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Problem Starting My 82 Xj1100..please Help

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  • #1

    Problem Starting My 82 Xj1100..please Help

    MY BIKE WAS RUNNING PERFECT LAST WEEK..KNOW I TRIED TO START IT AND IT DOESNT WANNA TURN OVER..ITS BEEN A LITTE COLD HERE BUT NOT ENOUGH TO MAKE IT NOT START..BATTERY GOOD AND THERE GAS IN THE TANK..IT SEEMS LIKE ITS NOT GETTING ANY GAS..PLEASE HELP...
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  • #2
    When you say it doesn't want to turn over, are you saying the motor does not spin at all when you hit the starter button? Or, is the motor actually spinning over and just not starting. It is critical that you clarify this first because 'not turning over' and 'not getting any gas' are two completely different things....
    Ken Talbot

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    • #3
      the motor is actually spinning over but its just not starting for some reason.. please help..

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      • #4
        No start

        Make sure that the kill switch by the throttle is in the "On" position. That has caught me out before. After checking for faults for 1/2 an hour suddenly discovered that the kill switch was off. Embarresing and a an aggrovating PITA.
        Ken/Sooke

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        • #5
          its on the on position what else could it be...

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          • #6
            No Start

            Back to basics. Pull a plug wire and spin over to check for spark. Still no start but have spark. Pull the plugs and check for wettness. If bone dry but you have spark then you are not getting fuel. Squirt a bit of fuel in each cylinder, put the plugs back in and hit it again. If you have spark but a lack of fuel it should false start just for a moment because of the raw fuel you put in the cylinders.
            If it false starts but won't keep running start at the petcocks and start tracing your way through the fuel system. Remember that to get fuel to flow you will have to provide some vacuum to the petcocks. (you do have fuel in the tank don't you?)
            If you have spark and fuel then all that is left is compression. Time to do a compression check to make sure that the timing chain hasn't jumped or failed.
            Lots of luck. Time for hockey night in Canada.
            Ken/Sooke
            78E Ratbyk
            82 FT500 "lilRat"

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            • #7
              okay i squirted fuel in each cyclinder and it worked..so what does that determine my problem is..also my spark plug broke in half how would i take the top half of the spark plug off the spark plug wire..please help..

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              • #8
                Now we're getting somewhere. You have spark, and when you add fuel directly, it will fire.

                - do you have standard with vacuum controlled 3 position petcocks, or
                - do you have a special with a vacuum-controlled octopus and 4 position petcocks?

                - what position are the petcocks in?
                Ken Talbot

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                • #9
                  Fuel Flow/Broken Plug

                  darookie, on the broken plug, grasp any portion of the plug that you can with a pair of pliers, with the other hand grasp the plug wire boot(cap) and twist it (rotate) the cap to break it loose from the plug and using some good old brute force pull them apart.
                  In the future while removing spark plugs twist(rotate) the socket/ratchet, don't lever on it. You will break the porcelain portion of the plug otherwise on a regular basis.
                  The fact that the engine fired is a "GOOD" thing. It means the engine is going to run! Next step is to find out why the cylinders are not getting fuel in the normal way. I would start by pulling the fuel lines off of the petcocks. Put a piece of vacuum hose on the vacuum port on the petcock and using you mouth apply a bit of vacuum. This should open the petcock and allow fuel to flow. If no fuel flows you either don't have any fuel in the tank or the stand pipe filters are plugged. Remove the tank, remove the peacock, attached to the top of the petcock is a piece of plastic (like a stick about 2" long) This is actually a fine mesh filter to prevent any debris (crap) in the tank from getting down to the carbs. They could be plugged with fine particles of rust or old gasoline that has jelled. Clean these filters up with a tooth brush and reassemble. (I usually use lacquer thinners as a solvent to clean these filters)
                  Next step is to make sure fuel is getting to the carbs. Reinstall the fuel lines to the petcocks and remove the fuel lines at the carburetors. Again apply vacuum to the petcock vacuum ports and check for fuel at the carbs. If no fuel is flowing you have plugged fuel lines or lines with kinks in them. Something is not allowing fuel to reach the carbs.
                  If fuel is flowing to the carbs but still no run it is time to pull the carbs and do the dreaded 3 carb clean.
                  Lots of luck.
                  Ken/Sooke
                  78E Ratbyk
                  82 FT500 "lilRat"

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