Cylinder Head spares/parts for 1968-71 250 Triumph singles models
Key | Part No. | Description | Per | Models |
NI | 97-2635 | Fibre washer | 2 | 1971 |
NI | PACK-ADV-002 | Valve & guide pack | A | All |
NI | PACK-INTER-002 | Top end overhaul pack | A | All |
1 | 71-2284 | Crankshaft | 1 | 1971 |
1 | 70-9547 | Crankshaft | 1 | 1969 |
1 | 70-9848 | Crankshaft | 1 | 1970 |
2 | 70-8028 | Crankshaft assembly | 1 | 1968 |
2 | 70-8028 | Crankshaft assembly | Ref only | 1969 |
2 | 70-9848 | Crankshaft | Ref only | 1970 |
2 | 71-2285 | Crankshaft | Ref only | 1971 |
3 | 70-8031 | Flywheel driveside | 1 | 1968 |
3 | 70-9906 | Flywheel LH | Ref only | 1970 |
3 | 70-9519 | Flywheel driveside | Ref only | 1969 |
3 | 71-2287 | Flywheel LH | Ref only | 1971 |
4 | 70-8034 | Flywheel timing side | Ref only | 1969 |
4 | 70-8034 | Flywheel timing side | 1 | 1968 |
4 | 70-9907 | Flywheel right hand | Ref only | 1970 |
4 | 71-2288 | Flywheel right hand | Ref only | 1971 |
5 | 70-8036 | Plug 5/8″ 18 tpi | 1 | 1968 – 71 |
6 | 70-8032 | Flywheel bolt | 4 | 1968 – 71 |
7 | 70-8033 | Flywheel bolt | 4 | 1968 – 71 |
8 | 70-8037 | Thrust washer | 8 | 1968 – 70 |
8 | 71-1003 | Plain washer 3/8 x 5/8 x 3/64 | 8 | 1971 |
9 | 70-8304 | Shim (0.003″) | A.R. | 1971 |
9 | 70-8305 | Shim (0.005″) | A.R. | 1971 |
9 | 70-8038 | Shim 1″ x 1-3/8 x 0.010 | A.R. | 1968 – 71 |
9 | 70-8039 | Shim, crank | A.R. | 1968 – 71 |
10 | 70-1580 | Key | 1 | 1968 – 71 |
11 | 70-8144 | Key | 1 | 1968 – 71 |
12 | 70-9911 | Con Rod | 1 | 1971 |
12 | 70-8836 | Con rod | 1 | 1969 – 70 |
13 | 70-3705 | Big end bolt, CEI | 2 | 1968 – 70 |
13 | 70-9914 | Big end bolt, UNF | 2 | 1971 |
14 | 70-2922 | Big end nut CEI | 2 | 1968 – 70 |
14 | 21-2016 | Big end locknut, UNF | 2 | 1971 |
15 | 60-0911 | Spark plug N3 | 1 | 1968 – 71 |
16 | 70-6068 | Big end shells | 1 (Pair) | 1968 – 71 |
17 | 70-7998 | Piston complete | 1 | 1968 – 70 |
17 | 71-1801 | Piston | 1 | 1971 |
18 | 70-8276 | Plain compression ring | 1 | 1969 – 70 |
18 | 70-6838 | Taper compression ring | 1 | 1971 |
18 | 70-8044 | Cam bush, inner | 1 | 1968 |
19 | 70-6838 | Taper compression ring | 1 | 1969 – 70 |
19 | 70-6838 | Taper compression ring | 2 | 1971 |
19 | 70-8047 | Taper compression ring | 1 | 1968 |
20 | 70-8050 | Oil control ring | 1 | 1968 |
20 | 70-6839 | Oil control ring | 1 | 1969 – 71 |
21 | WE203E | Gudgeon pin | 1 | 1968 – 70 |
21 | 70-6861 | Gudgeon pin | 1 | 1971 |
22 | 70-6869 | Piston circlip | 2 | 1971 |
22 | WE479 | Piston circlip Hepolite | 2 | 1968 – 70 |
23 | 70-1895 | Cylinder barrell | 1 | 1968 |
23 | 70-9263 | Cylinder Barrel | 1 | 1969 – 70 |
24 | 70-7728 | Base gasket | 1 | 1968 – 70 |
24 | 71-2233 | Base gasket | 1 | 1971 |
25 | 70-8053 | Exhaust push rod | 1 | 1968 – 71 |
25 | 70-8055 | In push rod | 1 | 1968 – 71 |
26 | 70-7739 | Tappet, | 2 | 1968 – 70 |
26 | 71-2513 | Tappet | 2 | 1971 |
27 | 70-8008 | Stud, crankcase | 2 | 1968 – 71 |
28 | 70-8196 | Stud nut | 2 | 1968 – 71 |
29 | 70-8215 | Washer | 2 | 1968 – 71 |
30 | 70-8197 | Cylinder Head | 1 | 1968 – 70 |
30 | 71-2238 | Cylinder head | 1 | 1971 |
31 | 70-8228 | Rockerbox stud | 2 | 1968 – 70 |
31 | 21-2092 | Rocker box stud | 2 | 1971 |
32 | 70-8229 | Stud, Stud 5/16 x BSF/CEI x 2-15/16 | 2 | 1968 – 70 |
32 | 14-1627 | Cylinder Head Stud | 2 | 1971 |
33 | 70-7996 | Stud | 3 | 1969 – 70 |
33 | 14-1629 | Stud, 5/16 UNC/F x 3-1/2 | 3 | 1971 |
33 | 70-8079 | Stud – long (3 1/16 in O.A.) | 3 | 1968 |
34 | 70-8010 | Chaincase dowell | 2 | 1968 – 70 |
34 | 71-1989 | Dowel | 2 | 1971 |
35 | 70-8080 | Rocker box stud | 2 | 1969 – 70 |
35 | 14-1627 | Cylinder Head Stud | 2 | 1971 |
36 | 70-8227 | Stud 5/16 CEI/BSF x 1-3/8 | 2 | 1968 – 70 |
36 | 14-1619 | Crankcase stud 5/16 UNC/F x 1-1/4 | 2 | 1971 |
37 | 70-8225 | Valve guide | 1 | 1968 – 69 |
37 | 71-1227 | Service size valve guide (.002″) | 1 | 1970 – 71 |
37 | 71-1228 | Service size valve guide (.015″) | 1 | 1970 – 71 |
37 | 71-2231 | Inlet valve guide | 1 | 1971 |
38 | 70-8226 | Valve guide | 1 | 1968 – 70 |
38 | 71-2226 | Exhaust valve guide | 1 | 1971 |
38 | 71-1229 | Service size valve guide (.002″) | 1 | 1970 – 71 |
38 | 71-1230 | Service size valve guide (.015″) | 1 | 1970 – 71 |
39 | 70-8081 | Head gasket | 1 | 1968 – 71 |
40 | 70-8137 | Carburettor stud nut | 2 | 1968 – 71 |
41 | 70-8136 | Carburettor flange washer | 1 | 1968 – 70 |
41 | 71-1416 | Carburetter Gasket | 1 | 1971 |
42 | 70-7820 | Carburetter insulator 1-3/16 | 1 | 1968 – 71 |
43 | 70-7911 | Rocker box | 1 | 1968 – 70 |
43 | 71-2197 | Rocker box | 1 | 1971 |
44 | 70-7858 | Rocker box gasket | 1 | 1968 – 70 |
44 | 71-2198 | Rocker box gasket | 1 | 1971 |
45 | 70-7787 | Rocker spindle | 2 | 1968 – 71 |
46 | 70-7790 | Rocker inlet | 1 | 1968 – 71 |
47 | 70-7791 | Exhaust rocker | 1 | 1969 – 70 |
48 | 70-1483 | Rocker ball pin | 2 | 1968 – 71 |
49 | 70-1575 | Rocker thrust washer | 2 | 1968 – 71 |
50 | 70-1330 | Rocker spindle washer | 2 | 1968 – 71 |
51 | 70-8952 | Tappet cover | 1 | 1968 – 71 |
52 | 70-8085 | Gasket | 1 | 1968 – 70 |
52 | 71-1425 | Rocker spindle inspection gasket | 1 | 1971 |
53 | 70-8086 | Rocker inspection cover screw | 2 | 1968 – 71 |
54 | 70-8116 | Valve spring top collar | 7 | 1968 |
54 | 70-8116 | Valve spring top collar | 2 | 1969 |
54 | 71-1165 | Top collar | 2 | 1970 – 71 |
55 | 70-8117 | Collet | 4 Halves | 1968 – 69 |
55 | 71-1166 | Collet | 4 Halves | 1970 – 71 |
56 | 70-8112 | Inlet valve | 1 | 1968 – 71 |
57 | 70-7777 | Exhaust valve | 1 | 1968 – 71 |
58 | 60-1002 | Plug cover | 1 | 1968 – 71 |
59 | 14-0403 | 3/8 UNF half lock nut | 2 | 1968 – 71 |
60 | 70-8084 | Washer | 2 | 1968 |
60 | S25-2 Triumph | Plain washer | 2 | 1969 – 71 |
61 | 70-7958 | Corrugated ring | A.R. | 1968 – 69 |
61 | 70-7959 | Corrugated ring | A.R. | 1968 – 69 |
61 | 70-7960 | Corrugated ring | A.R. | 1968 – 69 |
62 | 70-1564 | Rocker box cap | 2 | 1968 – 71 |
63 | 70-1577 | Cap washer | 2 | 1968 – 71 |
64 | 70-8087 | Nut | 2 | 1968 – 70 |
64 | 14-0302 | 3/8 UNF nut | 2 | 1971 |
65 | 70-8088 | Washer | 2 | 1968 – 70 |
66 | 70-8089 | Nut, 1/4 CEI reduced & thin, see SP1/4 for locking version | 7 | 1968 – 70 |
67 | 70-8072 | Washer | 7 | 1968 – 70 |
68 | 70-8082 | Oil pipe adapter 1/8 BSP | 1 | 1968 – 71 |
69 | 70-8083 | Fibre washer | 1 | 1968 – 71 |
70 | 70-8106 | Rocker oil feed pipe | 1 | 1968 – 71 |
71 | 70-8107 | Spigot | 1 | 1968 – 71 |
72 | 70-8110 | 3/16 union nut | 1 | 1968 – 71 |
73 | 70-8113 | Bottom cup | 2 | 1968 – 70 |
73 | 71-2366 | Valve spring cup | 2 | 1971 |
74 | 70-8114 | Outer valve spring | 2 | 1968 – 70 |
74 | 71-2223 | Outer valve spring | 2 | 1971 |
75 | 70-8115 | Inner valve spring | 2 | 1968 – 71 |
76 | 70-8111 | Hose clip | 1 | 1968 – 70 – 71 |
77 | 70-8105 | Oil feed pipe – buy individual components | 1 | 1968 – 70 – 71 |
78 | 70-4003 | Small end bush | 1 | 1968 |
79 | 70-8138 | Washer | 1 | 1968 |
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