Motorcycle engine inserting plate type outer characteristic test frame

The invention belongs to the technical field of motorcycle engine outer characteristic tests, and relates to a motorcycle engine inserting plate type outer characteristic test frame. The motorcycle engine inserting plate type outer characteristic test frame comprises a bottom plate, a fixing frame, an engine mounting plate, a ventilation reinforcing rib plate, a crankshaft coupling, a reinforcinggasket, a hollow positioning pin, a bottom surface mortise-formed pressing block, a flat-key material pressing plate, equal-height cushion blocks, an outer reinforcing rib plate, an inner reinforcingrib plate, a side surface mortise-formed pressing block, an internal thread handle sleeve and a fastener. The test frame is made into a combined structure, after the varieties of to-be-tested enginesare increased and when hole positions on the engine mounting plate are not enough, the other engine mounting plate is adopted for replacement so that multiple process equipment manufacturing problemsbefore testing of various en