Checking for rust in fuel tank? Pointy. - SV650.org

26-09-13, 02:24 PM

I want to check my tank for rust, so took a look at the manual. From what I see, all you need to do is prop up the fuel tank, and disconnect the fuel hose and let it drain into a container. I assume if there is any rust, once the tank is drained you will see debris in fuel in the container?

Is it as simple as that to drain the fuel tank?

timwilky · 26-09-13, 02:30 PM

No.

what bike have you got.

26-09-13, 02:37 PM

Dang, luckily I decided to ask here and check...she be a K7 SV650S (twin spark)

timwilky · 26-09-13, 02:47 PM

I think, someone will correct me, but you may be lucky as the later bikes have an external c0ck, so disconnecting pipes is a possibility. But the pump is internal.

yorkie_chris · 26-09-13, 03:12 PM

Why are you checking for rust in first place?

26-09-13, 03:26 PM

I doubt a bike of this age will have a rusty tank. Are you having fuelling issues?

Bibio · 26-09-13, 04:09 PM

rust in the fuel tank can develop very quickly as petrol is lighter than water so if there is water in there (that can come from petrol pumps) it will sit at the bottom and cause rust. always a good idea to drain the tank each year.

27-09-13, 07:03 AM

With the winter months coming to an end, the bike would go for up to 5-6 weeks not being ridden at a time. So I am concerned with her not being used that often and sitting in the garage, that there could have been moisture and rust forming. Will be getting out on the road more often now as the rain season draws to an end, and have serviced the bike etc and wanted to check other things too. Rust in the fuel tank was on the to do list.

Think I'm being paranoid? Should I just leave it? No issues with the engine, she runs great.

Bibio · 27-09-13, 11:52 AM

i think there is a product called 'dry fuel' that disperses water in the tank.

quick googlefoo and i was right http://www.halfords.com/webapp/wcs/s...egoryId_255221

27-09-13, 03:17 PM

rust is formed when the tank is exposed to air ... fill the tank full when storing and put in a fuel stabilizer.
here is a tank i just recoated with KREEM TANK CONDITIONER on a 71 honda cb450

26-09-13, 02:24 PM	#1
BigV Guest Posts: n/a	Checking for rust in fuel tank? Pointy. I want to check my tank for rust, so took a look at the manual. From what I see, all you need to do is prop up the fuel tank, and disconnect the fuel hose and let it drain into a container. I assume if there is any rust, once the tank is drained you will see debris in fuel in the container? Is it as simple as that to drain the fuel tank?

26-09-13, 02:30 PM	#2
timwilky Member Mega Poster Join Date: Mar 2004 Location: Not in Yorkshire. (Thank God) Posts: 4,116	Re: Checking for rust in fuel tank No. what bike have you got. __________________ Not Grumpy, opinionated. Last edited by timwilky; 26-09-13 at 02:34 PM.

26-09-13, 02:37 PM	#3
BigV Guest Posts: n/a	Re: Checking for rust in fuel tank Dang, luckily I decided to ask here and check...she be a K7 SV650S (twin spark) Last edited by BigV; 26-09-13 at 02:39 PM.

26-09-13, 02:47 PM	#4
timwilky Member Mega Poster Join Date: Mar 2004 Location: Not in Yorkshire. (Thank God) Posts: 4,116	Re: Checking for rust in fuel tank I think, someone will correct me, but you may be lucky as the later bikes have an external c0ck, so disconnecting pipes is a possibility. But the pump is internal. __________________ Not Grumpy, opinionated. Last edited by timwilky; 26-09-13 at 02:48 PM.

26-09-13, 03:12 PM	#5
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: Checking for rust in fuel tank? Pointy. Why are you checking for rust in first place? __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

26-09-13, 03:26 PM	#6
Phil 1 Guest Posts: n/a	Re: Checking for rust in fuel tank? Pointy. I doubt a bike of this age will have a rusty tank. Are you having fuelling issues?

26-09-13, 04:09 PM	#7
Bibio Member Mega Poster Join Date: Jul 2008 Location: here as devil's advocate Posts: 11,540	Re: Checking for rust in fuel tank? Pointy. rust in the fuel tank can develop very quickly as petrol is lighter than water so if there is water in there (that can come from petrol pumps) it will sit at the bottom and cause rust. always a good idea to drain the tank each year.

27-09-13, 07:03 AM	#8
BigV Guest Posts: n/a	Re: Checking for rust in fuel tank? Pointy. With the winter months coming to an end, the bike would go for up to 5-6 weeks not being ridden at a time. So I am concerned with her not being used that often and sitting in the garage, that there could have been moisture and rust forming. Will be getting out on the road more often now as the rain season draws to an end, and have serviced the bike etc and wanted to check other things too. Rust in the fuel tank was on the to do list. Think I'm being paranoid? Should I just leave it? No issues with the engine, she runs great. Last edited by BigV; 27-09-13 at 07:37 AM.

27-09-13, 11:52 AM	#9
Bibio Member Mega Poster Join Date: Jul 2008 Location: here as devil's advocate Posts: 11,540	Re: Checking for rust in fuel tank? Pointy. i think there is a product called 'dry fuel' that disperses water in the tank. quick googlefoo and i was right http://www.halfords.com/webapp/wcs/s...egoryId_255221

27-09-13, 03:17 PM	#10
Falconbobb Guest Posts: n/a	Checking for rust in fuel tank? Pointy. rust is formed when the tank is exposed to air ... fill the tank full when storing and put in a fuel stabilizer. here is a tank i just recoated with KREEM TANK CONDITIONER on a 71 honda cb450

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