gpz600 help non running?

Question

i have a gpz600 that i got given a couple month ago as a non running project. 

i am quite technically minded and good around all things mechanical... but for some reason i cant get it running... have had it turning over with the help of a set of booster cables. so changed the battery ... and now nothing ....  i have no lights which tells me its something electrical ... but god knows what.... i have stripped the bike down so manytimes now i am getting fed up ................... please help

guardrailjim · Accepted Answer

Did you get the engine to turn over by jumping the starter solenoid?
If so, check the main fuse and ignition switch.
Check for spark -
Remove a spark plug cap.
Insert a working spark plug into it.
Lay the threads of the plug against a metal part of the engine and try to start the engine.
The plug should spark.
If no spark, figure out why.
Clean the carburetors - the jets get clogged up when the bike has been sitting with untreated fuel.

bikinkawboy · Answer

Do as guardrail jim said and if no spark, make sure the kill switch and ignition switch are in working order.  If necessary, put a jumper wire from the + battery terminal to the + connections on the ignition coils.  You'll bypass the ignition and kill switches and you can then rule them out if it still doesn't run.

robynbiker · Answer

Check :
fuses- then check ignition switch. Sometimes with age ignition switches become defective.
Once you have power the lights , indicators and brake light should all work. 
If you have that then it should turn over. If not, then youll have to investigate the ignition  circuit.
Get a Haynes manual for it.

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gpz600 help non running?

3 Answers