Honda NSS250S Manual page 78

TECHNICAL FEATURES
TRANSMISSION SYSTEM FOR V-MATIC BELT DRIVE
• This system consists of the following:
– Ratio control motor
– Reduction gear A
– Reduction gear B
– Movable drive face position sensor
– Movable drive face position sensor shaft
– Screw gear
– Movable drive face
REDUCTION GEAR B
MOVABLE DRIVE FACE
POSITION SENSOR
MOVABLE DRIVE FACE
POSITION SENSOR SHAFT
The movable drive face position sensor detects the position of the movable drive pulley face, and it send a signal to the
PCM.
The controlling current is flowed to the ratio control motor by the PCM analyzed the signal.
The ratio control motor operated by the controlling current rotate the reduction gear A and B.
When rotating the reduction gear B, the screw gear and movable drive face position sensor shaft are also rotated.
The position of the movable drive pulley face is changed by rotating the screw gear.
The transmission ratio can be changed by the change of the movable drive pulley face position.
The movable drive face position sensor detects the position of the movable drive face by rotation of the sensor shaft.
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RATIO CONTROL MOTOR
REDUCTION GEAR A
SCREW GEAR
MOVABLE DRIVE FACE