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A watercraft has steering force detection sections. Each steering force detection section includes a pressure receiving section. The pressure receiving sections are spaced from each other and are in the vicinity of a steering shaft. A pressing member is coupled to the steering shaft. The pressing m

A watercraft has steering force detection sections. Each steering force detection section includes a pressure receiving section. The pressure receiving sections are spaced from each other and are in the vicinity of a steering shaft. A pressing member is coupled to the steering shaft. The pressing member can press on at least one of the pressure receiving sections when the steering handlebars are rotated to a maximum steering angle. A received pressure detection section detects the pressure applied to the pressure receiving section. The pressure receiving section and the received pressure detection section are coaxially mounted in a pressure receiving section casing and a detection section casing. A guide tube can engage the pressure receiving section and the received pressure detection section. The guide tube is formed with ribs and grooves. The pressure receiving section has a pressure receiving member, a bolt, a plain washer, and a spring member.

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What is claimed is: 1. A steering force detection device for a steering handle of a vehicle, comprising: a pair of steering force detection sections spaced from each other and near a steering shaft connected to a steering handle of a vehicle, each steering force detection section including a pressu

What is claimed is: 1. A steering force detection device for a steering handle of a vehicle, comprising: a pair of steering force detection sections spaced from each other and near a steering shaft connected to a steering handle of a vehicle, each steering force detection section including a pressure receiving section; a pressing member being connected to the steering handle or the steering shaft, the pressing member comprising a pair of pressing sections, the pressing member being configured such that one of the pressing sections presses against one of the pressure receiving sections when the steering handle is rotated to a first position, the other pressing section presses against the other pressure receiving section when the steering handle is rotated to a second position; wherein the steering force detection device being configured to detect a steering force of the steering handle based on a pressure applied by one of the pressing sections to one of the pressure receiving sections, the pair of steering force detection sections being positioned such that the pressure receiving sections are spaced apart by a distance, wherein the pressure receiving sections are actuatable along lines of action that are generally parallel to each other and generally perpendicular to the distance. 2. The steering force detection device of claim 1, wherein the first position and the second position define maximum steering angles of the steering handle. 3. The steering force detection device of claim 1, further comprising a detection section casing and pair of pressure receiving section casings, each of pressure receiving section casings having a pressure receiving section mounting cavity, each pressure receiving section mounting cavity is configured to receive one of the pressure receiving sections, wherein each of the steering force detection sections includes a received pressure detection section configured to detect a pressure applied to one of the pressure receiving sections, each received pressure detection section is housed in a received pressure detection section mounting cavity of the detection section casing, each of the pressure receiving section casings is coupled to the detection section casing. 4. The steering force detection device of claim 3, wherein the pressure receiving section and the received pressure detection section engage each other so as to transmit a pressure applied to the pressure receiving section to the received pressure detection section. 5. The steering force detection device of claim 3, wherein each pressure receiving section comprises a pressure receiving member moveably mounted in one of the pressure receiving section casings, a portion of the pressure receiving member moveable between a first position and a second position, the pressure receiving member protrudes from a surface of the pressure receiving section casing facing the pressing member when the pressure receiving member occupies the first position, the pressure receiving member is retracted in the pressure receiving section casing when the pressure receiving member occupies the second position, the pressure receiving member is movable relative to a washer member, a preloaded spring member is interposed between the pressure receiving member and the washer member, and wherein the pressure receiving member is configured to receive a force applied by the pressing member and is configured to transmit at least a portion of the force to the received pressure detection section through the spring member and the washer member. 6. The steering force detection device of claim 3, wherein an average width of the mounting opening of the received pressure detection section mounting cavity is less than an average width of the received pressure detection section mounting cavity. 7. The steering force detection device of claim 3, further comprising a sealing member positioned between a fitting portion of the detection section casing and the pressure receiving section casing, and a portion of an outer surface of a guide tube engages the fitting portion. 8. The steering force detection device of claim 3, wherein a fitting surface of the detection section casing and a fitting surface of the pressure receiving section casing are generally flat and perpendicular to the line of action of the pressure receiving section. 9. The steering force detection device of claim 3, further comprising a bolt hole extending through at least a portion of the detection section casing and the pressure receiving section casing, the bolt hole having a longitudinal axis that is generally parallel with one of the lines of action of the pressure receiving sections is formed in the detection section casing and the pressure receiving section casing, and a bolt is disposed within the bolt hole coupling the detection section casing and the pressure receiving section casing together. 10. A steering force detection device for a steering handle of a vehicle, comprising: a pair of steering force detection sections spaced from each other and near a steering shaft connected to a steering handle of a vehicle, each steering force detection section including a pressure receiving section; a pressing member being connected to the steering handle or the steering shaft, the pressing member comprising a pair of pressing sections, the pressing member being configured such that one of the pressing sections presses against one of the pressure receiving sections when the steering handle is rotated to a first position, the other pressing section presses against the other pressure receiving section when the steering handle is rotated to a second position; wherein the steering force detection device being configured to detect a steering force of the steering handle based on a pressure applied by one of the pressing sections to one of the pressure receiving sections, the pair of steering force detection sections being positioned such that the pressure receiving sections are spaced apart by a distance, wherein the pressure receiving sections are actuatable along lines of action that are generally parallel to each other and generally perpendicular to the distance; and a detection section casing that comprises two received pressure detection section mounting cavities and a circuit board housing recess, the received pressure detection section mounting cavities are sized and configured to house the received pressure detection sections, the received pressure detection sections are connected to an electric circuit board, the circuit board housing recess is sized and configured to house the electric circuit board, a pair of mounting openings of the two received pressure detection section mounting cavities and the circuit board housing recess are formed on the same side of the detection section casing and are generally perpendicular to the lines of action. 11. A steering force detection device for a steering handle of a vehicle, comprising: a pair of steering force detection sections spaced from each other and near a steering shaft connected to a steering handle of a vehicle, each steering force detection section including a pressure receiving section; a pressing member being connected to the steering handle or the steering shaft, the pressing member comprising a pair of pressing sections, the pressing member being configured such that one of the pressing sections presses against one of the pressure receiving sections when the steering handle is rotated to a first position, the other pressing section presses against the other pressure receiving section when the steering handle is rotated to a second position; wherein the steering force detection device being configured to detect a steering force of the steering handle based on a pressure applied by one of the pressing sections to one of the pressure receiving sections, the pair of steering force detection sections being positioned such that the pressure receiving sections are spaced apart by a distance, wherein the pressure receiving sections are actuatable along lines of action that are generally parallel to each other and generally perpendicular to the distance; a detection section casing and pair of pressure receiving section casings, each of pressure receiving section casings having a pressure receiving section mounting cavity, each pressure receiving section mounting cavity is configured to receive one of the pressure receiving sections, wherein each of the steering force detection sections includes a received pressure detection section configured to detect a pressure applied to one of the pressure receiving sections, each received pressure detection section is housed in a received pressure detection section mounting cavity of the detection section casing, each of the pressure receiving section casings is coupled to the detection section casing; and a pair of guide tubes, each guide tube being disposed in one of the received pressure detection section mounting cavity of the detection section casings and the pressure receiving section mounting cavity of the pressure receiving section casings, and each of the received pressure detection sections is disposed in a first portion of the guide tube disposed in the detection section casing and the pressure receiving section is disposed in a second portion the guide tube disposed in the pressure receiving section casing. 12. The steering force detection device of claim 11, wherein the guide tubes each have a wall having a inner surface and a rib, the rib extends in the axial direction along the wall, the guide tubes further comprise a first portion configured to receive and house one of the received pressure detection sections and a second portion configured to receive and house one of the pressure receiving sections. 13. The steering force detection device of claim 12, wherein the rib is displaceable towards the inner surface of the guide tube when one of the received pressure detection section and the pressure receiving section is positioned in the guide tube. 14. A steering force detection device for a steering handle of a vehicle, comprising: a first force sensor and a second force sensor spaced from each other and near a steering shaft connected to a steering handle of a vehicle, the first force sensor and the second for sensor being configured to measure a steering force; and a pressing member being connected to the steering handle or the steering shaft, the pressing member comprising a first pressing section and a second pressing section, the pressing member being configured such that the first pressing section presses against the first force sensor when the steering handle is rotated to a first position, the second pressing section presses against the second force sensor when the steering handle is rotated to a second position; wherein the first force sensor and the second force sensor are positioned to measure a first force and a second force, respectively, that are generally parallel to each other, and the first force and the second force are offset from each other. 15. The steering force detection device of claim 14, further comprising a first pressure receiving section casing, a second pressure receiving section casing, and a detection section casing, the first pressure receiving section casing and the detection section casing surround and house the first force sensor, and the second pressure receiving section casing and the detection section casing surround and house the second force sensor. 16. The steering force detection device of claim 14, wherein the vehicle is a watercraft having a jet propulsion unit. 17. A steering force detection device for a steering handle of a vehicle, comprising: a first force sensor and a second force sensor spaced from each other and near a steering shaft connected to a steering handle of a vehicle, the first force sensor and the second for sensor being configured to measure a steering force; a pressing member being connected to the steering handle or the steering shaft, the pressing member comprising a first pressing section and a second pressing section, the pressing member being configured such that the first pressing section presses against the first force sensor when the steering handle is rotated to a first position, the second pressing section presses against the second force sensor when the steering handle is rotated to a second position; wherein the first force sensor and the second force sensor are positioned to measure a first force and a second force, respectively, that are generally parallel to each other, and the first force and the second force are offset from each other; a first pressure receiving section casing, a second pressure receiving section casing, and a detection section casing, the first pressure receiving section casing and the detection section casing surround and house the first force sensor, and the second pressure receiving section casing and the detection section casing surround and house the second force sensor; and a circuit board that is connected to the first force sensor and the second force sensor, the detection section casing has an opening and an interior chamber, the opening is sized such that the circuit board, the first force sensor, and the second force sensor can be passed therethrough and mounted in the interior chamber. 18. The steering force detection device of claim 17, wherein the steering force detection device is generally U-shaped. 19. The steering force detection device of claim 18, wherein the first force sensor and the second force sensor are generally parallel to each other and the circuit board is positioned between the first force sensor and the second force sensor. 20. A steering force detection device for a steering handle of a vehicle, comprising: a first force sensor and a second force sensor spaced from each other and near a steering shaft connected to a steering handle of a vehicle, the first force sensor and the second for sensor being configured to measure a steering force; and a pressing member being connected to the steering handle or the steering shaft, the pressing member comprising a first pressing section and a second pressing section, the pressing member being configured such that the first pressing section presses against the first force sensor when the steering handle is rotated to a first position, the second pressing section presses against the second force sensor when the steering handle is rotated to a second position; wherein the first force sensor and the second force sensor are positioned to measure a first force and a second force, respectively, that are generally parallel to each other, and the first force and the second force are offset from each other, wherein the first force sensor and the second force sensor are separated by a distance greater than the diameter of the steering shaft.