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1973-74 Norton Commando Valve Gear
1973-74 Norton Commando 750 & 850 Valve Gear
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Plate #Part NamePart #Qty FittedDescription
1Exhaust Valve Guide, 850, Standard (Hepolite)0650242
1Exhaust Valve Guide, 850, +0.00206502520.002 oversize, cast iron.
1Exhaust Valve Guide, 850, +0.01506502620.015 oversize, cast iron.
1AExhaust Valve Guide, 750, Standard0635272Standard size (.501), cast iron.
1AExhaust Valve Guide, 750, +0.00506352820.005 oversize, cast iron.
1AExhaust Valve Guide, 750, +0.01006352920.010 oversize, cast iron.
1AExhaust Valve Guide, 750, +0.01506353020.015 oversize, cast iron.
2Inlet Valve Guide, 850, Standard0650272Standard size, cast iron.
2Inlet Valve Guide, 850, +0.00206502820.002 oversize, cast iron.
2Inlet Valve Guide, 850, +0.01506502920.015 oversize, cast iron.
2AInlet Valve Guide, 750, Standard0627252To fit seal, standard size, cast iron.
2AInlet Valve Guide, 750, +0.0050627672To fit seal, 0.005 oversize, cast iron.
2AInlet Valve Guide, 750, +0.0100627682To fit seal, 0.010 oversize, cast iron.
2AInlet Valve Guide, 750, +0.0150627692To fit seal, 0.015 oversize, cast iron.
3Valve Guide Circlip, 8500111114To fit 850 RH6S head.
4Exhaust Valve, Standard (Hepolite)0651152
5Inlet Valve, Standard (Hepolite)0640342
-Valves & Guides Set, 750064034A1Iincludes 2 each inlet and exhaust valves, valve guides and seals.
-Valves & Guides Kit, 85006403481Includes inlet and exhaust valves, valve guides, seals and circlips.
6Valve Spring Seat0613994
7Valve Spring Heat Insulating Washer0678454Under cup, 1.5 mm thick. 2 required on 850.
8Inlet Valve Guide Oil Seal06272625/16" stem valve.
9/10Valve Spring Set0670701Includes 4 inner and outer valve springs.
11Valve Spring Collar, Top0675064Steel.
12Valve Collets0675074
13Inlet Pushrod0679402Long, approx 8.15".
14Exhaust Pushrod0679412Short, approx 7.3".
15/16Cam Followers0678202Matched pair.
17Cam Follower Locating Plate0630922Short.
18Cam Follower Locating Plate Screw0675604
19Rocker, LH Inlet0624731Without adjuster and nut.
20Rocker, RH Inlet0624711Without adjuster and nut.
21Rocker, LH Exhaust0624741Without adjuster and nut.
22Rocker, RH Exhaust0624721Without adjuster and nut.
23Rocker Adjuster0692024Socket type, use 1/8" Allen key.
24Rocker Adjuster Nut0675084
25Rocker Spindle0679244Plain type, high pressure system.
26Rocker Thrust Washer0676974Fits outside rocker.
27Rocker Spindle Washer0676984Fits inside rocker, Thackery.
28Rocker Spindle Plate Gasket0675804Outer.
29Rocker Spindle Plate Gasket0675504Inner.
30Rocker Spindle Lock Plate0675784Inner, with tabs, thicker and stronger.
31Rocker Spindle Plate0675794Outer, plain, thicker.
32Rocker Spindle Retaining Bolt06312481/4" Whitworth x 5/8" long.
33Rocker Spindle Cover Washer06312981/4" copper.
-Rockers and Shafts Kit0624714K1Includes adjuster ball ends and shims.