TENSION-APPLYING MEMBER, TENSION-APPLYING-MEMBER ASSEMBLY, ENGINE, AND SADDLE-TYPE VEHICLE

An arrangement is provided using a blade tensioner to tension a cam chain, where the tensioner and cam chain can be easily attached to an engine having a cylinder body that does not have a side that can be opened. A blade shoe (168) includes a plate portion (172), front end portion (179), rear end portion (175), first jig mounting portion (300) and second jig mounting portion (302). The first jig mounting portion (300) is provided closer to the front end portion (179) than the center of the tensioning member as measured in a length direction is and a jig (200) is attached thereto. The second jig mounting portion (302) is provided closer to the rear end portion (175) than the center of the tensioning member as measured in a length direction is and the jig (200) is attached thereto. The first jig mounting portion (300) has an opening (301) facing in a direction crossing a direction in which the leaf spring (166) extends.