1994 Honda CBR600 F2 De-Smog   Page 4
With the Air Suction Valve and it's metal tubes connected to the cylinder head now
gone, how do I plug those holes in the head??
Here is one solution:
One aluminum rod cut to length with the head shaped
to fit the curve of the exhaust port.
Now, we TIG weld them in place.
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Then grind/sand smooth.
Information contained on
this page is not
recommended by Honda
and could be illegal in
some states.  

Please use this as a guide
and let your own
knowledge lead you.  

Please let us know if you have
any other ideas!
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Another way is simply cut the tubes off of the removed plates, weld up the
holes and bolt back on.

Here the old holes are barely visible on the right and left of each plate.