Thread: Drz400 Thread
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Old 12-16-2012, 01:47 PM   #17280
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Originally Posted by MJS View Post
Had the vacuum diaphragm go bad in my DRZ and fill the engine with fuel. It is only a single diaphragm and any leakage goes directly into the intake manifold through the vacuum port downstream of the carb. Gravity will take it straight into the cylinder.
I've never seen a single layer petcock diaphragm. Have a look at Are you sure the diaphragm's plunger o-ring or the multi-hole rubber selector gasket did not go bad in combination with a leaky float valve?


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