Vintage Dirt Bike Q & A

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PostPosted: Thu Sep 27, 2012 7:25 pm 
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Joined: Mon Aug 20, 2012 8:02 am
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I picked up this part bike and would like to know what it is. The number on the frame did not cross reference to anything I could find on the internet. I'm guessing it's around a 1980 IT something or another. Anyone know?

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PostPosted: Thu Sep 27, 2012 7:57 pm 
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Joined: Tue Aug 31, 2004 1:44 am
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Location: Maysville, AR
it looks like it could be a IT250 or 400 perhaps.it may even say IT250 or IT400 in the vin number,perhaps if you have the vin number we can go from there as it would help there.

_________________
(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: Thu Sep 27, 2012 8:06 pm 
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VIN looks like 1W2-024214. The very first 1 looks kind of odd though. It could maybe even be a 9.


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PostPosted: Thu Sep 27, 2012 8:59 pm 
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Location: Maysville, AR
Blown 331 wrote:
VIN looks like 1W2-024214. The very first 1 looks kind of odd though. It could maybe even be a 9.

according to this a 1977 or 78 IT175.
http://www.dropbears.com/y/yamaha/modelcodes.htm

this one too.
http://www.yamaha-it.co.uk/text/models.htm

_________________
(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: Thu Sep 27, 2012 9:08 pm 
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Cool! Nice work. I thought it would have been bigger than that. I checked that first site but missed it somehow.


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PostPosted: Thu Sep 27, 2012 9:20 pm 
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Joined: Tue Aug 31, 2004 1:44 am
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Location: Maysville, AR
the IT175 was a great bike and they put out over 25 HP and would spin up to 9500 or so.they had huge carbs for a 175 and i think they were 34 mm units.

it would be a great bike to fix up if you wanted.

the 79-80 IT175 engine was quite different and no parts i know of would interchange.

the 77-78 IT175 parts do come up on Ebay quite a bit though.

i thought it would had been a 250 or 400 due to the beefy looking chassis but the IT175 was a pretty stout machine for a 175.it can hang with the other Enduro race bikes like a Suzuki PE175 or Kawasaki KDX175 from that period.

if you want real grunt,find a IT465 or 490 from the early 80's. :shock:

i got to ride a 1982 PE175 years ago and that was one stout 175,i am hoping my hopped up DT175 will be like that or close to it.that IT should be as impressive as a PE175 is bone stock.

_________________
(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: Thu Sep 27, 2012 9:31 pm 
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Joined: Mon Aug 20, 2012 8:02 am
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I'm not going to fix it. As far as vintage Yamahas go I prefer dual rear shocks. I've got several TT/XT500s and a 71 RT1 and a 74 DT360, both stripped down for dirt only. A buddy of mine had an IT175, chain was on the opposite side.


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PostPosted: Thu Sep 27, 2012 9:57 pm 
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Joined: Tue Aug 31, 2004 1:44 am
Posts: 283
Location: Maysville, AR
i know what you mean there,i like the twin shock bikes really well and my 1970 RT1M and 1975 DT400B are some of my favorites.i got a 1978 DT175 that was someone Else's parts bike at one time but i am restoring it for a change of pace.

i would love to get a TT500 sometime but i already have several project bikes i need to complete first.

_________________
(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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