Andover Norton International Ltd 
3, Old Farm Buildings
Standen Manor Estate
Hungerford, Berks. RG17 0RB
England
Tel.(0044)(0)1488-686816
Fax (0044)(0)1488-686826
e-mail
office@andover-norton.co.uk
The exclusive Source of all  Genuine Norton Commando and Norton Dominator 
Factory Spare Parts

 
Index
About us
Accessories
Books
Directions
New Items Just In
News
Norton Parts Distributors
Services
Service Informations
Technical Publications
The Team
Tools
Webshop & Price List
Commando Models
The Norton Girls
Links
Service Information- Valve gear

Valve Springs

06-7174

Valve spring set, 500/600 Twin

=4x NM19302 + 4x NM19303

06-7070

Valve spring set, 650/750/850 Twin

=4x 06-7822 + 4x 06-7823

NM21194/5 Valve spring set, Navigator =4x NM21194 + 4x NM21195

Valve Spring Cups/Cotters

06-7507

Cotters (pair), all Twins

06-7506

Top Cup, valve spring, all Twins

06-7545

Bottom Cup, valve spring, all Twins up to 750cc

06-1399

Bottom Cup, valve spring, 850cc Twins

Valves
(L= overall length from top of stem to bottom of tulip, D= diameter)

06-7942

Valve, inlet, all ally head Twins pre-1960, L102,9mm, D35,7mm

06-6974

Valve, inlet, all Twins post-1960 up to 650SS, L99.9mm, D35.7mm

06-7884

Valve, inlet, Atlas, L100.2mm, D38.1mm

06-4034

Valve, inlet, Commando 750&850, L102.3mm, D37.8mm

06-7570

Valve, exhaust, all Twins pre-Commando, L99.5mm, D33.3mm, also all iron head twins, inlet

06-5115

Valve, exhaust, Commando 750&850, L101.9mm, D33.0mm

Valve Guides
(all cast iron)

06-2726

Oil seal, for inlet valve guide, all Twins

06-2725

Valve guide, inlet, all twins up to 750cc

06-2760

Ditto, +.002" oversize

06-2767

Ditto, +.005" oversize

06-2768

Ditto, +.010" oversize

06-2769

Ditto, +.015" oversize

06-3527

Valve guide, exhaust, all twins up to 750cc

06-3528

Ditto, +.005" oversize

06-3529

Ditto, +.010" oversize

06-3530

Ditto, +.015" oversize

06-5024

Valve guide, exhaust, all 850 Twins

06-5025

Ditto, +.002" oversize

06-5026

Ditto, +.015" oversize

06-5027

Valve guide, inlet, all 850 Twins

06-5028

Ditto, +.002" oversize

06-5029

Ditto, +.015" oversize

01-1111 Circlip for 850 Valve Guide

Pushrods
(pushrod length is overall length)

06-7031 Pushrod, inlet, 500 Twin, 7.9"
06-7032 Pushrod, exhaust, 500 Twin, 7.0"
06-7501 Pushrod, inlet, 600&650 Twin, 8.25"
06-7502 Pushrod, exhaust, 600&650 Twin, 7.40"
06-7940 Pushrod, inlet, 750/850 Twin, 8.15"
06-7941 Pushrod, exhaust, 750/850 Twin, 7.30"

Cam Followers

06-7820

Tappets (pair) all Twins (2 pairs needed for one engine)

06-7820+020

Tappets (pair), all Twins, +.020" oversize for worn barrels

Camshafts
(for more infomation on camshafts and bushes see Service Information "Camshafts and Bushes")

06-7817

Camshaft, Dominator 650 & 750 and very early Commando with points at rear of engine

06-7817/2S

Camshaft, Dominator 650/750, 2S-Profile

06-1084

Camshaft, STD, Commando with breather

06-2608

Camshaft, STD, Commando w/out breather (use 06-1084)

06-3536

Camshaft, Commando, 2S-Profile (with breather so fits early engines)

06-4858

Camshaft, Commando, 4S-Profile (with breather so fits early engines)