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tensioner spring, seal and bolts in place.
6.Put the ZS500 positioning plate washer on the
GB/T16674 bolt M6×16, tighten the bolt to the
camshaft, install the NC250 camshaft baffle into
the baffle groove of the cylinder head, and finally
put the NC250 cylinder head sealant set into the
sealant groove of cylinder head..
NC250 Magneto rotor timing mark
NC250 front left cover timing mark
Timing driven sprocket timing mark
Cylinder head cover assembly
1.Smear a layer of silicone rubber surface sealant evenly to the cylinder head cover joint surface.
2.Install the cover on cylinder head.
3.put 2 A88 washers to GB/T16674 bolts M6×60, then install them into the cylinder head cover oil channel hole,
then install 2 GB/T16674 bolts M6×35 and 4 GB/T16674 bolts M6×30 through the hole on cylinder head cover and
tighten, tightening torque: 11 ~ 13N.m.
4.Adjust the clearance of inlet and exhaust valves. Clearance value: 0.04 ~ 0.06mm.
5.Install valve chamber cover on cylinder head cover and tighten with GB/T16674 bolt M6×20, tightening torque:
11 ~ 13 N.m.
