Melted plastic on exhaust pipes and headers - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 14 (permalink) Old 01-13-2010, 12:11 AM Thread Starter
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Melted plastic on exhaust pipes and headers

Hi to you all,

I have a question regarding how to remove melted plastic from my exhaust without scratching and making a mess out of the chrome...being a dumb ass and after a hectic day I travelled to work for the night shift, was tired and as soon as I switched off my bike I covered it with a plastic cover and you can imagine what happened..... ouch I only found out the next morning......
Any ideas anyone?
Cheers, Alan
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post #2 of 14 (permalink) Old 01-13-2010, 12:18 AM
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I would try to pick at it with a fingernail or plastic scraper, I've used a brillo pad on mine to remove light rust without scratching it!

1986 vn 750 aka "Huck Farley"
42,000 miles
Rick's stator and rr
Tuxedo stator cover mod
pickup coil mod
dampers replaced
agm m/f battery
Harley sportster exhaust, degoated
Hid conversion
splines lubed
custom "vn750.com" grill cover
NGK Iridium spark plugs


acct to mcct mod https://www.vn750.com/forum/showthread.php?t=17917

rekeying locks, https://www.vn750.com/forum/showthread.php?t=7309

stator replacement walkthrough, https://www.vn750.com/forum/showthread.php?t=11369
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post #3 of 14 (permalink) Old 01-13-2010, 01:46 AM
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Here is a link to the Vulcan verses for a few suggestions: https://www.vn750.com/forum/showthread.php?t=1087
And another thread:https://www.vn750.com/forum/showthread.php?t=12327

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html

Last edited by OlHossCanada; 01-13-2010 at 01:51 AM.
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post #4 of 14 (permalink) Old 01-13-2010, 04:11 AM
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I've removed burnt on crud many times in the past by using a razor blade as a scraper when the exhaust is completely cold and then follow that up with one of those green pan scourers and Solvol Autosol. Then polish up.

A word of warning though. Don't nick your wifes/partners/mums last pan scourer and don't get too much blood mixed in with the Slovol!!!

Ride free, stay safe

Regards to all,
Martin

'88 FJ1200 3CV

1986 VN750 A2 (now sold to another old fart!)

Jardine fishtail pipes (de-goated)
Coastered
R/R relocated
Stator No 2
Avon Venom AM41/42 tyres
Sundance grips
etc
etc
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post #5 of 14 (permalink) Old 01-13-2010, 04:24 AM
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I have had good luck removing melted plastic from exhausts with aircraft remover. You have to brush it on very carefully, and make sure you keep it away from any painted surfaces. Solvents like lacquer thinner, acetone, or mek may get it off if it is not too bad, the problem with those is they evaporate so quickly, they don't have time to soften the plastic if it is very thick. I would keep anything metal away from chrome, and I wouldn't use Brillo pads or Scotchbrite pads either. They will cause dull spots on the chrome that no amount of polishing will remove. Jerry.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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post #6 of 14 (permalink) Old 01-13-2010, 12:35 PM
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Heat gun and a wooden scraper.

Jon

93VN750, under re-construction
vn750.com Member # 828

Rick's Stator and R/R
MF AGM Battery
Coastered
Degoated
Shaved & Jetted
Iridium's
MAC Tapered Staggered Pipes
Battery/Temp/Clock Gauge
Stainless Steel Brake Lines
Dunlop D-404's
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post #7 of 14 (permalink) Old 01-13-2010, 01:22 PM
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000 grade steel wool works really well too.

NIL ILLEGITIMUS CARBORUNDUM

Phil aka Art
"Vanessa"
1995 VN 750 (bought as 2nd owner 11/2008)
26,440 miles
MF Battery
Stator replaced (55 Days!)
V&H Cruisers
Relocate rear turn signals
Highwayman Saddlemen bags
Wingerline Highway bars
Ear Shave
Rejet carbs
R/R relocate
Coastered
Kuryakin ISO Duallys all around
HD Heritage seat
12" ape hangers

To Do:
Some sort of new grips
Mirrors
Paint Job- should I do it myself?
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post #8 of 14 (permalink) Old 01-13-2010, 01:31 PM
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When I melted part of my mechanics gloves to the front head pipe, I used a razor blade once it cooled to remove the majority of it. Anything left came right off with some Mother's metal polish. The key to any of the suggestions here is to be patient, otherwise you'll bollux up the pipe and leave tons of scars on it.

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post #9 of 14 (permalink) Old 01-13-2010, 03:43 PM
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Start the engine, end let the pipes get varm, then the plastic will melt, and it's just to wipe it of with some paper or piece of cloth.... Good luck..

Regards
Richard Schumann
VN750 -86
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post #10 of 14 (permalink) Old 01-14-2010, 01:06 AM
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Quote:
Originally Posted by richarsc View Post
Start the engine, end let the pipes get varm, then the plastic will melt, and it's just to wipe it of with some paper or piece of cloth.... Good luck..
First thing I thought of, and tried. Strangely enough it didn't work, though I don't know why. A heat gun might work, but it will have to be a real high powered heat gun, not a hair dryer. I still say don't use any kind of metal. Chrome scratches real easy. I have dull spots on my header pipes, where I used Turtle Wax chrome polish to remove the remains of baked on bugs. Jerry.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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