Cylindar 2 fouls out plug at 55 mph on my 1100 yamaha maxim 1982 need to know if carbs have to be re sync rubber intake boots or whatever.. email tattoosbyindio@yahoo.com please any and all help appreciated

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Hi, Shane and the usual suspects are:
1. Fuel mixture too rich or enrichner left out too long.
2. Faulty spark plug.
3. Incorrect spark plug for the engine type or service.
4. Piston rings badly worn or broken.
5. Valve guides are badly worn and/or seals worn, crushed or have come off the valve guide and are pumping oil through it.
6. Spark plug cable weak or leaking check for spark jump in the dark.
7. Faulty ignition coil.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
XJ750 3 Cylinder Not Firing
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Yamaha XJ1100J Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-xj-owners-manuals
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