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Author Topic: YZ 250 "C" what carby and jets do they run?  (Read 1054 times)

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mattsaggus

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YZ 250 "C" what carby and jets do they run?
« on: March 13, 2010, 06:35:31 pm »
Hi all,
          I have picked up a yz250 "C" engine that has no carby,
Whats the best to run on it? I need to keep it legal for classic meetings.

Thanks heaps
Matt Saggus
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Offline Freakshow

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Re: YZ 250 "C" what carby and jets do they run?
« Reply #1 on: March 15, 2010, 04:21:27 pm »
im guessing they probally had a 34mm mukini round slide. Legal all years, great carbies, cheap spares.

And an even wilder guews id say #300 mains, p-0 , #45, #2 and needles probally the 6fp5 sort or taper.
« Last Edit: March 15, 2010, 04:23:11 pm by Freakshow »
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Offline Davey Crocket

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Re: YZ 250 "C" what carby and jets do they run?
« Reply #2 on: March 15, 2010, 11:19:41 pm »
This ones  too modern for you Freaky.... 38mm carb std. Best thing you can do is to buy a parts book, there on Ebay. It will tell you the jetting specs then buy a brand NEW one from TD Hatricks in Townsville.... tell him the jets etc you need because they dont come with the right jets. Beats pissing around with 2nd hand carby's and then having to buy a new one!!!
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Offline Freakshow

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Re: YZ 250 "C" what carby and jets do they run?
« Reply #3 on: March 16, 2010, 12:24:30 am »
yer your right, i was only guessing.

 you posted that pipe yet ? im getting desperate..................
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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
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