What is the firing order on a 82 750 yamaha - 1986 Yamaha XJ 700 X Maxim

SOURCE: firing order for yamaha xj650 1981 motor cycle

without a manual can you set-up the timing mark on flywheel
an see what cyl is compression stroke to find #1 cly

coil 1 are spark wires 1 and 4 cyl

coil 2 are spark wires 2 and 3 cyl

now if still have trouble then (if same plug connection) switch the around inlet plug on coils form bike wire harness or swap spark wires

SOURCE: Fork seal replacement on 82 yamaha 750 seca

On the top and bottom parts of the triple tree either both or one will have bolts. First take the fender off. Take the front tire off. Loosen the bolts on the triple tree. They should slide down. If not you have to get a rubber mallet and tap on the top of the fork and twist the fork as you are doing this. Once it is out, pull the dust seal off the top of the lower fork. There will be a clip inside, take the clip off drain the oil out of the top or bottom depending on how the forks are made. Push the fork tube down into the lower fork slightly, pull both apart with a firm tug and they should separate.

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SOURCE: My motorcycle won't fire.

Check you have power to the plugs take out both plugs and place one on the cylinder head and see if you get a spark .Try rubbing a pencil lead on the contacts ,as this give a highter spark .If no spark on either plugs you have an electrical fault which could be any number of things ,Try W/D 40 on the ignition switch it my be corroded inside and not making contact .or check your wiring for breaks or corroded terminals.or connectors .

SOURCE: 82 yamaha xj 650 maxim

1 2 3 4 sitting on it its left to right