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1975 Norton Commando Mk3 Cylinder, Cylinder Head
1975 Norton Commando 850 Mk3 Engine: Cylinder, Cylinder Head
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Plate #Part NamePart #Qty FittedDescription
1Cylinder Barrel065074A1
2Cylinder Head Gasket0650511Flame ring, eyeletted.
3Cylinder Head063830132mm ports, 8.5:1 compression.
4Exhaust Rocker Cover Stud0675824Front, for alloy heads only.
5Rear Rocker Cover Stud0676931For alloy heads only.
6Inlet Rocker Cover Dowel0005791
7Exhaust Rocker Inspection Cover0676942Oval.
8Exhaust Rocker Cover Gasket0675542Oval.
9Exhaust Rocker Cover Nut Set, SS0675521Front, stainless steel, set of 4.
10Inlet Rocker Inspection Cover0676951Rectangular.
11Inlet Rocker Cover Gasket0675511Rectangular.
12Rear Rocker Cover Nut Seal Washer0675491
13Inlet Rocker Cover Nut0675621
-Rocker Cover Set067694/51Includes 2 exhaust and 1 inlet inspection covers.
14Cylinder Through Barrel Bolt0630854Allen, high tensile.
15Cylinder Head Washer06414743/8", fits base.
16Cylinder Barrel to Head Stud06756125/16" CEI.
17Cylinder Head to Barrel Stud06788533/8" BSF and 3/8" CEI
18Cylinder Head Nut0631922Under exhaust, reduced hex for access.
19Cylinder Head Nut06752925/16" CEI, to fit 067561 stud.
20Cyclinder Head to Barrel Nut06787013/8"CEI x 1/2" long.
21Cylinder Head Nut Washer60232125/16" plain.
22Outer Head Bolt06040143/8", by spark plug.
23Centre Head Bolt06791813/8" CEI. The short one in the middle.
24Cylinder Head Bolt Washer0162135Thick, 3/8", large diameter.
25Cylinder Base Gasket0638121
-Compression Plate066591ARSteel, 0.75mm thick.