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Message started by 911radioman on 02/10/06 at 14:23:25

Title: Fuel cap
Post by 911radioman on 02/10/06 at 14:23:25

I did a search before posting this, didn't seem to find what I was looking for so pardon me if I missed it somehow!

I'm noticing some gas leaking out around the fuel cap and running down the tank. I checked the cap to make sure it was seated and locked securely - it is.

Question -- is there an issue with these fuel caps I need to be aware of? Does the gasket need replaced on it or should I just spring for a new cap?

Any help will sure be appreciated! :)

Title: Re: Fuel cap
Post by torque on 02/10/06 at 14:45:54

i dont think u can buy a new seal,i tryed to at a local gasket shop,but the stock gasket has a metal backing on it to make it stiffer. i mixed up some clear coat and heavily applied it around the filler tube... it made the seal fit super tight. keep in mind that the gas tank vents through the gas cap.

Title: Re: Fuel cap
Post by thumperclone on 02/10/06 at 14:46:34

ive had my s40 for about ten days now. on my first fuel up i filled up with the bike on the side stand..when i leveled it back up gas came out from under the the cap.now i sit on the bike and hold it level while fueling..only to the bottom of the neck!!i would think the cap needs to breath for fuel to flow..hope this helps.

Title: Re: Fuel cap
Post by 911radioman on 02/10/06 at 14:55:16

I can understand the venting part of it, but it bothers me that gas would make its way out. I don't want to have to repaint the tank because the gas eats it off.

Don't want to have to buy another cap either, those suckers are $55.00!!! :o

Title: Re: Fuel cap
Post by SeeAPierce on 02/10/06 at 15:22:00

yea - like thumperclone notes, make sure you're only filling to the bottom of the filler tube, with the bike standing upright...shouldn't leak then...

What year is the bike? Is there damage to the paint now that makes it look like it's been leaking before you got it?

Title: Re: Fuel cap
Post by 911radioman on 02/10/06 at 16:04:26

It's an '02. There is nothing there on the paint to indicate that this was a problem before, so it may just be me and not used to the way this bike needs to be filled with gas.

Title: Re: Fuel cap
Post by Reelthing on 02/10/06 at 17:01:11

so do these leaks only happen after a fill up ?- if so what i do after a fill up on the side stand is stand the bike up right before I put the cap on - maybe even rock it back and forth a few times - there is an air pocket that forms in the upper left top of the tank you need to equalize - or the '95 will leak quite a bit - the '02 doesn't but it's a newer gasket.

Title: Re: Fuel cap
Post by 911radioman on 02/10/06 at 17:02:22

It's the only time I've noticed it thus far. Of course, I just picked the bike up yesterday so I'm still learning its little quirks. :D

Title: Re: Fuel cap
Post by Reelthing on 02/10/06 at 17:04:33

yeah, that's what it is, just takes some time figure her out ::)

Title: Re: Fuel cap
Post by necropsy on 02/10/06 at 17:49:46

I bought a 05 s40 last fall...........
Gas cap leaked from day one, front brakes squeak like crazy, and the speedo housing rattles,
First rideable day, she's going in for some warranty work.

Title: Re: Fuel cap
Post by Savage_Rob on 02/11/06 at 22:34:39

I've only had a leak on overfill (past than the bottom of the filler tube).

Title: Re: Fuel cap
Post by 911radioman on 02/16/06 at 16:45:01

I've noticed a rattle in my headlight housing, probably didn't get something quite placed right when I upgraded my stock headlight to the xenon bulb.

I've been trying to watch when I fuel up now so as to try and avoid the leaky fuel cap. So far, so good on that one...

Title: Re: Fuel cap
Post by SirWilhelm on 02/16/06 at 18:25:31

I just did the new shocks upgrade on my '05 S40 and went by to fill up. I did the "lean it on the kickstand to fill", and only filled to the bottom of filler tube. And put cap on rolled bike up straight and gas poured out from under the cap. AARRGGHH. I could see my self setting the whole station on fire as it ran down on the engine.
Luckily it just evaporated. Seems that with the new angle of the bike due to height rise with 11.5 shocks, the tank has a lot of room you don't find when upright.
So I too will only fill up with the bike straight up in the future.
Did find a real hockey puck at sports store and will glue it to bottom of the kick stand this weekend to see if that will raise the bike more vertical. Hockey puck looks better than some of the bolts, and home made blocks I have seen. Need some liquid weld and it should do well. I got one from the Dallas Stars, but they had them from all over. The street hockey ones are just hollow rubber, so no use.
I don't like spilling gas, and especially when a lot runs onto the engine. Now I need to take the bike and spray wash it real good.
Oh well, time to clean it anyway, for the first 1000 mile cleaning.
Hey we don't get rain, so you don't wash your vehicle out here, as it just gets more dust on it! :-)

Bill