Zontes ZT1P77MP User Manual

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11 ZT1P77MP rocker limit block 2 29
M6×30 hexagonal flange bolts
(environmental protection color
zinc)
6
12
M5×15－5# hexagon socket
head screw (oxidized black)
2 30
M6×10 top pin bolt
(environmental protection color
zinc)
1
13 Water and oil shared sensor 1 31
ZT1P77MP high-pressure fuel
pipe bracket (short wheelbase)
1
14 9 x 2 EPDM O-rings 1 32
ZT1P77MP cylinder head cover
harness bracket
1
15
ZT1P77MP intake and
exhaust rocker shaft
2 33
ZT1P77MP cylinder head cover-
B
1
16
ZT1P77MP camshaft bearing
pressure plate
1 34
ZT1P77MP cylinder head cover
air balance tube
1
17 M6×16 top pin bolt 1 35
ZT1P77MP high-pressure fuel
pipe bracket (long wheelbase)
1
18
ZT1P72MN decompression
camshaft parts
1 36
ZT1P72MN cylinder head cover
rubber gasket
1
2. Maintenance information
General information
1. For the maintenance of the cylinder head cover and cylinder head, the engine must be removed from the frame. (For
the engine to be removed from the vehicle, refer to the ZT350T-D Maintenance Manual - 11. Vehicle Engine
Disassembly)
2. Disassemble the cylinder head cover and cylinder head. The engine oil does not need to be released. The rear wheel
and the main bracket can be used to stand the engine stably.
3. Before disassembly, the foreign matter and dust on the cylinder head cover and the joint surface of the cylinder head
need to be removed.
4. After removing the cylinder head cover and before removing the cylinder head, check the timing and turn the piston
to the top dead center.
5. When disassembling, the disassembled parts must be packed in a clean box and marked to prevent wrong assembly
during assembly.
6. When removing the cylinder head, first remove the 2 M8×1×117 hexagonal flange bolts on the side, and finally remove
the 4 M10×1.25 hexagonal flange nuts from the cylinder head.
7. When disassembling the cylinder head, it is forbidden to bump or scratch the joint surface of the cylinder head.
8. When disassembling and assembling the cylinder head, the cylinder head gasket cannot be reused to prevent blow-
by and air leakage.
Bolt torque value
Bolt model Assembly position quantity
Torque
( N•m )
Remark
M6×30 hex flange bolts Cylinder head cover bolts 6 1 2 ± 1 .5 -
M8×1×117 hex flange bolts cylinder head bolts 2 2 0 ±2 -
M10×1.25 hexagon flange nut cylinder head nut 4 5 5 ±5 -
M6×10 top pin bolt - 10 1 0 ± 1 -

Zontes ZT1P77MP Specifications

General

Brand	Zontes
Model	ZT1P77MP
Category	Engine
Language	English