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| Mikuni Accelerator Pump ??? https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=3274 |
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| Author: | Full Throttle [ Sat Jul 18, 2009 11:15 am ] |
| Post subject: | Mikuni Accelerator Pump ??? |
Made some adjustment to my carb because I was not getting full travel. Now when I throttle up, it will not go all the way back down to idle. it stays around 2000-2500 rpms. It's not the throttle cable as it releases all the way. Its the Accelerator pump not going all the way back down. I can push down on the pump with my thumb and it will release, but thats the only way. The 2 Adjustment screws will not fix the problem either. Any suggestions? |
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| Author: | stumpgrinder [ Sat Jul 18, 2009 12:53 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
if it wasn't doin' that before..... go back & undo whatever u did to cause that. lol |
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| Author: | JD [ Sat Jul 18, 2009 1:03 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
Check your choke make sure its off and you hace a little slack in the line. Make sure the pump rod is not jamming in the guide thats part of the carb body. Mine froze solid. JD |
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| Author: | Full Throttle [ Sat Jul 18, 2009 2:21 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
I have a little slack in the cable. I can take the accelerator pump and push it up by hand and it will drop all the way back down. When I twist the throttle it goes all the way up, but only drops about half way down. I ordered the drag specialties throttle and custom cable from motion pro, so i might just wait to install it to see if that is the problem. |
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| Author: | stumpgrinder [ Sat Jul 18, 2009 2:59 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
exactly what "adjustments" did u make to da carb? da only time I found my mikuni not openin all da way was cuz da cable wasn't gettin pulled all da way. I'm still tryin to figure out what "adjustments" u did... |
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| Author: | Full Throttle [ Sat Jul 18, 2009 3:22 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
Tightend up the cable some and straightened up the white guide wheel that the cable rides on. It looks like I may have overtightened the bolt that hold the cable and it is kinked...... The black vinyl is all chewed up right there. |
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| Author: | stumpgrinder [ Sat Jul 18, 2009 3:42 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
a kink in da cable will do it. disconnect it from da carb and see if everything works right manually without da cable. |
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| Author: | Full Throttle [ Sat Jul 18, 2009 3:53 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
| Author: | stumpgrinder [ Sat Jul 18, 2009 3:59 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
| Author: | deadbird8 [ Sat Jul 18, 2009 10:00 pm ] |
| Post subject: | Re: Mikuni Accelerator Pump ??? |
Dude- you sure are changing lots of stuff at the same time. My advice is to get it right and then introduce new variables. I will be back in a couple of weeks and we can go run. |
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