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Oct 4, 2012 | 05:33 PM

Grimes

Thread Starter

6th Gear

Joined: Jul 2012

Posts: 10

Likes: 0

From: Canada

???

I recently bought my wife a 09 Sportster 1200 xl custom, originally from Cali. After I fuel it up the bike wants to stall for a few miles then it clears up and runs good till it's time to fuel up again.
I've changes gas caps, vents are open and Cali. emissions cannister seems to be open as well.
Any ideas??

Oct 4, 2012 | 10:17 PM

John Harper

HDF Community Team

Joined: Dec 2011

Posts: 8,557

Likes: 3,978

From: San Diego, CA

Don't you have an electric fuel pump? Maybe something to do with it?

John

Oct 4, 2012 | 10:57 PM

SD1

Cruiser

Joined: Sep 2012

Posts: 235

Likes: 7

From: San Diego

Fuel pump is a known prob. I am not sure its actually the pump, it may be the relay/fuse which isnt very well protected. The relay/fuse is under the left cover next to the battery, may have a look at that.

Oct 5, 2012 | 04:16 AM

trmac

Big Kahuna HDF Member

Joined: Jan 2008

Posts: 22,912

Likes: 75

From: Okinawa, Japan

Here's a wild stab at it - possibly overfilling the tank and causing vent problems until you burn off that little bit of extra fuel and allowing it to vent properly. I go with this theory cause you say the problem is only right after filling up and then is good til the next fill up. full tank=problem - not full=no problem solution - don't top off the tank

Oct 5, 2012 | 06:01 AM

grbrown

Club Member

Joined: Jun 2007

Posts: 45,429

Likes: 2,898

From: Bedford UK

Quote:

Originally Posted by trmac

You could be onto something there, good suggestion. Gas is normally stored under ground, so is cool when first filling up. However if it is sunny and hot, once in the bike's tank the gas will quickly warm up and expand, which could add to the problem.

Oct 5, 2012 | 10:23 AM

slimburns

Cruiser

Joined: Sep 2012

Posts: 177

Likes: 0

From: Mainah

+1 on the overfilling. I have a 48 w/ the peanut tank, so I tried to fill it just as much as I could at first... with the same sort of results... now i don't 'overfill' it and the problem stopped.