Straddle type vehicle

A straddle type vehicle, comprising:

• a head pipe;
• paired left and right main frames branching into left and right vehicle width directions from the head pipe and extending toward a vehicle rear;
• and
• an opening provided in a vicinity of said head pipe configured to take in traveling wind to introduce air from the opening to an air cleaner disposed between said paired left and right main frames,
• said paired left and right main frames including
• left and right U-shaped portions having U-shaped cross sections opened inward in the vehicle width direction and constituting a part of an air cleaner case, and
• hollow left and right frame portions provided below the left and right U-shaped portions,
• wherein said air cleaner is disposed between said left and right U-shaped portions, and
• said left and right U-shaped portions comprising:
• left and right ceiling portions extending inward in the vehicle width direction;
• left and right wall portions extending downward from outer ends of the left and right ceiling portions;
• and
• left and right floor portions extending inward in the vehicle width direction from bottom ends of the left and right wall portions,
• wherein said air cleaner comprises a cleaner case cover,
• said left and right ceiling portions include an attachment hole configured to attach said cleaner case cover from above, and wherein
• said cleaner case cover is attached to said left and right ceiling portions by a fastening member inserted into said attachment hole.

A straddle type vehicle, comprising:

• paired left and right main frames branching into left and right vehicle width directions from a head pipe and extending toward a vehicle rear;
• an engine provided below the paired left and right main frames;
• and
• an air cleaner constituting an intake system of the engine provided between said paired left and right main frames,
• said paired left and right main frames including
• a plate-shaped connecting bottom portion bridged across the paired left and right main frames,
• left and right outer wall portions extending upward and downward from the plate-shaped connecting bottom portion,
• left and right ceiling portions extending inward in the vehicle width direction from top ends of said left and right outer wall portions, and
• left and right inner wall portions extending downward from said plate-shaped connecting bottom portion inside said left and right outer wall portions in the vehicle width direction,
• wherein said air cleaner includes an air cleaner case;
• and wherein
• the air cleaner case is disposed above said plate-shaped connecting bottom portion.

A straddle type vehicle, comprising:

• a head pipe;
• paired left and right main frames branching into left and right vehicle width directions from the head pipe and extending toward a vehicle rear;
• and
• an opening provided in a vicinity of said head pipe configured to take in traveling wind to introduce air from the opening to an air cleaner disposed between said paired left and right main frames,
• said paired left and right main frames including
• left and right U-shaped portions having U-shaped cross sections opened inward in the vehicle width direction and constituting a part of an air cleaner case, and
• hollow left and right frame portions provided below the left and right U-shaped portions,
• wherein said air cleaner is disposed between said left and right U-shaped portions,
• said air cleaner includes a cleaner filter,
• one end of said cleaner filter is locked onto a first locking portion formed in said paired left and right main frames, and
• another end of said cleaner filter is locked onto a second locking portion formed in said cleaner case cover.

A straddle type vehicle, comprising:

• head pipe means for supporting vehicle steering components thereupon;
• left and right main frame means branching into left and right vehicle width directions from the head pipe means, and extending toward a vehicle rear;
• and
• opening means provided in a vicinity of the head pipe means, said opening means for taking in travelling wind and introducing air from the opening means to an air cleaner means disposed between the left and right main frame means,
• said left and right main frame means including
• left and right U-shaped means having U-shaped cross sections opened inward in the vehicle width direction, said U-shaped means for forming part of an air cleaner case means, and
• hollow left and right frame means disposed below the left and right U-shaped means,
• wherein the air cleaner means is disposed between the left and right U-shaped means, and
• wherein the left and right U-shaped means at least partially overlap a portion of the hollow left and right frame means.

A straddle type vehicle, comprising:

• head pipe means for supporting vehicle steering components thereupon;
• left and right main frame means branching into left and right vehicle width directions from the head pipe means, and extending toward a vehicle rear;
• and
• opening means provided in a vicinity of the head pipe means, said opening means for taking in travelling wind and introducing air from the opening means to an air cleaner means disposed between the left and right main frame means,
• said left and right main frame means including
• left and right U-shaped means having U-shaped cross sections opened inward in the vehicle width direction, said U-shaped means for forming part of an air cleaner case means, and
• hollow left and right frame means disposed below the left and right U-shaped means,
• wherein the air cleaner means is disposed between the left and right U-shaped means, and
• said left and right U-shaped means comprise:
• left and right ceiling means extending inward in the vehicle width direction;
• left and right wall means extending downward from outer ends of the left and right ceiling means, and
• left and right floor means extending inward in the vehicle width direction from bottom ends of the left and right wall means,
• wherein said air cleaner means includes case cover means for covering the air cleaner case means,
• said left and right ceiling means include an attachment hole for attaching the cleaner case means from above, and wherein
• the cleaner case means is attached to the left and right ceiling means by a fastening means inserted into the attachment hole.

A straddle type vehicle, comprising:

• left and right main frame means for supporting vehicle components thereupon, said left and right frame means branching into left and right vehicle width directions from a head pipe means for supporting vehicle steering components thereupon, said left and right main frame means extending toward a vehicle rear;
• engine means for providing motive force disposed below the left and right main frame means;
• air cleaner means for cleaning intake air constituting an intake system of the engine means, said air cleaner means disposed between said left and right main frame means,
• said left and right main frame means including
• a plate-shaped connecting bottom means bridged across the left and right main frame means,
• left and right outer walls means extending upward and downward from the plate-shaped connecting bottom means;
• left and right ceiling means extending inward in the vehicle width direction from top ends of the left and right outer wall means, and
• left and right inner wall portions extending downward from said plate-shaped connecting bottom means inside said left and right outer wall means in the vehicle width direction,
• wherein said air cleaner means includes an air cleaner case means, and wherein the air cleaner case means is disposed above said plate-shaped connecting bottom means.

A straddle type vehicle, comprising:

• head pipe means for supporting vehicle steering components thereupon;
• left and right main frame means branching into left and right vehicle width directions from the head pipe means, and extending toward a vehicle rear;
• and
• opening means provided in a vicinity of the head pipe means, said opening means for taking in travelling wind and introducing air from the opening means to an air cleaner means disposed between the left and right main frame means,
• said left and right main frame means including
• left and right U-shaped means having U-shaped cross sections opened inward in the vehicle width direction, said U-shaped means for forming part of an air cleaner case means, and
• hollow left and right frame means disposed below the left and right U-shaped means,
• wherein the air cleaner means is disposed between the left and right U-shaped means, and
• said air cleaner means includes filter means for filtering air, wherein one end of said cleaner means is locked onto a first locking means formed in said left and right main frame means, and wherein another end of said filter means is locked onto a second locking portion disposed in said cleaner case cover means.