Author Topic: Yamaha sprockets  (Read 2474 times)

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Offline steve7406

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Yamaha sprockets
« on: August 12, 2013, 05:24:35 pm »
Rear sprockets for a 74 mx 250 where can you get them.
2000 Yamaha WR400f
1980 Suzuki RM250t
1977 Suzuki RM125b                                         
1975 Yamaha MX250b
1973 Yamaha mx360 (on the rebuild table)                                                               
1972 Yamaha dt1 250
1976 Suzuki ts 185

Offline Nathan S

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Re: Yamaha sprockets
« Reply #1 on: August 12, 2013, 07:48:49 pm »
I bought mine from John Titman.
I don't know of any "off the shelf" option.
The good thing about telling the truth is that you don't have to remember what you said.

Offline Andrew L

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Re: Yamaha sprockets
« Reply #2 on: August 12, 2013, 08:33:00 pm »
I think these are the same bolt pattern but only go up to 49 teeth they fit several other models as well search the site a bit more you might find what you need.

http://www.jtsprockets.com/catalogue/model/6330
"You have not made any mistakes if you find extra pieces after assembling an object. In fact you have just found a way to make the object more efficient."

Offline Nathan S

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Re: Yamaha sprockets
« Reply #3 on: August 12, 2013, 09:27:59 pm »
I'm pretty sure the IT125 used the early YZ125-IT175 bolt pattern, which is different to the MX250 pattern.

If my memory serves me, the MX250/360 and SC500 are the only ones to use that particular sprocket.
The good thing about telling the truth is that you don't have to remember what you said.

Offline Iain Cameron

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Re: Yamaha sprockets
« Reply #4 on: August 12, 2013, 10:47:06 pm »
Might be wrong , but I think DT2MX and RT2MX use it same as well . Iain
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

oldfart

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Re: Yamaha sprockets
« Reply #5 on: August 13, 2013, 07:01:40 am »
PBI Australia.....  ;)

Offline steve7406

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Re: Yamaha sprockets
« Reply #6 on: August 14, 2013, 04:53:07 pm »
Thanks guys will ring PBI will also ring john titman again last phone call I made was told don't do em.
2000 Yamaha WR400f
1980 Suzuki RM250t
1977 Suzuki RM125b                                         
1975 Yamaha MX250b
1973 Yamaha mx360 (on the rebuild table)                                                               
1972 Yamaha dt1 250
1976 Suzuki ts 185

Offline Davey Crocket

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Re: Yamaha sprockets
« Reply #7 on: August 14, 2013, 06:36:37 pm »
You need to talk to John, they have blanks and a wall full of all types of sprockets which he can re-drill the center to suit. Titty keeps a "book" with all of the measurements in it...old school but it works. If he hasn't got it on file, send him your old one so he can copy it.
QVMX.....Australia's #1 VMX club......leading the way.

Offline Iain Cameron

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Re: Yamaha sprockets
« Reply #8 on: August 14, 2013, 06:55:56 pm »
John makes them , only speak to John the others are good for more modern stuff but John is the brains with sprockets . He's made 2 or 3 for me over the years . Iain
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 Nathan S

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Re: Yamaha sprockets
« Reply #9 on: August 14, 2013, 08:00:46 pm »
I got some random young bloke when I rang (definitely not John) and had no hassles?!
The good thing about telling the truth is that you don't have to remember what you said.

oldfart

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Re: Yamaha sprockets
« Reply #10 on: August 14, 2013, 08:01:56 pm »
PBI have them in stock    7054 -51