Make sure it is not in gear, kill switch off, kickstand up or switch working. Check the ignition is not messed up, knock on the starter with a block of wood or a lead hammer, see if it will jump. Check the wires for crud, rust, loose. and check the fuses.
SOURCE: My bike has a rough idle and sometimes backfires.
Check the timing,If it is set right,your carb is running lean.
Please rate this a fixya.
SOURCE: 1985 Yamaha XJ700 Maxim won't work
All engines need the same three to four things to work correctly..
Compression, Fuel, Spark, (timing).... But, usually those bikes, have fuel issues. The fuel tank spigot has a vacuum controlled valve which when the engine is cranked, suction is applied and fuel then can flow. Second,, the needle and float in the carb tend to get gummed up along with the main and idle jet... You need to make sure the carb is maticulously clean, Using carb cleaner, and tag wire,, or a piece of fine wire ( be careful not to enlarge the tiny holes). Keep refering to the 3-4 list fuel, compression, Spark,,,timing.....
Good luck...!!
Rib
SOURCE: Is there a wiring diagram for a 1985 Yamaha Maxim
I can't find an owners manual for my 85 XJ700 I just purchased. Anyone know where to go?
SOURCE: 1985 Yamaha xj700 Maxim- Carb. fuel lines
yes, the breather line hooks to the petcock on the line facing the back, the fuel line hooks to the larger one. the line from the breather is actually a vacume line that turns on the fuel, without it you will not get fuel out of the petcock unless it is in the prime position.
SOURCE: 1985 Yamaha Maxim XJ700 not starting
It seems the float chamber of the carbs are not getting enough fuel (gas).
Try to check this first by opening the carburator float chamber drain screws....thn select the petcock to 'prime' positon and see if theres fuel running out of those drain screws freely.If not thn it time to clean the carbs.
Not bad too to remove the spark plugs and clean them and regap.
Hope this helps!
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