jims tank lining

Discuss all things 1970 & later Airheads right here.
dwerbil
Moderator
Posts: 2856
Joined: Tue Aug 03, 2010 10:58 am
Location: Round Rock, Texas
Contact:

Re: jims tank lining

Post by dwerbil »

Steve, looks like your getting it out of there goodly.
Just to add...my /7 Kreem job, some 15 years later now, it's good...no peeling or anything bad.
Image

Click for pics
04 R1150RT ~ 78 R100/7 ~ 84 RS ~ 93 K1100RS ~ 65 R60/2
Randy in Round Rock
User avatar
SteveD
Posts: 4839
Joined: Tue Aug 03, 2010 3:29 am
Location: Melbourne, Oz.

Re: jims tank lining

Post by SteveD »

Yep, I'm shaking the empty tank vigourously after draining and filtering the sludge every day. Return the vinegar and shake it up again. The sludge continues to drain out and the inside is getting there. I'll keep it going for a few more days. The vinegar seems to work well.

Rubber stoppers I bought from Clark Rubber and Aldi has 2 litre bottles of white vinegar for $1.20.


Image
Cheers, Steve
Victoria, S.E.Oz.


1982 R100RSR100RS supergallery. https://boxerboy81.smugmug.com/R100RS
2006 K1200R.
1994 R1100GS.
User avatar
dougie
Posts: 2540
Joined: Wed Aug 04, 2010 6:19 pm
Location: Burlington Ontario, Canada

Re: jims tank lining

Post by dougie »

I've spent most of my money on women, motorcycles, and beer.
The rest of it I just wasted.
Wobbly
Posts: 300
Joined: Mon Aug 07, 2017 8:48 pm

Re: jims tank lining

Post by Wobbly »

KREEM is considered the worst of all the tank sealers. Apparently it is not ethanol-proof because it peels off within 18 months on the bikes I've seen it used on.
After 20 years as a professional bike mechanic and 30 years as an engineer I know just enough to be dangerous !
Seth
Posts: 267
Joined: Thu Aug 12, 2010 4:45 pm

Re: jims tank lining

Post by Seth »

I’ve used the first 2 steps (the detergent and the zinc-phosphoric acid) on at least 4 gas tanks. Used their sealer on 3 (72 Yamaha 125 enduro, 71 BSA 650 and a 73 Triumph 750) and RedKote on an R90S. Haven’t had any issues with any of them since. I used the RedKote only because is was closer to the original sealant on the BMW. I removed the original sealant by filling the tank with cleaning vinegar and let it sit for a week. Most of it came out as full sheets. The reminder came out when a shaked it with a length of small chain.

The POR first step cleans out varnish from the old gas. The second treats rust and leaves a nice zinc coating on the inside.
dwerbil
Moderator
Posts: 2856
Joined: Tue Aug 03, 2010 10:58 am
Location: Round Rock, Texas
Contact:

Re: jims tank lining

Post by dwerbil »

Wobbly wrote: Wed Nov 15, 2017 1:12 pm KREEM is considered the worst of all the tank sealers. Apparently it is not ethanol-proof because it peels off within 18 months on the bikes I've seen it used on.
Guess mine is a freak case since I've not had a problem all these years with using ethanol fuel.
Image

Click for pics
04 R1150RT ~ 78 R100/7 ~ 84 RS ~ 93 K1100RS ~ 65 R60/2
Randy in Round Rock
hal
Posts: 190
Joined: Mon Aug 09, 2010 5:46 am
Location: Oslo, Norway

Re: jims tank lining

Post by hal »

What about using electrolysis for removing rust? http://www.instructables.com/id/Electro ... fuel-tank/
Anybody tried that?
Hal

'74 R90/6
'97 R850R
Wobbly
Posts: 300
Joined: Mon Aug 07, 2017 8:48 pm

Re: jims tank lining

Post by Wobbly »

► The vinegar is merely a very mild acid that eats away the rust. If you feel like the rust is extensive and/or you simply need to hurry the process up, then you can use diluted muriatic acid, available at any hardware store.

► The tank coating we now use at the shop is Red-Kote compound (by Damon Industries), available in the USA from O'Reilly's Auto Parts.

https://www.oreillyauto.com/shop/chemic ... %20coating
After 20 years as a professional bike mechanic and 30 years as an engineer I know just enough to be dangerous !
richard t
Posts: 705
Joined: Tue Aug 03, 2010 10:35 pm
Location: Crescent Oklahoma USA

Re: jims tank lining

Post by richard t »

dwerbil wrote: Wed Nov 15, 2017 6:01 pm
Wobbly wrote: Wed Nov 15, 2017 1:12 pm KREEM is considered the worst of all the tank sealers. Apparently it is not ethanol-proof because it peels off within 18 months on the bikes I've seen it used on.
Guess mine is a freak case since I've not had a problem all these years with using ethanol fuel.
I did LaDonna's bike over 10 years ago with Kreem still ok.
fig
Posts: 48
Joined: Wed Aug 18, 2010 1:34 pm

Re: jims tank lining

Post by fig »

I used Por-15 in my toaster. It's held up great with zero degradation in over ten years. I recommend it.
Post Reply