Vintage Dirt Bike Q & A

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PostPosted: Sat May 11, 2013 10:48 am 
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Joined: Tue Apr 23, 2013 7:47 am
Posts: 16
My friend has this and swears it's a Profab, can any one tell me if it is?
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PostPosted: Sat May 11, 2013 12:37 pm 
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Joined: Tue Aug 31, 2004 1:44 am
Posts: 283
Location: Maysville, AR
is it made out of aluminum? you can tell by seeing if a magnet will stick to it.

if it is steel a magnet will stick to it and if it made from aluminum a magnet will not stick to it.

i think the 78 IT175 had a steel arm but then i could be wrong on that one.

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(2) 1968 DT1 1970 RT1M,1970 DT1C 1971 RT1B Enduro 1974 MT250 1974 DT250A (2) 1975 DT400B 1974 DT100,1978 DT175
1975 CR250M1 1979 CR250R 1979 Kawasaki KZ400H1 Jesus is Lord!!


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PostPosted: Sat May 11, 2013 1:27 pm 
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Joined: Tue Apr 23, 2013 7:47 am
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I know how to tell if its aluminum I was wondering if somebody could tell by the way it's manufactured. For example l, the bracing or if Profab stamped them or something.


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PostPosted: Sat May 11, 2013 2:45 pm 
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Joined: Mon Dec 10, 2012 7:27 pm
Posts: 30
Do a google image search and look at pictures of a stock IT with the aluminum swing arm's. The one in your pic could be an aftermarket. I am not familiar with IT's enough to know. Comparing you pic to the YZ swing arm's I have, the one in the pic is totally different.


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PostPosted: Sun May 12, 2013 12:21 am 
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Joined: Tue Aug 31, 2004 1:44 am
Posts: 283
Location: Maysville, AR
Seattledirt wrote:
I know how to tell if its aluminum I was wondering if somebody could tell by the way it's manufactured. For example l, the bracing or if Profab stamped them or something.

i was pretty sure you know on the aluminum steel part but i was merely covering that early just in case.

the last thing i want is for you to be offended.

a truth here you can post pics and text on a board but the poster cannnot post intent. :oops:

_________________
(2) 1968 DT1 1970 RT1M,1970 DT1C 1971 RT1B Enduro 1974 MT250 1974 DT250A (2) 1975 DT400B 1974 DT100,1978 DT175
1975 CR250M1 1979 CR250R 1979 Kawasaki KZ400H1 Jesus is Lord!!


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PostPosted: Sun May 12, 2013 8:29 am 
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Joined: Tue Apr 23, 2013 7:47 am
Posts: 16
Dave, no worries man. I wasn't offended. It's all good.


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