Honda ST1100 Section > Fuel & Fuel Additives ST1100

Strong fuel smell and leak

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Dave4093:
Hello all, I'm Dave from WA i'm very new to this site and still finding my way around this forum. I have a 1996 ST1100 (ex WApol one) I have only had the bike for about 2 weeks so far, I up traded from a Harley and loving riding her.

I have noticed a strong fuel smell coming from the bike and didn't think too much about it as I thought it may be just the bike and where the fuel cap is located.

 The other morning I rode to work forgetting my choke was on, parked up at work and left her there for the day. When I returned that night I started the bike up (then realising I left the choke on) and fuel began to leak out of the bottom of the bike. I shut down the bike and check underneath but the leak stopped.  I started the bike up again and the leak returned, eventually the leak stopped and I rode home.

I noticed near the fuel filter there was fuel and appeared to be weeping and on the way home there was the strong fuel smell.

I was wondering if my fuel cap isn't venting right pressurising the system and leaving the choke on just added to the problem ?

The other day after riding up to the girlfriends place which is a nice 40 min ride to Mundaring. I parked up and the fuel smell was there but also the bike was making a noise like a air cylinder being pressurised (best way to describe the sound) It made this sound about 3 or 4 times then stopped.

I've parked her up until Thursday, unitl I can take off the fairings to see whats going on.

dose anyone have any ideas what the problem could be besides the newbie riding it :)   

Brock:
Gday Dave.

If the pressurising sound was like a groan, then thats normal for the STs. As for the fuel leak/smell, if the fuel is dripping from one of the drain pipes, then one of the Carbies may have a stuck float.

You shouldnt need to use the choke, I am in Joondalup and very rarely turn it on, only when extremely cold and only til the engine is running.

alans1100:
if it's not one of the drain hoses then one of the other fuel lines.

items 4, 5, 6, 7 ,8  or 34 http://www.st-1100.com/st1100-parts-fiche-fuel-tank-st1100pt.html more likely to be one of these

Hoses etc under the carbs here http://www.st-1100.com/st1100-parts-fiche-carburettors-st1100pt.html

Dave4093:
Thanks Brock,

I haven't ridden a bike with a choke for a while and keep forgetting about it. Its reassuring that the noises are normal. I have the workshop manual so I'll check out the carb floats hopefully its a easy fix


Thanks again Dave

alans1100:
Maybe we can merge these two

http://ozstoc.com/index.php?topic=12225.msg1226746#msg1226746

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