SailNet Community - View Single Post - Yanmar SB 12 wont reach maximum RPM in neutral
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Old 02-28-2010
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If the exhaust mixing elbow or other parts of the exhaust are clogged or restricted, the exhaust gases can not escape the engine quickly enough. The exhaust which builds up ends up preventing the engine from breathing properly since the exhaust doesn't end up leaving the cylinders the way it is supposed to, and the symptoms can be very similar to that of a clogged airfilter.

Basically, if you think of the engine as an animal... if it can't exhale properly, it can't inhale properly...and it can't run very well if that is the case.

Quote:
Originally Posted by weststar View Post
Sailingdog can you eplain what you mean by exhaust backpressue. Thanks
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Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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