Yingang YG125-25, Руководство по обслуживанию

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YG125-25 Maintenance Manual Clutch and Right crankcase cover
Clutch and Right crankcase cover
Maintenance notice Clutch
Troubleshooting Right crankcase cover
Maintenance notice
To carry out the maintenance stated herein, it is unnecessary to detach the engine from the frame. However, the engine
lubricating oil must be discharged.
Remove the protecting shield, and loosen the rear brake cylinder body, rear brake lamp switch and spring and rear brake
return spring, and then pull out the rear brake pedal.
Before assembling, clean all parts and components with cleaning agent and dry them with compressed air.
To assemble the clutch, loosen the clutch spring and coat engine oil on the clutch disc; in case of replacing new clutch, the
clutch disc must be soaked in oil for over 24 hours before being assembled.
Be careful not to damage the crankshaft seal on the right crankcase cover.
Technical specifications & maintenance benchmark
Item Standard value Maintenance limit value
Clutch
Handle free stroke 10
～
20 /
Spring free length
39.74 38.7
Disc thickness
3.0 2.8
Disc planeness / /
Clutch plate thickness 1.4 /
Clutch plate planeness 0.10 0.20
Key torque values
Clutch retaining nut 114-126N.m
Primary driving gear fastening nut 143-157N.m
Clutch lift plate fastening nut 8-12N.m
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