| 摘要 |
PROBLEM TO BE SOLVED: To protect a magnetic sensor for detecting a speed by a simple structure. SOLUTION: Rotation of a crank shaft 4 is transmitted to an output shaft 8 through an intermediate shaft 7 and a group of gears 12 for shift. A gear 12B rotatable relative to the intermediate shaft 7 is provided on the intermediate shaft 7 arranged at a rear side of a cylinder 2. The magnetic sensor 18 is mounted to an upper wall of a crank case 3 at the rear side of the cylinder and the detection part 18a is approached to the gear 12B. COPYRIGHT: (C)2007,JPO&INPIT |
