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Kingkerm1976

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Nov 21, 2020
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Dear Team

I am new here. I have a pitbike with a yx140cc and tuning the engine this winter,new ooracing ported head and high compression piston. I am stuck on carburetor ,so many people say mikuni vm26 but a pain too jet up.
Any advice would be greatly appreciated.

Stay safe all
 

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rotn50

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Oct 9, 2008
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Dear Team

I am new here. I have a pitbike with a yx140cc and tuning the engine this winter,new ooracing ported head and high compression piston. I am stuck on carburetor ,so many people say mikuni vm26 but a pain too jet up.
Any advice would be greatly appreciated.

Stay safe all
The OKO 26mm is perfect for this motor, standard jetting works well but if you want to tweak it DHZ sells jets for it too. OKO PWK 26mm Flat Slide Race Carburettor Kit
 

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