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1974 MX250 Jetting
http://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=28&t=4645
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Author:  travisb [ Wed Jun 08, 2016 8:15 pm ]
Post subject:  1974 MX250 Jetting

Hello,

I just picked up a 74 MX250. The bike starts on the first kick and pulls strongly at the bottom of the rev range, but sputters and will not rev out.

Does anyone know the spec jetting and initial needle settings for this bike?

I plan to check the carb internals to make sure jets are not clogged.

Thank you,
Ben

Author:  tnr [ Mon Jun 27, 2016 2:00 pm ]
Post subject:  Re: 1974 MX250 Jetting

Stock main jet is a #280 and it used a 6dh3-3 needle. Clip should be in the middle groove. #60 pilot jet.

Author:  travisb [ Tue Aug 09, 2016 1:35 pm ]
Post subject:  Re: 1974 MX250 Jetting

Tnr - thank you for the jetting information.

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