What does these screws do on the throttle bodies of the r3? - Page 2 - Yamaha R3 Forum
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post #11 of 13 Old 02-15-2017, 03:15 PM
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Originally Posted by dexter View Post
I am trying to fix the engine not starting at first time after turning off after a ride. I have a diy manometer. Do I need to sync at idle or at a specific rpm? That's all I need to know.
Some claim that the recirc canister contributes to this issue, if you are talking about the generic difficulty of restarting at gas stations (just hold the starter button down, don't "tap" it.)

oh hai, yo
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post #12 of 13 Old 02-20-2017, 06:48 AM
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Originally Posted by dexter View Post
I am trying to fix the engine not starting at first time after turning off after a ride. I have a diy manometer. Do I need to sync at idle or at a specific rpm? That's all I need to know.
most likely your sparkplugs are causing hot starts or starting issues . everything else is controlled by the ECU. return the screws to the std position. you are SOOOO LUCKY they have a blue mark indicating the factory position
replace with Iridium CR8IEX i think is the correct code. when you get them take the screw on bit (top of sparkplug) where the lead attaches as you dont need them. if you dont you wont be able to attach the ignition lead
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post #13 of 13 Old 02-20-2017, 06:57 AM
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Originally Posted by xorbe View Post
Some claim that the recirc canister contributes to this issue, if you are talking about the generic difficulty of restarting at gas stations (just hold the starter button down, don't "tap" it.)
doubtful
the Idle speed control is a hose that runs from throttle bodies into the airbox etc and so does the crankcase breather, and air injection for exhaust . the recirc canister captures fuel vapors that's it
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