1985 XJ700x new Battery, runs bad. HELP!

Please help if you can. I bought my son an 85 XJ700x for his first bike. It worked fine for a few weeks, and we had to change the battery this weekend. Once we got the battery in the bike, it now runs really rough and hesitates and stalls. At our wits end. I swear all we did was replace the battery without touching anything else. Please help!

 

Check connections and look for a short somewhere. Make sure the black wire is firmly attached to the engine block Check each connection going from the battery: is each one properly tightened down? Did you possible miss a connection? I believe that there is a red wire which connects into the red to the battery - has it come loose/disconnected? Is the battery itself shorting out against something - bumping terminals against the frame, a wire, or something else? etc.

Assuming that is all that changed and the new battery has enough voltage, the problem would seem to have to be there.

Other trails of investigation: what caused the previous battery to fail? Was it just old? Cheap?

 

did you remove anything to get to the battery? other than flip the seat up (if you have a seat that does that) if you did anything goofy like remove the tank, or any electronics, make sure all connections are back, sounds like disconnected vacuum line to me, i did the same thing when i first got my bike, missed the line that goes to the petcock

 

Checked all the connections to be sure, but everything is tight. Battery was a 5 year old cheapo. She's got to go into the shop today to have a new tire and brakes put in anyway, but I wanted to have it fixed prior aw well, they'll sort it out.

 

Am interested to hear what they say, let us know.

 

yeah, shops are a scary scary place :O