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Author Topic: '74 TS250 Questions  (Read 9528 times)

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Offline YUMASTEPSIDE

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Re: '74 TS250 Questions
« Reply #60 on: March 14, 2012, 02:17:16 pm »
...............happy now ? ;D

                           

                                                            Roger   ;)

             .......the pipes actually off my MR175, this one will have a downpipe and euro style vinyl side covers
« Last Edit: March 14, 2012, 02:19:46 pm by YUMASTEPSIDE »
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Offline Freakshow

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Re: '74 TS250 Questions
« Reply #61 on: March 14, 2012, 03:57:54 pm »
better thanks
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74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff

oldfart

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Re: '74 TS250 Questions
« Reply #62 on: March 14, 2012, 05:21:22 pm »
In the above configuration it's a pre 78  entry  ;)
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Offline Doc

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Re: '74 TS250 Questions
« Reply #63 on: March 14, 2012, 07:27:44 pm »
Stew, unlike vmx the only class requisites for vinduro is the bikes must be pre '85 trail/enduro models although some pre'90 models can sneak in also. Easy peasy ;)
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Offline JC

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Re: '74 TS250 Questions
« Reply #64 on: March 15, 2012, 09:31:08 am »
Looks good Roger, but if you run it w'out bracing the swingarm I dare say it'll soon bend.

 DT head really suits. Was it much work to adapt it?
« Last Edit: March 21, 2012, 11:20:14 am by JC »
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Offline halo1963

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Re: '74 TS250 Questions
« Reply #65 on: April 02, 2012, 01:06:10 am »
If you are still interested here is a comparison I did on the TS25 76 gear box against the TM250
After a lot of actual research I can confirm

TS76 Counter shaft is the old version for TM (72)because it only has 12 teeth
1st driven gear same as 74 (29 teeth) not 75 (27 teeth)
2nd drive gear same as 74 (15 teeth)not 75(16 teeth)
2nd driven gear same as 74 (27 teeth)not 75(25 teeth)
4th drive gear same as 74 (21 teeth)not 75 (20 teeth)
5th drive gear same as 74 (23 teeth)not 75 (22 teeth)
Drive shaft is slightly different
Thrust washers are different may be because of the slightly different drive shaft
remove the neutral switch and swap washers accordingly
Primary gear on the clutch is different ?
And remove the taco drive from the oil pump

So much closer to the TM250 74 internal

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Regards
Halo1963
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