Patent ID: 8118128

Claim:
In a motorcycle having a vehicle body frame comprising a tubular frame member, the improvement comprising a combination of a cylindrical canister and canister holding structure for mounting the canister to a vehicle body such that a central axis of the cylindrical canister extends in a direction other than a direction perpendicular to a ground surface, the canister holding structure comprising: a holding member for holding the canister, the holding member including an annular portion for placement substantially surrounding a cylindrical body portion of the canister, and a fixing portion configured for attachment to the vehicle body; and a positioning structure for positioning the canister at a predetermined position in the holding member, the positioning structure provided to the annular portion and the canister, wherein the positioning structure comprises: at least one projection provided on a periphery of the cylindrical body portion of the canister; and a plurality of holes formed in the annular portion of the holding member, each of the holes being engageable with the projection.