FLH gas cap
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
FLH gas cap
Guys last yr when I got my bike painted my tank got painted with the gas cap on and I'm wandering if the cap got sealed up from the paint and with the issue I\m having right now with the new carb leaking out the overflow after its been sitting for more than an hour I;m thinking I may try a new gas cap. . What are you guys using for a gas cap? Near as I can tell mine is a rad cap but I know rad caps have differnt pressures.
By the way right now I have the bike sitting with gas on and cap off to see if my theory works.
By the way right now I have the bike sitting with gas on and cap off to see if my theory works.
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,196
Likes: 3,086
From: NW AR
If it leaks with the gas on, your float valve thingie in the carb is dirty/corroded. Replace it. If it leaks with the gas off, then not only is the float thingie bad, but your petcock is bad too. Sorry doode, no easy way out. Just fix it.
Road Master
Joined: Jun 2009
Posts: 1,062
Likes: 18
From: Beautiful SW Missouri Ozark Mountain Country
Check the brass overflow tube in the bowl for a hairline crack or improper seating. I know it sounds crazy, but i had this happen. Had a crack from the top to about 3/4 down the tube. Cleaned it up, soldered it up and no more leak. It drove me crazy for weeks until an old timer told me to check it.
Thread Starter
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
Check the brass overflow tube in the bowl for a hairline crack or improper seating. I know it sounds crazy, but i had this happen. Had a crack from the top to about 3/4 down the tube. Cleaned it up, soldered it up and no more leak. It drove me crazy for weeks until an old timer told me to check it.
Thread Starter
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
The float level is set when the carb is assembled, however there is a range from 0.413 to 0.453 measured from the gasket surface to the bottom of the float in the just closed position. We normally set the float level at 0.435 thats the low end of the spectrum and as the float valve wears it will get higher. The fact that it only leaks after it sets for a while means that the float valve is not making a 100% seal and the fuel in the gas line is slowly overflowing the bowl. This is somethig that never happens we spend alot of time making sure that the float valve assembly is perfect and they are presure tested before final assembly. I think you should send it back,and you can do that anytime at your convenience. When it arrives we will fix it and mail it back the next day as mail here arrives at 4:30 pm. I will reimburse you for any shipping expences. In the mean time if you let it run for a few minutes after turning off the fuel that will keep it from leaking gas all over your floor.
Really sorry for the inconvenience just let me know when you send it and I will make sure it is in and out of here in 1 day.
Thanks,Dale
Killer Motorcycle Products
626 392-8843
Crap I hate to send it back, real pain in the ***.
Thread Starter
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
Only leaks when I leave gas on.
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Road Master
Joined: Jun 2009
Posts: 1,062
Likes: 18
From: Beautiful SW Missouri Ozark Mountain Country
I just got email back from Dale, this isn't my old carb rebuilt but brand new from him.
The float level is set when the carb is assembled, however there is a range from 0.413 to 0.453 measured from the gasket surface to the bottom of the float in the just closed position. We normally set the float level at 0.435 thats the low end of the spectrum and as the float valve wears it will get higher. The fact that it only leaks after it sets for a while means that the float valve is not making a 100% seal and the fuel in the gas line is slowly overflowing the bowl. This is somethig that never happens we spend alot of time making sure that the float valve assembly is perfect and they are presure tested before final assembly. I think you should send it back,and you can do that anytime at your convenience. When it arrives we will fix it and mail it back the next day as mail here arrives at 4:30 pm. I will reimburse you for any shipping expences. In the mean time if you let it run for a few minutes after turning off the fuel that will keep it from leaking gas all over your floor.
Really sorry for the inconvenience just let me know when you send it and I will make sure it is in and out of here in 1 day.
Thanks,Dale
Killer Motorcycle Products
626 392-8843
Crap I hate to send it back, real pain in the ***.
The float level is set when the carb is assembled, however there is a range from 0.413 to 0.453 measured from the gasket surface to the bottom of the float in the just closed position. We normally set the float level at 0.435 thats the low end of the spectrum and as the float valve wears it will get higher. The fact that it only leaks after it sets for a while means that the float valve is not making a 100% seal and the fuel in the gas line is slowly overflowing the bowl. This is somethig that never happens we spend alot of time making sure that the float valve assembly is perfect and they are presure tested before final assembly. I think you should send it back,and you can do that anytime at your convenience. When it arrives we will fix it and mail it back the next day as mail here arrives at 4:30 pm. I will reimburse you for any shipping expences. In the mean time if you let it run for a few minutes after turning off the fuel that will keep it from leaking gas all over your floor.
Really sorry for the inconvenience just let me know when you send it and I will make sure it is in and out of here in 1 day.
Thanks,Dale
Killer Motorcycle Products
626 392-8843
Crap I hate to send it back, real pain in the ***.
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Thread Starter
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
Ya no doubt great service, Dale has been very responsive.
I still have my old carb, I didn't want to send IT in for the upgrade but decided to go new. My wifes bike still has the stock carb on her 89 Heritage and may need an upgrade to a CV one day.
I pulled the carb back off and pulled the float and examined the float needle with a magnifying glass and I can see where the rubber tip is showing a seat mark about half way all the way around. The seat to me does look a bit sharpon the seat edges. I decided to pull out the old carb and try the float needle from it in this new carb. Gas is turned on so will see.
I still have my old carb, I didn't want to send IT in for the upgrade but decided to go new. My wifes bike still has the stock carb on her 89 Heritage and may need an upgrade to a CV one day.
I pulled the carb back off and pulled the float and examined the float needle with a magnifying glass and I can see where the rubber tip is showing a seat mark about half way all the way around. The seat to me does look a bit sharpon the seat edges. I decided to pull out the old carb and try the float needle from it in this new carb. Gas is turned on so will see.
Last edited by RidemyEVO; Apr 13, 2012 at 07:16 PM.
Tourer
Joined: Jan 2012
Posts: 259
Likes: 1
From: Kingston, Ontario
Sounds like your on the right track. Have to agree that sounds like excellent service and it does look like next week is going to be a little bleak at least in this part of the province.
Good luck
Good luck