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1.
remove bolts GB/T70.1 M6×35 and five-star plate.
2.
Remove the gear shifting arm components.
3.Remove the fixed plate combination screw, fixed plate
washer and fixed plate combination..
Inspection of right crankcase
1.
If the crankshaft oil seal of right crankcase worn, replace it.
note
：
1.
Oil seal should with “TCV” mark.
2.
Keep the mark face outward.
2. if the start shaft oil seal worn, replace it.
Inspection of Pump shaft, pump impeller, water seal components and oil seal
1.check if the pump impeller has cracks or parts loose, replace it.
2.if the water seal components broken, pump shaft sever worn or bend, replace them.
note
：
1.
Apply an appropriate amount of oil in the shaft hole, then press the oil seal in place with special tooling, keep
oil seal mark outward.
2.
Use special tooling to press water pump shaft water seal in place, lower than the end face 0.5mm. Keep water
seal mark is inwards .
3.
Smear some grease to the water seal main lip (grease model no. MYSTIK JT-6).
4.
Press the new pump shaft into place with special tooling.
Install GB/T893.1 closing ring 22 into the groove of the pump shaft hole, make sure assembled pump shaft rotate
flexibly.
Inspection of start shaft
Check wear condition of the start shaft gear.
Inspection of clutch spring
Measure the free length of the clutch spring
Maintenance limits
：
32.3mm
