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Author Topic: Throttle problem  (Read 1427 times)

heymax63

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Throttle problem
« on: March 30, 2012, 04:14:46 PM »
I was going through my S9 after setting for the winter and when i take it out if you slowly turn the throttle it wll eventually stall but start right back up. I have also noticed at full throttle sometimes it backs off for a second then accelerates. i only have 1725km's on this scooter. Today I took off the air cleaner and I noticed oil between the carb and the air cleaner. I don't know if the carb just needs adjusting or if there is another problem. I took it for a long ride today and it performed beautiful but when you stop and start to accelerate it bogs down. any thoughts. Thank you
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Rage

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Re: Throttle problem
« Reply #1 on: March 30, 2012, 04:16:52 PM »
Is it smoking at all? Maybe oil pump stuck wide open from long storage? Is there old gas in it? Run a fresh tank thru it.....
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heymax63

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Re: Throttle problem
« Reply #2 on: March 30, 2012, 04:41:42 PM »
A ittle white smoke very little but it goes away within a few minutes. The carb looks clean. I have drained the fuel tank and put fresh gas in it along with a new spark plug. i wiped it all out and i took it for a long ride this morning and it was better but there was still a little oil that appears to be coming from the carb. Not much but enough to cause to hesitate if you slowly go up on the throttle. it doesn't do it all the time but I was also wondering if perhaps the float bowl is dirty or has something in it. Does the super 9 have a fuel filter
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Rage

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Re: Throttle problem
« Reply #3 on: March 30, 2012, 04:54:36 PM »
Yes it has a fuel filter..... could be the culprit
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heymax63

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Re: Throttle problem
« Reply #4 on: March 30, 2012, 05:07:57 PM »
I cannot find the fuel filter on my super 9. is it right on the bottom of the tank? They show a pic in my manual but it doesn't exsist on my bike
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zombie

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Re: Throttle problem
« Reply #5 on: March 31, 2012, 01:19:17 AM »
It is a FINE mesh screen INSIDE the tank. Try 3-4 ounces of Sea Foam in the tank to clear the carb.
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heymax63

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Re: Throttle problem
« Reply #6 on: April 01, 2012, 03:52:02 AM »
I cleaned out the tank checked the fuel filter and also drained my yamalube which was from 2 years ago and put in Interceptor by Amsoil. I also filled up with 93 octane that was available just over the border in NH. i took it for a nice long ride today and it seems to have come out of its funk. I also put 1 ounce of Seafoam in the fuel tank. I'm not going to use the Seafoam all the time so should i put more in for the one time cleaning.
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zombie

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Re: Throttle problem
« Reply #7 on: April 02, 2012, 12:42:18 AM »
For those 1 time cleanings I double dose it.
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"They have nothing in their whole imperial arsenal that can break the spirit of one Irishman who doesn't want to be broken."   Bobby Sands...

heymax63

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Re: Throttle problem
« Reply #8 on: April 02, 2012, 01:02:45 AM »
Is the auto cock assembly really the fuel filter as well.
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