Abstract: Left and right radiators in a saddle type vehicle are formed in a trapezoidal shape and disposed such that a shorter one of two side portions of each of the radiators which extend in parallel or substantially in parallel to each other as viewed in front elevation is positioned at the inner side in the vehicle widthwise direction. A longer one of the side portions is disposed at the outer side in the vehicle widthwise direction. Forward projections of an exhaust pipe projecting forwardly from an engine pass below the shorter side portions at the inner side in the vehicle widthwise direction of the radiators.

Abstract: A body frame structure for a saddle type vehicle includes a pair of left and right main frames extending rearward from a head pipe. A down frame extends downward from the head pipe, and a pair of left and right reinforcement members range between the main frame and the down frame. Each of the reinforcement members is formed in a roughly U-shaped form in sectional view, and ranges between the main frame and the down frame in the state where an opening portion of its roughly U-shaped sectional form is oriented inward in the vehicle width direction. Its end portions are welded respectively to the main frame and the down frame.

Abstract: A body frame structure for a saddle type vehicle includes a pair of left and right main frames extending rearward from a head pipe. A down frame extends downward from the head pipe, and a pair of left and right reinforcement members range between the main frame and the down frame. Each of the reinforcement members is formed in a roughly U-shaped form in sectional view, and ranges between the main frame and the down frame in the state where an opening portion of its roughly U-shaped sectional form is oriented inward in the vehicle width direction. Its end portions are welded respectively to the main frame and the down frame.

Abstract: Left and right radiators in a saddle type vehicle are formed in a trapezoidal shape and disposed such that a shorter one of two side portions of each of the radiators which extend in parallel or substantially in parallel to each other as viewed in front elevation is positioned at the inner side in the vehicle widthwise direction. A longer one of the side portions is disposed at the outer side in the vehicle widthwise direction. Forward projections of an exhaust pipe projecting forwardly from an engine pass below the shorter side portions at the inner side in the vehicle widthwise direction of the radiators.

Abstract: A fuel injection control device for an engine executes a split injection constructed by a fixed injection and a variable injection. A required injection amount of the fixed injection is set in a low range. A required injection amount of the variable injection is set in a high range. An injection amount in the high range is larger than that of the low range. The required injection amount of the variable injection is changed within the high range while the required injection amount of the fixed injection is fixed when a load of the engine is varied while the split injection is performed. An injection control characteristic is corrected based on an actual air-fuel ratio detected before the load is varied and an actual air-fuel ratio detected after the load is varied.

Abstract: A fuel injection control device for an engine executes a split injection constructed by a fixed injection and a variable injection. A required injection amount of the fixed injection is set in a low range. A required injection amount of the variable injection is set in a high range. An injection amount in the high range is larger than that of the low range. The required injection amount of the variable injection is changed within the high range while the required injection amount of the fixed injection is fixed when a load of the engine is varied while the split injection is performed. An injection control characteristic is corrected based on an actual air-fuel ratio detected before the load is varied and an actual air-fuel ratio detected after the load is varied.