SOURCE: Vstar 650 classic. only will idle.
hello and welcome
this is a very very commom problem after the cycle has gone over a storage period of anything over a month or so. what has happened is the deteriorated fuel has plugged the idle jet, and possibley other jetting. this is verified by pulling out the choke allows it to run. because this makes of for the loss of fuel the jets are not produceing. so to fix this you will need to remove the carbs and take out the jets and clean them thoroughly with a carb cleaner and possibly a very small gauge wire to break up builup. especially in the pilot jet. unfortunately fuel added carb cleaners dont seem to work for this kind of problem and to fix right they should be disassembled and cleaned thoroughly. thank you.
SOURCE: twin mikuni carb adjustment
You can make a duel carb sync tool for about $2
Here is a link to a walkthrough for making the sync tool
CARB SYNC TOOL
Here is a link to a walkthrough for doing the carb sync
CARB SYNCHRONIZATION
Don't worry about the air-fuel mixture. It doesn't need to get adjusted.
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