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Author Topic: MT 250 Barrel on a CR  (Read 1576 times)

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Offline PCMAX

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MT 250 Barrel on a CR
« on: July 22, 2012, 06:40:47 pm »
Anyone know if the MT barrel drops straight on to the CR? What's the difference in power spread?
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74 MX250A, 75 CR250, 82 CR125, 82 YZ250J, 84 XR250,

Offline Noel

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Re: MT 250 Barrel on a CR
« Reply #1 on: July 22, 2012, 06:52:28 pm »
Not your 75/76 CR, ehaust port on opposite side
will fit 73 /74 but you need the head as well, and probably the piston,
a very detuned   compared to CR

Noel
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Offline PCMAX

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Re: MT 250 Barrel on a CR
« Reply #2 on: July 22, 2012, 07:17:21 pm »
Ahhh thanks Noel, I just went back and had a look at the pics of the one I was looking at on Ebay (http://www.ebay.com.au/itm/260974336819?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649) and you are quite correct exhaust on the wrong side. The upside down pics threw me a bit though I was almost convinced it would fit.

I can go tell the wife I just saved another $97.50 on VMX parts then ;D ;D ;D
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74 MX250A, 75 CR250, 82 CR125, 82 YZ250J, 84 XR250,

Offline Lozza

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Re: MT 250 Barrel on a CR
« Reply #3 on: July 22, 2012, 11:42:08 pm »
Modified MT cylinder is the best thing you can do for a CR.
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Offline jimg1au

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Re: MT 250 Barrel on a CR
« Reply #4 on: July 23, 2012, 07:33:52 am »
lozza
they dont fit 75/76 crs only 73/74 i have both cr engines
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Offline jimg1au

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Re: MT 250 Barrel on a CR
« Reply #5 on: July 23, 2012, 08:07:48 am »
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Offline PCMAX

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Re: MT 250 Barrel on a CR
« Reply #6 on: July 23, 2012, 09:09:18 am »
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74 MX250A, 75 CR250, 82 CR125, 82 YZ250J, 84 XR250,

Offline Lozza

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Re: MT 250 Barrel on a CR
« Reply #7 on: July 23, 2012, 11:46:29 pm »
Later has short base studs early has long through studs, early has exhaust duct on the right later has outlet on the left. I have a 75 model here ATM I'll see how hard it would be to fit the early cylinder and use long studs/bolts. Early cylinder looks like it has more potential especialy if you convert to a reed.
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Offline jimg1au

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Re: MT 250 Barrel on a CR
« Reply #8 on: July 24, 2012, 06:17:30 am »
i domt think so it was for sale if you needed one.i think matcho mick has a nos 75/76 barrel for sale
jim
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