Manifold apparatus for multi-cylinder motorcycle engines

In an internal combustion engine having a cylinder block and a carburetor spaced apart from the cylinder block, manifold apparatus extending between the carburetor and the cylinder block, comprising, in combination:

• flange means, including
• a flange to which the carburetor is secured, and
• an aperture extending through the flange through which fuel and air flows from the carburetor;
• chamber means disposed beneath the flange means for receiving the fuel and air flow from the carburetor;
• header means connected to and communicating with the chamber means and extending to the cylinder block and including
• a first portion connected to the chamber means and extending generally horizontally outwardly from the chamber means,
• a second portion connected to the first portion and extending generally vertically from the first portion to above the flange, and
• a third portion connected to the second portion and extending generally horizontally above the flange and to the cylinder block.