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XIV. Drive disk/Clutch/Driven Wheel / Foot start mechanism
Preparation data -------14.1 Clutch/Driven Wheel -----------------------------14.5
Fault diagnosis---------14.2 Disassemble the clutch and the driven wheel -14.6
Left crankcase cover --14.3 Installation------------------------------------------14.7
Drive disk --------------14.4
Foot start mechanism ----------------------------14.8
14.1 Preparation data
Matters needing attention in operation
In the operation, there should be no grease on the surface of the triangle belt. Otherwise remove it to reduce the
skidding between the triangle belt and belt wheel to the lowest.
Function: the drive disk, clutch and the driven wheel compose the steeples speeder. The torque between the dive
disk and the driven wheel is transmitted through the triangle belt.
Preparation reference Unit：mm
Item Standard value Allowable limit
the right half of the internal diameter of the drive wheel 25.989-26.052 26.06
the external diameter of sliding sleeve 25.96-25.974 25.94
width of the triangle belt 17 16
thickness of the friction plate of clutch 1.8 1.5
the internal diameter of outer sleeve of clutch 118-118.3 118.5
the free length of clutch-pressing spring 68-70 68
the external diameter of right-half shaft sleeve of the driven wheel 32.95-32.975 32.94
the external diameter of right-half sliding sleeve of the driven wheel 33-33.025 33.06
the external diameter of the rolling ball 14.92-15.08 14.4
14.2 Fault diagnosis
The motor can not move after the engine is started The horsepower is not sufficient There is shaking in the movement
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