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New Tank, accelleration lagging now (Read 149 times)

djpennin

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New Tank, accelleration lagging now
09/14/09 at 11:53:36

put a new sportster style peanut tank on my savage.

i had to get a new petkokkk.

new petkokk didnt have vacuum line as it is gravity feed, so i had to plug vacuum line from carb.

now when i ride the bike it sort of laggs when i accellerate.
it's a rideable bike but just not as smooth as it was

i'm thinking a few things please help.

1. new tank is gravity feed, but maybe petkokk is not hi-flow and i'm not getting enough gass

2. somethign to do with vacuum line being plugged on carb

3. .... i dotn know...??

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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: New Tank, accelleration lagging now Reply #1 - 09/14/09 at 11:58:35 sounds like your slide is sticking. add an once of seafoam to the tank and go for a ride.
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djpennin YaBB Newbies Offline poo Posts: 38	Re: New Tank, accelleration lagging now Reply #2 - 09/14/09 at 12:05:00 cant be sticking... carb was just cleaned. also worked fine with old tank, then 2 hours later after new tank was installed it wasnt smooth anymore ???
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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: New Tank, accelleration lagging now Reply #3 - 09/14/09 at 12:57:52 You say accel is lagging. What does that mean? I experienced lagging accel when I can twist the grip and a few seconds latter or more accel suddenly kicks in. not stumbling, just out and out, wait you want what, oh WOT, I know that.
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Oldfeller--FSO

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Re: New Tank, accelleration lagging now
Reply #4 - 09/14/09 at 13:19:58

Your twisting the grip just opens a butterfly valve in the carb. The increase in vacuum moves the slide, if the slide isn't sticky (or oily).

Telling you to put some seafoam in it was a reasonable suggestion, so you might either do that or spray some carb cleaner down on the slide and move it up and down to verify VERY you have very free motion.

Changing tanks means you may have gotten some contaminants from the new tank crudding up your slide.

Let me guess -- you don't run a fuel filter ???

Former Savage Owner

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djpennin

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Re: New Tank, accelleration lagging now
Reply #5 - 09/14/09 at 13:26:50

what i WAS feeling was smooth acceleration. i would twist the grip and i would get "somewhat" thrown back in the seat

now, i get thrown back in the seat for a 1/4 second, then accelleration lets off, then i get throw back, then let off, and that over and over again. it's not smooth.

i will pull the carb and look at it again, see if slide sticks

i did have an inline gas filter but took it out.

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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: New Tank, accelleration lagging now Reply #6 - 09/14/09 at 13:35:56 Not sure what to call that but not lagging. Stuttering maybe Still seafoam 1st try Other is you're lean Check boot clamps tite.
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djpennin YaBB Newbies Offline poo Posts: 38	Re: New Tank, accelleration lagging/stuttering now Reply #7 - 09/14/09 at 13:38:44 stuttering sounds like a good term funny how bike ran perfect before tank change, hmmm...?
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Midnightrider Serious Thumper Offline Alliance Member Posts: 3244 Winston Salem, NC	Re: New Tank, accelleration lagging now Reply #8 - 09/14/09 at 16:07:02 Is it a new tank or an old one. Most petcocks have a screen in them. You might want to take it apart and see if the screen is partially stopped up.
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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: New Tank, accelleration lagging now Reply #9 - 09/14/09 at 16:40:50 The float valve has one too.
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boofer Ex Member	Re: New Tank, accelleration lagging now Reply #10 - 09/14/09 at 21:35:19 djpennin, Just a thought, but try loosening the gas cap or check that it is properly vented. Of course, be careful to not get a lapful of gas. It may be gulping like those fancy water coolers with the jug on top. Boofer
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Savage_Amusement Serious Thumper Offline On this steel horse I ride. Posts: 1004 Omaha, NE Gender:	Re: New Tank, accelleration lagging now Reply #11 - 09/17/09 at 19:28:57 I was also going to suggest maybe the gas cap was sealed. They need to be vented to allow air in to keep the gas flowing.
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djpennin YaBB Newbies Offline poo Posts: 38	Re: New Tank, accelleration lagging now Reply #12 - 09/22/09 at 11:35:31 Gas cap is vented, c'ept the vents were crappy i had to expand them then pop a hole directly in the middle of the cap. thanks all!
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