Patent ID: 7690346

Claim:
A carburetor mounting structure comprising: a first mounting flange and a second mounting flange which are formed at a downstream end and an upstream end of a carburetor, respectively; and a plurality of bolts which pass through the first mounting flange and the second mounting flange and which are fastened to secure them to a carburetor mounting portion of an engine, wherein a stud bolt of said plurality of bolts is implanted in the carburetor mounting portion, and a screw hole is provided in the carburetor mounting portion; wherein the first mounting flange includes a first bolt hole defined therein and the second mounting flange includes a first bolt defined therein, wherein the stud bolt passes through the first bolt holes of the first and second mounting flanges, wherein the first mounting flange includes a second bolt hole define therein and the second mounting flange includes a second bolt hole defined therein, wherein a tap bolt of said plurality of bolts is screwed into the second bolt holes of the first and second mounting flanges; and wherein the first bolt hole of the first mounting flange is formed into a notched shape, the stud bolt being inserted into the first bolt holes of the first and second mounting flanges from outside of the first mounting flange, and wherein a thermal insulating plate is disposed directly between the first mounting flange and the carburetor mounting portion of the engine.