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1975 Norton Commando Mk3 Primary Chaincases, Tensioner
1975 Norton Commando 850 Mk3 Inner & Outer Chaincase, Hydraulic Tensioner
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Plate #Part NamePart #Qty FittedDescription
1Inner Primary Chaincase0660231Bare.
2Primary Chaincase Dowel0679521
3Nut06035511/4" UNC plain.
4Inner Chaincase Sealing Plug0647271Metal.
5Inner Chaincase Oil Seal0659561Behind clutch, double lipped.
6Inner Chaincase to Crankcase Gasket0646891Engine to primary chaincase.
7Outer Primary Chaincase0646911With timing plate.
8Crossover Shaft Bush0651851In outer primary chaincase.
9Gear Lever Shaft Bush0661891In outer primary chaincase.
10Gear Lever Oil Seal0651811On outer primary chaincase.
11Chaincase Timing Degree Plate0646941
12Self Tapping Screw0607872
13Chaincase Drain Plug14010111/4" UNF x 1/2" long.
14Drain Plug Sealing Washer06406111/4" fibre.
15Primary Chaincase Inspection Cap0603881Large.
16Chaincase Inspection Cap O-Ring0625811Large.
17Timing Inspection Cap0606591Small.
18Timing Inspection Cap O-Ring0625801Small.
19Chaincase Oil Level Plug06258213/8" UNF, slotted.
20Oil Level Plug O-Ring0625831
21Chaincase Outer Gasket0655341Standard 0.5mm thick.
22Chaincase Outer Cover Screw065533101/4" Whitworth x 1-1/4" long.
23Chaincase Steady0662571Chaincase centre stud.
24Washer60232213/8" plain.
25Locknut14040313/8" UNF Nyloc.
26Chaincase Centre Stud Nut14130313/8" UNF Nyloc.
27Primary Chain Tensioner Body0647181
28Primary Chain Tensioner Plunger Assembly0653412Plunger assembly.
29Chain Tensioner Cover Plate0660011
30Washer60241815/16" spring washer.
31Nut14030225/16" UNF.
32Chain Tensioner Body Stud0647172
33Stud06318911/4" Whitworth x 1/2" long.
34Washer60241711/4" spring washer.
35Nut06035511/4" UNC.
-Chain Tensioner Body Gasket0665701
-Allen Screw Set SS065533KARComplete set, UNC/BSF, stainless steel.