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I've got a suzuki 250 4×4. I've gone there it almost entirely and it idles fine but when I give it gas it bogs down never winding tight. All it doesn't have is a breather box would a breather box cause this problem

Posted

There have been  some  members found that without the breather box and air filter their machine does go lean  and bog as you say yours does.. You could try restricting the  air a bit either with  the  choke or just  by partially blocking the intake with your hand and see it it will rev up  ok .

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