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04-22-2014, 09:28 PM | #1 |
Banned
Join Date: Feb 2014
Location: MIAMI
Posts: 196
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Im kinda confused?...Idle Mixture
Hi rebels
im kinda confused? here are the questions:: 1. if im aiming for the highest rpms, why would the normal idle be 2000 rpms? 2. what is the normal rpms? ive heard 1,500 to 2000 rpms while idle 3. just to confirm, what does 'idle' mean? to me its when you are standing still with the motor on right? 4. if i totally unscrew my idle SPEED screw, (which is the other screw) and my rpms do not go down further than 2000 rpms, is something wrong? 5. which way is rich and which way is lean, does it depend on the type of carb? someone told me if its on the outlet side its a fuel screw and if its on the inlet side its a air screw? |
04-23-2014, 09:48 AM | #2 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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Idle and mixture are two different things. the throttle-stop screw is the idle.
Have you made sure the throttle is connected correctly? If the throttle cable is too tight, your idle will be really high.
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2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
04-23-2014, 09:48 AM | #3 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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As I said before, the idle should be set at 1600-1800 rpms, AFTER you have adjusted the air/fuel mixture correctly.
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2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
04-23-2014, 09:59 AM | #4 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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__________________
2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
04-23-2014, 10:04 AM | #5 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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I disagree with his set it at 1 turn out then adjust. I always use backed-out 2 and 1/2 as the starting point to air/fuel mixture adjustment.
__________________
2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
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