Another bike thats wont start help!

anyways guy so i took of to work today on my 82 xj750 seca everything was fine parked 8 hours later bike would not start

i put the switch on and pushed the start button and nothing seem like a dead battery
so i decided to push started and seemed like it was going to start but nothing happen
then every time i pushed the button it only made a clicking sound
i tried jumper cables and samething only a click sound comes from somewhere idk yet from where l,headlight wont turn on iether what should i be checking for ?

 

Check for blown fuses. Check that the little rod in the kickstand safety switch, that thing gets stuck and bike thinks stand is down. The lights not coming on really makes me think the main fuse is blown. No lights at all?

 

Does your battery have a charge. Is it producing good voltage ? A clicking sound may mean your fuse is not blow BUT perhaps it is making a poor contact within the fuse box. Could try cleaning the terminals that make contact with the fuse ends.

Electrical problems need to be checked out one thing at a time a process of elimination.

 

well i have no headlight but rear light does turn on
battery is fully charge where is the main fuse or relay?


kickstand safety switch was removed by previous owner

 

Double check that the bypass is still acting as a bypass. I'd never trust what a PO did, even if it was my brother.

 

would that cost it not to start ?and make a clicking sound?

 

Your headlight won't come on until the engine is running.

Double check all your connections. Especially the ground wire coming off your battery and make sure your battery is fully charged. Your fuses are under the seat, check those connections also-look for any corrosion. You can use a multimeter and check for continuity. It could also be your starter button's wiring has corroded and isn't making good contact, and you should look at the wiring at the starter motor as well. Hopefully it's one of the above issues and not your starter itself as it is more expensive to fix but could also be bad. Any issues previous to this one where it was sluggish to turn over the motor?

I would recommend getting a manual for your bike, and get some emery cloth and clean all the electrical connections on the bike then smear them with dielectric grease. It's rare to find a bike as old as ours that doesn't need to have this done.

 

The starter circuit uses a low power circuit from the switch to move a soloid to make contact down a large wire to turn the starter. It will click if there is not a high enough voltage on the low power switch side. The solonoid has enough power to make contact till the starter tries to spin and then the drop in voltage from the starter will cause the solonoid to return to its origonal position, then the starter is not powered and the voltage of the bike increaces giving it enough power to start the process again.

It is posible to eliminate this whole part of the system by taking a screw driver or something conductive and connecting it between the two large nuts on the starter solonoid ( the thing that is clicking). Even if your key is out of the bike this should turn over the engine on the bike. I had a starter solonoid go bad on one of my bikes and i used a screwdriver to start the bike for about a week when i was waiting for the new one to show up.

If the bike turns over then you know that you have a problem either with the solonoid or the control circuit.

If it does not turn over then there are only a few problems that it could be.

The starter could be locked up, the engine could be locked but you said that you tried to pop start it and it turned over.

Other then those larger problems if the battery is good, it has to be a connection or a bad wire between the Battery and the solonoid, solonoid and the starter or the ground connection on from battery to frame and frame to engine.

You could technicaly bypass all of this and use a set of jumper cambes, attach them to a clean spot on the engine that is not painted and will get good ground and on the connetion on the starter. then hook the other side to the negative battery terminal and touch the positive to the battery and see if it cranks.

These are a few methods to help you bypass some of the systems and test individual components. Please be carefull not to jump into anywhere you wouldent want it, and if it will make you feel any better unplug the computer, but i would not worry about it too much. take a screwdriver to the solonoid and see if she cranks. Thats just my 2c!

 

Yes. If the safety circuit is "deployed" that's exactly what would happen. The sidestand switch can't simply be removed; as above, it needs to be bypassed. If said bypass is failing it could cause your problem.

Try the "jumper the big terminals on the solenoid" test. If it turns over fine, you can start investigating all of the reasons the bike would not want to activate the solenoid. Start with the safety circuit that you already know has been modified.