Disassembly of the CLG2050H (small) cylinder head assembly

June 11, 2026
Disassembly of the CLG2050H (small) cylinder head assembly
Item Material NO. Description Part No. Qty. Reamrks
Cylinder head assy 4RTF010000 1
Cylinder head with valve assembly 4R0101-HJ 1
Rocker shaft assembly 4R010200 1
Valve rotocap assembly R01300Y 4
Rocker arm assembly R010250 8
1 SP113829 Screw plug Z 3/8″ LR010209 2
2 SP113800 Rocker shaft 4R010201 1
3 Bolt M10*85 GB 22-76·8·8-Zn·D 4
4 Washer 10 GB 848-76-Zn·D 8
5 Nut M10 GB 54-76-Zn·D 8
6 SP113859 Adjusting screw,rocker arm R010208 8
7 Nut M10 GB 923-76-Zn·D 4
8 SP113848 Rubber sealing ring R010017 4
9 Nut M10 GB 52-76-Zn·D 4
10 SP113846 Stud,rocker shaft seat R010016 4
11 Screw M6*16 GB 75-76 1
12 Nut M6 GB 52-76-Zn·D 1
13 SP113857 Seat,rocker shaft(oil feed) R010205 1
14 SP113854 Spring,rocker shaft R010202 3
15 Seat,rocker shaft R010206 3
16 SP113856 Washer,rocker shaft R010204 2
17 SP113855 Spring,rocker shaft end R010203 2
18 Retaining ring 25 GB 894-76 2
19 SP113862 Bush,rocker arm R010252A 8
20 SP104158 Valve cap R010006 8
21 SP100553 Valve collet R010005 16
22 SP113842 Retainer,valve spring R010004Y 8
23 SP113851 Oil hood,valve R010019Y 4
24 SP113864 Upper seat,valve rotocap R010301Y 4
25 SP113865 Thrust washer,valve rotocap spring R010302 4
26 SP113867 Spring,valve rotocap R010304 4
27 SP113866 Lower seat,valve rotocap R010303 4
28 SP113845 Spacer,inlet valve spring R010015Y 4
29 SP115443 Rocker arm R010251 8
30 SP113828 Valve spring R010003Y 8
31 Bolt,cylinder head R010007A-1 18 Including gasket
32 SP113844 Washer,cylinder head bolt R010012 18 Not For Sale
33 Nut M8 GB 52-76-Zn·D 4
34 Spherical washer 8 GB 849-76-Zn·D 4
35 SP113850 Stud,clamp plate R010018 4
36 SP113843 Clamp plate,injector R010008 4
37 SP113888 Cover,cap,side water outlet RT010021 1
38 SP113819 Gasket,thermostat 6RTⅢ530004 1
39 Screw plug 1/2″ YTQ 021.1-87 1
40 Bolt M10*20 GB 21-76-Zn·D 8
41 Spring washer 10 GB 93-76 8
42 Cylinder head mechanical assembly 4R010100Y 1
42.1 SP109107 Cylinder head 4R010101 1
42.2 SP113853 Bowl plug 10 R010107 4
42.3 SP109110 Valve guide R010104 8
42.4 Bowl plug 24 R010108 4
42.5 SP113852 Bowl plug 42 R010105 1
42.6 SP104159 Seat ring,inlet valve R010102Y 4
42.7 SP104160 Seat ring,exhaust valve R010103 4
42.8 SP110906 Bowl plug 35 R010106 3
43 Gasket,thermostat LR4110.010011A 1 For model 108,105
43.1 Gasket,thermostat RW4110.010011 1 For model 110
44 SP109109 Inlet valve R010001Y 1
45 SP107092 Exhaust valve R010002 1
46 SP111761 Gasket water return adaptor R010013 1
47 Cover,water return hole 6RTⅢ010026 1
48 Hoisting ear R010009 2
49 Injector Sleeve LR010109 4
50 Injector stud bolt LR010111 4
51 Water Outlet Gasket(Front) R010024 1
52 Water Outlet Cover(Front) 4R010023FE 1