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Author Topic: 77 - 78 it 250  (Read 7493 times)

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Offline brent j

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Re: 77 - 78 it 250
« Reply #15 on: August 02, 2012, 08:05:21 PM »
Thanks boddy, I didn't fully read your previous post.

If the D is a 5 speed and the E a 6 so it's not a follow on model
« Last Edit: August 05, 2012, 08:37:02 AM by brent j »
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IT400C

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Re: 77 - 78 it 250
« Reply #16 on: August 03, 2012, 11:50:37 AM »
Quote from: mavman4200p on August 02, 2012, 03:01:13 PM
Its a 5 spd

Hmmmm, if it's a 5 speed, then it must be a D model, not an E model then....  Or maybe a D model motor in an E model frame?  Is it matching numbers?
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Offline Andrew L

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Re: 77 - 78 it 250
« Reply #17 on: August 03, 2012, 12:17:27 PM »
Havent bought the bike yet only have seen pictures of it, was told it was a 5spd but who no's untill seen, if it was able to be ridden pre78 could have been a possibilty but its not looking likly will still go and look at it anyway. Thanks for all of your input very helpfull
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Offline crossedup2

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Re: 77 - 78 it 250
« Reply #18 on: August 03, 2012, 01:46:22 PM »
When it comes to IT250 D & E models they where identical. 5 speed for both and generally all the same apart from engine and chassis numbers.
To club race it, it would certainly eligable to ride and I'd challenge any one to pick the difference (apart from stickers???).

The YZ250D and the YZ250E are two completely different engines in two mildly different frame. The IT's and YZ"D" share the same cases and barrell. The YZ250"E" engine is nothing like the "D".

Ride in the pre 78 club races and enjoy! When you start passing other riders you'll enjoy it more.......

Peter B
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Anything Yamaha. AT1, CT1 (X3), RT1, DT3 (x3), YZ125X,  YZ250E, YZ400D, IT175E, IT250H, XR500RC . Always looking for Pre 78 Yamaha stuff....

Offline Nathan S

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Re: 77 - 78 it 250
« Reply #19 on: August 03, 2012, 06:26:48 PM »
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Offline ARN

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Re: 77 - 78 it 250
« Reply #20 on: August 03, 2012, 07:11:25 PM »
the it250 d is a 5 speed ,it is the same gearbox as used in yz400 d and e. the 5 speed was not the ideal ratios for trail so they improved it in 78 it250 e by using a 6 speed with more useable ratios
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Offline crossedup2

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Re: 77 - 78 it 250
« Reply #21 on: August 03, 2012, 08:21:59 PM »
Now I feel like a goose. I was sure that the 250D and E  where both 5 speeds but now I just checked my old parts book the E is a 6 speed. Everything else is the same including the cases. Now that is a strange one.

Nothing will ever surprise me again.

Peter B

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Anything Yamaha. AT1, CT1 (X3), RT1, DT3 (x3), YZ125X,  YZ250E, YZ400D, IT175E, IT250H, XR500RC . Always looking for Pre 78 Yamaha stuff....

Offline Andrew L

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Re: 77 - 78 it 250
« Reply #22 on: August 04, 2012, 11:31:56 PM »
Dont feel bad I asked the question and i'm confused
« Last Edit: August 04, 2012, 11:33:59 PM by mavman4200p »
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Offline rmyzit

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Re: 77 - 78 it 250
« Reply #23 on: August 05, 2012, 07:53:36 PM »
Hi I'm restoring an IT250D (cheapskates YZ250D  ;D) to ride pre78 with classic scamble club here in victoria. The main differences from the YZ is the shorter suspension travel, minor changes to porting and of course the gearbox ratios,  none of which will change your enjoyment of racing at club level. Go for it mavman!
Evo

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Offline Andrew L

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Re: 77 - 78 it 250
« Reply #24 on: August 06, 2012, 07:50:13 PM »
Bought an rt3 360 so the IT will have to wait a bit longer (until the wife forgets about the rt) then ill be on the hunt again. Thanks for all the advice from everyone.
« Last Edit: August 06, 2012, 07:54:27 PM by mavman4200p »
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Offline Iain Cameron

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Re: 77 - 78 it 250
« Reply #25 on: August 06, 2012, 08:46:53 PM »
welcom to DT / RT tragics . Iain
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

Offline Andrew L

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Re: 77 - 78 it 250
« Reply #26 on: August 06, 2012, 09:10:43 PM »
Thanks for the welcome the questions might get more curly from here (if possible).
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Offline Iain Cameron

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Re: 77 - 78 it 250
« Reply #27 on: August 06, 2012, 09:59:53 PM »
If they are about DTs and RTs there are quite a few of us on here .
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

Offline Andrew L

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Re: 77 - 78 it 250
« Reply #28 on: August 06, 2012, 10:13:37 PM »
Havent got it yet will arrive Thursday week very original bike expect plenty of questions after that.
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Offline Iain Cameron

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Re: 77 - 78 it 250
« Reply #29 on: August 09, 2012, 06:24:20 PM »
Is it home ? where are the pic's Mav . Iain  lol
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club
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