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Old 06-18-2009, 07:32 PM   #1 (permalink)
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tank sealer???

Ive got a lot of light grey flakes and chunks in my gas tank (89xlh1200). It looks like a sealer. Did HD use sealer in tanks,or have I got a "special" issue? Stock tank,no crash damage,original paint .
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Old 06-18-2009, 10:33 PM   #2 (permalink)
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Yep, HD was coating the tanks till about 2005 & gray was one of the colors they used.

If your is flaking off, time fer some help removing the stuff..& recoating it to prevent rusting..

This is what I find is very good & durable..
http://www.por15.com/Fuel-System-Res...n/products/12/
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Old 06-19-2009, 05:46 AM   #3 (permalink)
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JP Cycles also sells good tank coating, my 03 had some flakes but when I inspected it all was well. It appeared to be some excessive left overs in the tank.
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Old 06-19-2009, 08:58 AM   #4 (permalink)
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Well,if its not leaking,I really cant see a reason to have it coated. Maybe I'll give it the "ball bearing shakeup treatment",or maybe I'll just ignore it this year.Got to wonder why they did it in the first place though.
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Old 06-19-2009, 11:37 PM   #5 (permalink)
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POR-15 you will never have another problem with your tank
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Old 06-20-2009, 12:13 AM   #6 (permalink)
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POR-15 is the bomb!!
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Old 06-21-2009, 12:00 AM   #7 (permalink)
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Quote:
Originally Posted by trbomax View Post
Got to wonder why they did it in the first place though.
So it doesn't RUST..(Hello).... especially with the ethanol blends, they tend to attract more moisture & the tank bottoms will rust first as water is heavier than gas.
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Old 06-22-2009, 03:44 AM   #8 (permalink)
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All that excessive gray stuff plugged up my fuel filter on my '05.
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Old 06-23-2009, 01:55 PM   #9 (permalink)
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The short story: The fuel tank on my 1995 Sportster was full of sealer crud which resulted in major carb work as well as a thorough cleaning of the fuel tank.

According to the techs, the Motor Company says not to reseal the tank. Just make sure that it is well-cleaned. Then keep the tank full to prevent rust from forming.

How did they clean the tank? Almost four hours of shaking nuts, bolts, etc.in the tank in a water solution and then rinsing the residue with a high pressure wash.

I guess this is a problem with quite a few Harley tanks of this vintage.

Tom
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Old 06-24-2009, 12:43 AM   #10 (permalink)
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Quote:
Originally Posted by tguil View Post
The short story: The fuel tank on my 1995 Sportster was full of sealer crud which resulted in major carb work as well as a thorough cleaning of the fuel tank.

According to the techs, the Motor Company says not to reseal the tank. Just make sure that it is well-cleaned. Then keep the tank full to prevent rust from forming.

How did they clean the tank? Almost four hours of shaking nuts, bolts, etc.in the tank in a water solution and then rinsing the residue with a high pressure wash.

I guess this is a problem with quite a few Harley tanks of this vintage.

Tom
Guess what Tom, even with a full tank over time a bare tank will rust, generally on the bottom first..
The ethanol blends attract moisture & since water is heavier than gas that's where it goes..

My 94 & 97 still have the OEM coatings in em, & good shape as well.. Some have problems, some don't..

But the ethanol blends are harder on the coatings. Por 15 is super..
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Old 06-27-2009, 07:59 AM   #11 (permalink)
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The Sportster Service Manual suggests the procedure followed by the techs who worked on my tank. It does not recommend resealing the tank. I don't use gas with ethanol blends -- ever. And because I don't ride the Sportster as often as my Super Glide I make sure that the Sportster's fuel always has fuel stabilizer mixed with it. So far it has been OK -- three years since the tank was cleaned

Tom
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