem is somewhere OUTSIDE the carb, in the tank or fuel-lines.
If it will not run off the secondary fuel source, you'll at least know the problem is in the carburetor itself... Something is blocked.
Before you can fix the problem, you need to know WHERE the problem is... Carb, or fuel-system?
Hope this may help,
Leo in Texas
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