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How To Cut Plastic?


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#1 lamacetona

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Posted 03 May 2007 - 09:04 PM

i think that i am ready to make my quad to look like a drag bike !
i whant to cut my front and back plastics.
if any one has pictures or vids. in how to do it your self please give me a hand
i al so will like to know what kind of tools i am going to need,
thanks in advance

#2 wepn_z

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Posted 03 May 2007 - 09:30 PM

i think that i am ready to make my quad to look like a drag bike !
i whant to cut my front and back plastics.
if any one has pictures or vids. in how to do it your self please give me a hand
i al so will like to know what kind of tools i am going to need,
thanks in advance


There are a few ways to do this. Each way will be as good as your hand is steady.

After you decide what cut you want, you mark your plastics with a sharpie or carefully use a razor blade or exacto knife.

You can use a jigsaw with a good, fine tooth blade that will cut plastic. You might want to put some masking tape where you are gonna make your cut, that way the plastic doesnt fray too much when its cut.

Another way to do it takes longer but can give you better results if done correctly. You use an exacto knife, or sharp utility knife. Start with a really light cut. Then after you make that initial "groove", go over it again making it just a bit deeper. Do this severeal times, going deeper each time, until you have cut about half way through the plastic. Once the cut is deep enough, bend the plastic at the cut up and down a few times and the piece will snap off, with a nice, clean cut.

Come in with some sand paper and smooth to a fine finish. Presto.

#3 psyco66

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Posted 04 May 2007 - 08:37 PM

The way I cut my plastic is I used a die grinder with a cuting disc and then I used a potato pealer to do the final clean up.

#4 gtilley45

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Posted 05 May 2007 - 11:36 AM

I used a jigsaw on my last set, and I plan to do my new plastic the same way. You can go to a hardware store and get a jigsaw blade that is just for plastic. That's what I used and it works real well. I just take some masking tape and cover the area around where I'm gonna be cutting. Then I use a sharpie marker to draw my line on the masking tape, then cut the line. The masking tape will keep the plastic from fraying like wepn_z said, and it will also keep the platform thing on the jigsaw from scratching up your plastic. Then peel the tape off and sand the cut. I start with a pretty rough grit to get it close then finish it up with some fine grit. Then the last thing, take a propane torch and heat the edge of the cut. It will round and smooth the edge of the cut and make it look like a factory edge. Just don't get too close with the flame. :blink2:

#5 Steve @ TQS

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Posted 07 May 2007 - 09:36 AM

i use a dremel

#6 YFcraZ

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Posted 08 May 2007 - 12:28 PM

Ive got a special little chain saw I like to use.


















.Posted Image

Edited by YFcraZ, 08 May 2007 - 12:29 PM.


#7 05yfz450

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Posted 09 May 2007 - 09:23 AM

Ive got a special little chain saw I like to use.
.Posted Image



:mhihi: :party0009:
that thing might cut them ok but you might need to fill your nos bottle up before you start

Edited by 05yfz450, 09 May 2007 - 09:24 AM.


#8 450rooster

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Posted 09 May 2007 - 09:33 AM

did anyone notcie that chainsaw has a 4 cylinder car motor on it?????? it also looks like it has a 600cfm holley carb on it.

SICK!!!! :party0007:

Edited by 450rooster, 09 May 2007 - 09:34 AM.


#9 05yfz450

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Posted 09 May 2007 - 02:21 PM

uhhh i think it is a v6 or v8 if you ask me hard to tell by the angle

#10 yfzwinchester

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Posted 09 May 2007 - 03:38 PM

The nitrous chain saw might be a little to much for cutting atv plastics i would stick with the "Old Les" chain saw.

#11 JJONES660

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Posted 09 May 2007 - 04:10 PM

i have a video of my computer of a pissed off V8 chainsaw cutting logs. :party0007:

its badd ass!

#12 psyco66

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Posted 09 May 2007 - 08:02 PM

Post that shit.

#13 tank

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Posted 20 May 2007 - 07:10 AM

I use a die grinder and finish it up with a belt sander.

Edited by tank, 20 May 2007 - 07:10 AM.


#14 RyanCoonya

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Posted 27 April 2008 - 01:42 PM

Hi i just cut my plastics the other day. I took a few pictures afterward telling what i was doing. There are plenty of ways to do it. Its not rocket science, almost any kind of saw or cutting mechanism can be used because you are going to run over it with sandpaper anyway. I also did not use my cardboard for a template. This ensures that you will have the same exact cut on both sides, but It was going to be harder to cut out the template than to just draw a few lines until it looked about right, and sand the rest down where needed. By the way, I did mine while they were on the fourwheeler. There was still a lot of support from the brackets that you dont have when you take them off and try it on the ground.

items used:
torch, dry erase marker, cardboard... or something to make a template with.
Attached File  P1020468.jpg   71.73K   7 downloads


and a plexi-glass cutter.
Attached File  P1020469.jpg   49.32K   6 downloads


I then took the metal ruler to make my lines. I used a metal ruler because it is flexible in almost any angle making it very easy to draw a nice straight curve.
Attached File  P1020471.jpg   52.34K   6 downloads

The first line is the most important in cutting. once you have a groove for the first line its very easy to go back over. You can even use the metal ruler in this step to make sure you cut an exactly straight line. Then continue going over your line until it cuts all the way through plastic. (Takes a second, but really not bad) If you have any trouble cutting through, take the torch and heat up your plastics from the underside.
Attached File  P1020473.jpg   57.68K   6 downloads

I then ran over it with a torch to get rid of all the hanging pieces of plastic. you really don't need to do this, the sandpaper will pretty much take care of it. Watch out when your sanding and make sure not to scrape it on the plastics, it will make scuff marks that are pretty much impossible to get out. I was really impressed at how easy this was to do a nice curve. Heres a picture of my front fender with the piece removed.
Attached File  P1020479.jpg   61.57K   8 downloads

HOPE THIS HELPS!

#15 VooDoo450

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Posted 26 February 2012 - 10:46 PM

roofing hook blade and heat it up with a torch and when it starts cooling off heat it up again cuts like butter

#16 Spidy

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Posted 14 March 2012 - 01:19 AM

i used a miracle blade III




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