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-   -   Leaking petrol (http://forums.sv650.org/showthread.php?t=171768)

Amadeus 15-10-11 03:46 PM

Leaking petrol
 
Hi,

I thought I'd go out on the bike for the first time in ages (moved house a few weeks back and been very busy at work) - the first time since I had the bike serviced.
I got the bike (K5) out of the garage and onto the road (up a fairly steap drive), started it and then went back to close the garage door, get my lid on etc.
I then noticed a smell of petrol, so I had a little look around and saw petrol dripping from the tank - one drop every second or so I guess. I turned off the engine and had another look and found that the dripping had stopped so I wondered whether it was the fuel pump leaking.
I started the engine again and it didn't start dripping again. I left it 5 mins or so and still no dripping. I then went for a 5 mile bimble and I stopped a couple of times, still no dripping and none when I got back home.
Any suggestions as to what I should do? Is it possible that fuel could have overflowed somehow when taking the bike up the drive? I'd filled up about a mile from home when I got back from having the bike serviced.
Anyone know of any good and trustworthy mechanics in the Wokingham area (me being rubbish)?

As a side issue, would you normally expect to see oil in the viewing window when the engine is running (if you pull the bike upright)? I don't, but I can't remember whether that's normal now - I think I'm starting to get paranoid!

Thanks

DJ123 15-10-11 09:41 PM

Re: Leaking petrol
 
lift up the tank and check the connection on the back of the fuel pump, its a specialised clip with a locking ring on the inner section that prevents it from coming off. Make sure it is fully pushed and clipped on to the fuel pump nozzle

Amadeus 15-10-11 09:52 PM

Re: Leaking petrol
 
Thanks for that. It is probably not something I'd be comfortable doing.
Would I be right in thinking that there must be an issue - there's no way petrol would drip out unless there was an issue? But I don't understand why it would then stop leaking?

DJ123 15-10-11 10:44 PM

Re: Leaking petrol
 
its easy to do, only have to remove the seat and 2 allan bolts up near the handlebars and lift the tank up. It won't leak when it is on due to the fuel system being pressurised.
It is worth a quick check yourself to confirm if it is fully connected

Amadeus 16-10-11 08:49 PM

Re: Leaking petrol
 
Thanks for the info; it gave me the impetus to have a look.
When I lifted the tank casing, I saw the actual tank below that and what I guess is the pump, towards the seat end of the tank - is that correct? (sorry for the questions - I have just moved house and I can't find anything in any of the boxes...)
The leak was actually the other end - i.e. the end nearest the handlebars. But I've not seen it happening since yesterday. So I'm not sure what to do now.
I'm not sure how I can get really good access to what's under the real tank easily - would I need to take the actual tank off?

thanks

DJ123 16-10-11 08:57 PM

Re: Leaking petrol
 
yeah the pump is located to the rear of the tank closest to the front of the seat. So it is from the pump to the injectors the leak? have you managed to trace the pipe to see where abouts it is dripping from? it could be a loose connection or a split in the pipe. Track it from the pump and check the pipe condition and connections along the way. You may need to remove the airbox fully in order to trace it from pump to the injectors. You don;t need to remove the tank to get to the air box. by using the stand to hold the tank up you can get to all the screws to remove the airbox. it's fairly simple, remove the top half first-6 cross head screws (i think there's 6, maybe more or less) then to remove the bottom half you need a long shaft crosshead screwdriver and need to loosen the jubilee clamps that attach onto the throttle bodies(?)
A Haynes manual is very useful when doing this so you know you're following the correct procedure

Amadeus 16-10-11 10:12 PM

Re: Leaking petrol
 
Cool, thanks for all that information.
I think I'll need to find my Haynes manual so that I can identify all those pieces you mention - that will probably have to be next weekend now.

Thanks for your help - much appreciated.


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