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Thank you for the suggestion and it is an excellent idea but I am past wanting to fix this on my own and just want it done.How about just stop all the theatrics and just post the problem in one of the motorcycle threads ? Possibly those of us who have successfully wrenched motorcycles for the past 37 years but do not claim to be "the absolute best of the best with no bull shit" can assist you for free in solving the problem yourself saving you a lot of money ?
Agreed, but f*** cleaning them, just buy all new jets. Bam, works like new again!I can almost guarantee you your problem is clogged jets from ethanol additives.
The only good fix is pull the carb/Carbs and clean them thoroughly, noting that some of the passages are really really small
What is it doing exactly ( won't idle, no power, lean backfire ?)
some of those Mikuni carbs have really small internal passages, and sometimes when they are in units of 2 or 4 there are passages between the carbs.Agreed, but f*** cleaning them, just buy all new jets. Bam, works like new again!
1) throttle cable(s) improperly adjustedWhat he has not said, but said in a PM is that when the bike starts it revs VERY high
1) throttle cable(s) improperly adjusted
2) throttle cable(s) too short
3) air leak
If the OP had screwed around with adding "other than OEM" aftermarket race carbs, that's a whole new can of worms. The decades old tried and true oem Mikuni CV type carbs are excellent street carbs (as long as the jets and idle circuit is kept clean. ). As others accurately commented Ethanol is BAD if left untreated in a MC fuel system for extended periods of time. Etehnol leaves a corrosive fungus that destroys carb internals and wreaks havoc clogging brass jets and components. I SWEAR by Startron fuel enzyme been using it for the past 16 years with excellent protection.
Star Tron Enzyme Fuel Treatment Gas Additive Small Engine
Star Tron Enzyme Fuel Treatment is a multi-functional fuel additive that uses enzyme technology to stabilize fuel and make engines run smoothly and efficiently.www.starbrite.com
Road_Clam
You are 100% the winner.
I put the phone down an hour ago and went to the garage where I ripped the carbs back off the bike.
I noticed that the idle screw would not even touch the stop even when fully turned in
I the looked at the butterfly and it was considerably open.
I the chased the throttle cable only to find that it had been turned out so tight that it was holding open the throttle
It has now been adjusted and the bike is idling at just over 1K
It is smooth and responsive with no popping or coughing.
I am happy as hell and also feeling like a dumbass
Startron is my jam, preach on brother!1) throttle cable(s) improperly adjusted
2) throttle cable(s) too short
3) air leak
If the OP had screwed around with adding "other than OEM" aftermarket race carbs, that's a whole new can of worms. The decades old tried and true oem Mikuni CV type carbs are excellent street carbs (as long as the jets and idle circuit is kept clean. ). As others accurately commented Ethanol is BAD if left untreated in a MC fuel system for extended periods of time. Etehnol leaves a corrosive fungus that destroys carb internals and wreaks havoc clogging brass jets and components. I SWEAR by Startron fuel enzyme been using it for the past 16 years with excellent protection.
Star Tron Enzyme Fuel Treatment Gas Additive Small Engine
Star Tron Enzyme Fuel Treatment is a multi-functional fuel additive that uses enzyme technology to stabilize fuel and make engines run smoothly and efficiently.www.starbrite.com