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CX Customization and Modifications
Started by Lonelywolf8588 at 12-18-2008 1:05 PM. Topic has 37 replies.
  
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 12-18-2008, 1:05 PM
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Lonelywolf8588
 
Joined on 10-19-2008
Decatur, IL
Posts 156
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Well I took my tank into a friend's body shop to pull a few dents out and made a mistake. I cleaned the tank about a month ago and it's been sitting ever since. I was using the stud gun when a load bang and a flash of light came from the tank and I will let the picture tell the rest. The rear bolt is in holding it on the bike and the cap wasn't on at the time of the explosion. Needless to say I am looking for a new tank, preferably from a deluxe. If anyone has a deluxe tank for sale drop me a message and we can talk. How well would a CB750 tank fit?
I drive WAY too fast to worry about my cholesterol.
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12-18-2008, 2:10 PM
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brianwarner983
Joined on 03-21-2007
Duluth, MN
Posts 53
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ouch hope nobody was hurt when that thing went off.
check flea bay for a tank.
~4L3X
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12-18-2008, 2:14 PM
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LRCXed
Joined on 05-15-2008
Sacramento, California
Posts 1,670
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Your lucky the cap was off!
If your going to do something, do it right, don't do it half as@*d.
78 CX500 Std, 79 CX500 project, 80 CX500C, 83 GL650I
http://globalcxglvtwins.hostingdelivered.com/
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12-18-2008, 2:57 PM
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A143road
Joined on 10-08-2008
Spring,Texas
Posts 354
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I have a tank , It has a nice dent in it. You might be able to get it out, and maybe not I don't know. I don't think this is what you want though.
I's not pretty. There is just that one dent in it. Then the inside.
Let me know what you think?
John
46% 10-300 Biplane/RC.
1978 CX500
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12-18-2008, 3:41 PM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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What would it take to restore the inside? I've never used chemicals to clean rust except for a little surface rust with acid when I used to do bodywork. The dent isn't an issue. Does it come with the fuel cap and lock? How much is the real question. I don't have much money and really didn't plan on blowing up my tank.
I drive WAY too fast to worry about my cholesterol.
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12-18-2008, 3:44 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Wow. I think we need a better set of photos to judge how bad it was. In a way it's funny but sucks also. Good thing you cleaned up the tank first.
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Cx500 Deluxe
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12-18-2008, 3:55 PM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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The explosion took the bottom of the tank and pushed it out. It is sitting right on the backbone of the bike. Looking at it from above it is shaped like a heart. Almost looks like a butterfly pork chop or like the tank was trying to turn itself inside out. I was looking for a scrap body panel to experiment with different paint ideas. Didn't really want it to be my tank though. It is amazing how symmetrical the bends are though. Blindstitch, your always on the forum. Can you message me with any advertisements of Deluxe tanks for sale. A143road has one but don't know if I am patient enough to clean the inside of his tank.
I drive WAY too fast to worry about my cholesterol.
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12-18-2008, 4:06 PM
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Randall-in-Mpls
Joined on 07-06-2007
Minneapolis, MN
Posts 2,630
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Email sent to A143road.
R
'78 CX500 - Black Maggot --> Green Grub / Yellow Grub / Red Grub ???
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12-18-2008, 4:11 PM
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A143road
Joined on 10-08-2008
Spring,Texas
Posts 354
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I think the best stuff to use is POR-15. I haven't used it but what I have read that POR-15 is the best. I've read that cleaning the inside can be done a number of ways. I've read people using BBs, but that would be hard to get all thoes BBs out. then some use a length of small jack chain. Hold onto one end and shake the tank. That is to loosen up the big pieces of rust. Look at POR-15 I think it is the best.
I think if you planed to blow it up you would have done a better job.lol. I'm glad you were not working on it at the time, that could have been bad.
I think it will cost 18 to 20 bucks just to ship it. PM me with a price well go from there. If you can use the tank?
John
46% 10-300 Biplane/RC.
1978 CX500
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12-18-2008, 4:22 PM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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Actually I was working on it without safety glasses when it blew. I had the stud gun in my hand and was sticking a stud on the corner to pull out a dent when it rocked the shop. It really didn't hit me on how bad it could have been until about an hour later. It was also stomach high on a workbench. Dodged me a bullet. I am still trying to figure out what happened because I have worked on several tanks with the same method. Maybe the fumes built back up inside after the water and cleaner dried. Yes, it was a non-flammable cleaner. So the POR-15, you just clean it with the cleaners in the kit then pour in the sealer and swash around to coat everything?
I drive WAY too fast to worry about my cholesterol.
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12-18-2008, 4:31 PM
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Randall-in-Mpls
Joined on 07-06-2007
Minneapolis, MN
Posts 2,630
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Now you have a Fatboy tank!  Glad you weren't hurt.
You could also have it cleaned and sealed by a radiator shop. If they dip it in the acid tank, most of the paint will be stripped for you, too.
R
'78 CX500 - Black Maggot --> Green Grub / Yellow Grub / Red Grub ???
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12-18-2008, 6:13 PM
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George in Indiana
Joined on 03-03-2006
Posts 954
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Bet it holds an extra gallon of gas now. :)
Sell it on ebay as a customized "extended mileage tank".
CX500 TURBO
CX650 TURBO
'04 GSX1300R Hayabusa
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12-18-2008, 6:28 PM
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BearCX
Joined on 03-11-2008
Roseworthy, Sth Aust
Posts 525
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Brand New Old Stock deluxe tank was on ebay.uk last week. Black with red stripe. Not cheap, but gorgeous.
If you're still in control...You're not going fast enough.
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12-18-2008, 6:34 PM
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BearCX
Joined on 03-11-2008
Roseworthy, Sth Aust
Posts 525
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Sorry, my bad. Its ebay.com.au. (Penrith, Australia.) Nowhere near me or it would be mine right now.
http://cgi.ebay.com.au/HONDA-CX500-FUEL-TANK-1978-1979_W0QQitemZ310109375172QQcmdZViewItemQQptZAU_Motorcycle_Parts_Accessories?hash=item310109375172&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A1|39%3A1|240%3A1318
I think this will work......^%$#@)(# computers.
If you're still in control...You're not going fast enough.
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12-18-2008, 9:07 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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12-18-2008, 9:17 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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12-19-2008, 3:29 AM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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The guy with the red deluxe tank on e-gay is being a dick and said that there is no way to take pictures of the inside and other side of that tank. I was going to stick with my custom tank until I found a good deal on a deluxe tank but kind of go those plans pushed a little ahead. As for bending the tank back. Not happening, there would be so many bends and weak spots I would be afraid to use them.
I drive WAY too fast to worry about my cholesterol.
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12-19-2008, 6:40 AM
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wildhorses
Joined on 12-04-2008
Crewe, England
Posts 343
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Number one reason I don't go near E-bay, it's full of turds like that & it's too easy to be caught out even if you think you have a genuine good deal...
Randall in mpls Wrote-: Now you have a Fatboy tank! Glad you weren't hurt.
I was going to reply "Why not sell that to the Hardley Dangerous mob", it's uncanny how much it really does look like a proper Harley tank...
Glad nobody got hurt though, could have been really nasty had the cap been on.
I'm wondering if maybe there was some corrosion inside the tank that had retained some volatile element of the juice even after cleaning & slowly released it over the time it sat...
1982 CX500EC - Daily ride now
1989 Mitsubishi Pajero (Dodge Raider in U.S.) SWB 2.5TD Saved from the crusher, near mint with 60k miles.
1992 Suzuki Cultus Convertible (Geo Metro/Chevy Sprint for U.S.), possibly only one in U.K. & only 36k miles.
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12-19-2008, 7:07 AM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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Actually a local bike salvage yard has one dentless for $179. $150 with some trading of parts I have but I don't want to spend that much.
I drive WAY too fast to worry about my cholesterol.
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12-19-2008, 9:44 AM
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kribbie
Joined on 10-20-2008
Kane, PA
Posts 259
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Hello Lonewolfe its kribbie just seeing if you got my message about the tank $30 bucks and ill get a shipping quote for you this evening after I get home from work. Thanks for the interest.
1981 CX500 Deluxe
1981 CX500 Custom (Parting out)
1980 CX500 Deluxe (Parting out)
1980 CX500 Custom (Project)
1971 Suzuki GS400X(Project Maybe)
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12-19-2008, 8:38 PM
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Victrix
Joined on 08-27-2008
eastern WA
Posts 48
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If you are going to weld a gas tank, plumb the exhaust of a car/bike/generator in there first to evacuate the oxygen (old welders trick). Sorry about your loss, but that is still pretty funny. I just parted out a GS850 that caught on fire, the tank was completely ballooned out.
Isaac
You meet the nicest people on a Honda.
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12-20-2008, 7:27 AM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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I've seen this trick done several times by my uncle. He would take a small engine machine and pipe the exhaust into the tank. If he had a big tank he would let it pump in for 30 minutes before starting his repair and left it on during. Once fixed let the weld cool, hit it with a bit of paint and hook things back up.
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Cx500 Deluxe
Buy HTTA Items
Quick Reference Info
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12-20-2008, 7:44 AM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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How easy do the CB750 tanks fit the CX500? I can find them cheaper.
I drive WAY too fast to worry about my cholesterol.
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12-20-2008, 7:58 AM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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I see what you mean about the tanks and price. Just had a look and like the prices I'm seeing. CxSarnia has both
bikes. Maybe he's tried a test fit. Or can provide us with some of the basic dimensions of the tank. If a custom tank is
21 inches end to end and a deluxe tank is two inches longer I bet you can adapt a fit as long as it isn't longer than 23 inches.
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Cx500 Deluxe
Buy HTTA Items
Quick Reference Info
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12-20-2008, 8:10 AM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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12-20-2008, 6:47 PM
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CXSarnia
Joined on 01-11-2008
Sarnia, Ontario, Canada
Posts 2,629
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I'm looking for a new one for my CB750K... to bad it was an Australian listing, it'll be a small fortune to get it to North America!
2009 DN-01 Spakin' New!
1982 CX500 Turbo & Parts bike
1981 SL185 Yamaha Exciter
198? V45 Magna
1979 CX500 Deluxe
1982 CB750K Daily rider September 1999
1982 CX500 Custom - project Originally bought April 1982 safetied and on the road 09/2008
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12-20-2008, 7:30 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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12-20-2008, 7:40 PM
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CXSarnia
Joined on 01-11-2008
Sarnia, Ontario, Canada
Posts 2,629
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yup, it's longer and wider than either of my cx's it holds about 17 Litres (vs my custom is 12 L)
2009 DN-01 Spakin' New!
1982 CX500 Turbo & Parts bike
1981 SL185 Yamaha Exciter
198? V45 Magna
1979 CX500 Deluxe
1982 CB750K Daily rider September 1999
1982 CX500 Custom - project Originally bought April 1982 safetied and on the road 09/2008
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12-20-2008, 7:58 PM
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Lonelywolf8588
Joined on 10-19-2008
Decatur, IL
Posts 156
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How hard would it be to make the tank fit a CX500?
I drive WAY too fast to worry about my cholesterol.
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12-20-2008, 8:03 PM
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CXSarnia
Joined on 01-11-2008
Sarnia, Ontario, Canada
Posts 2,629
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I never tried it, but I would bet the CB750K tank would match up with the 'rubber posts' on the deluxe CX's, but the Custom's front is different with bolts that go through. The back end of course is a bit longer - a bit of a Fab job with some sort of seat alteration would be required too - I'd think.
2009 DN-01 Spakin' New!
1982 CX500 Turbo & Parts bike
1981 SL185 Yamaha Exciter
198? V45 Magna
1979 CX500 Deluxe
1982 CB750K Daily rider September 1999
1982 CX500 Custom - project Originally bought April 1982 safetied and on the road 09/2008
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12-21-2008, 5:19 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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12-23-2008, 8:08 PM
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stormtrooper784
Joined on 08-22-2007
Idaho
Posts 333
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You should be able to make that CB tank fit with a little weldi..... oh yea sorry bout that..
Bwahahahahahaaaaa!!!!!! ( sorry had too...) (o;
Glad you weren't hurt, new a guy that did this, but wasn't as lucky as you were.
Good luck with your search.
81' CX500D
80' CX500C parts all over the place!!!!
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12-29-2008, 3:17 PM
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Sidecar Bob
Joined on 03-02-2006
Kawartha Lakes, Ontario
Posts 1,901
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If you decide to go with the rusty tank shown above, don't try to epoxy line it yourself.. I have heard of a lot of cases where something went wrong and the stuff either didn't harden properly or flaked off a couple of years lalter.
Instead, pull any dents &c and then, before filling & prepping it, take the tank to a local rad repair shop to have them line it. They have done it before and know how to work with the chemicals. They will deal with the smell and the mess. They are equipped to solder up any holes that are too big for the epoxy to seal properly. And they wil probably charge you just about what the POR15 kit would cost.
The GL500 tank on my 650 was done in '03 and is still holding up perfectly.
Mr. Honda ('83 GL1000/Dnepr) summer
The Famous Eccles ('84 GX650EI/Velorex700) winter
WHY I HAVEN"T BEEN AROUND MUCH LATELY
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07-11-2009, 12:40 PM
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NightBiker07
Joined on 04-20-2009
Toledo, OH
Posts 506
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DONT use POR-15. POR-15 is AWESOME for stuff like car frames where they are rough and rusty.
thing with POR, it deteriorates in sunlight, and DOES NOT STICK to anything but rough, rusty metal (loose stuff scraped off, no sanding though)
if you paint it to anything remotely smooth, it will peel off like plastic wrap a short time later. its the most durable coating possible for the right applications though.
80 CX 500
2000 CR 250 DIRT BIKE!!!!!!!!!!
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07-11-2009, 6:34 PM
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gary50
Joined on 09-02-2008
Posts 251
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I've used POR-15 on two motorcycle gas tanks (interior) and it works well and it's not that difficult to do, just follow directions. Do not try to short cut the process.
Cheers, 50gary
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07-12-2009, 9:29 AM
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NightBiker07
Joined on 04-20-2009
Toledo, OH
Posts 506
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 gary50 wrote: | | I've used POR-15 on two motorcycle gas tanks (interior) and it works well and it's not that difficult to do, just follow directions. Do not try to short cut the process.
Cheers, 50gary |
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how is the longevity? i have personal experience with POR peeling off like plastic wrap many times. if the surface isnt bitey enough, forget about it.
80 CX 500
2000 CR 250 DIRT BIKE!!!!!!!!!!
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Honda CX500 & G... » CX500 GL500 Tra... » CX Customizatio... » Re: Big F up
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