Compensator assembly for a motorcycle primary drive

A compensator assembly for transmitting torque from a crankshaft of an engine to a clutch in a motorcycle drive train, the compensator assembly comprising:

• a cam slider mounted on a first end of the crankshaft, the cam slider including a pair of cam members and being configured to rotate with the crankshaft about a crankshaft axis;
• a sprocket mounted on the first end of the crankshaft adjacent the cam slider, the sprocket including a cam member engageable by the pair of cam members of the cam slider, wherein the sprocket is rotatable relative to the crankshaft and the cam slider about the crankshaft axis;
• and
• at least one spring mounted on a first side of the cam slider opposite the sprocket, the spring being operable to bias at least one of the pair of cam members of the cam slider into contact with the cam member of the sprocket;
• wherein the pair of cam members includes a first cam member operable to transmit torque from the crankshaft to the clutch and a second cam member, dissimilar from the first cam member, operable to transmit torque from the clutch to the crankshaft.

A compensator assembly for transmitting torque from a crankshaft of an engine to a clutch in a motorcycle drive train, the compensator assembly comprising:

• a cam slider mounted on a first end of the crankshaft, the cam slider being configured to rotate with the crankshaft about a crankshaft axis;
• a sprocket mounted on the first end of the crankshaft adjacent the cam slider, the sprocket being engageable by the cam slider, wherein the sprocket is rotatable relative to the crankshaft and the cam slider;
• a spring pack mounted on a first side of the cam slider opposite the sprocket, the spring pack being operable to bias the cam slider toward the sprocket;
• a retainer configured to be coupled to the crankshaft to rotate therewith, the retainer being formed with an anti-rotation feature;
• a bolt configured to pass through the retainer and engage the crankshaft, wherein the anti-rotation feature of the retainer is engageable to hold the retainer, the cam slider, and the crankshaft stationary during tightening of the bolt;
• and
• a collar having an interior spline surface coupled to an exterior spline surface on the first end of the crankshaft, wherein the retainer includes an external spline surface coupled to the interior spline surface of the collar.

A compensator assembly for transmitting torque from a crankshaft of an engine to a clutch in a motorcycle drive train, the compensator assembly comprising:

• a cam slider mounted on a first end of the crankshaft, the cam slider including a cam member extending between a peak and a base surface, the cam slider being configured to rotate with the crankshaft about a crankshaft axis;
• a sprocket mounted on the first end of the crankshaft adjacent the cam slider, the sprocket including a plurality of spokes, wherein one of the plurality of spokes engages the cam member of the cam slider, the sprocket further including a plurality of axial openings, wherein the peak extends through one of the plurality of axial openings;
• and
• at least one spring mounted on a first side of the cam slider opposite the sprocket, the at least one spring being operable to bias the cam slider toward the sprocket.