Old Britts
Engine: Crankshaft, Connecting Rods, Pistons, Camshaft, Timing Gear
Group 1

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Exploded View

To order electronically: click on the Order button for the part you want to place in your shopping cart. Alternative Parts: If there is a Yes in the Alt column, click on the Yes to see the alternative parts.

We try to keep all information current, but regret that prices and availability are subject to change. Special Order Items (SO) are priced as of the last time we sold one.
Last updated 11/15/17

Ref No. Part No. Description Qty. Req. Qty. on Hand Status Price Alt
1
NM25369
Conrod Assy., Twins, (includes bolts & nuts), Each
2
2
-
450.00
No
2 NM23254 Bolt, Conrod
4
6
-
39.00
No
3 NM23253 Nut, 3/8 x 26, Lock, Conrod
4
20
-
4.62
No
4 064285 *+ Conrod Bearing, Std, Set (2 Top, 2 Bottom)
1
3
-
64.08
Yes
5 064254 Crankshaft, Standard 89mm Stroke
1
0
NA
0.00
Yes
6 063106 Crankshaft, Standard 89mm Stroke
1
0
NA
0.00
Yes
7 NM23262 Not Available 1 - NA 0 No
8 060542 Not Available 1 - NA 0 No
9 060731 FLYWHEEL (750 ONLY) 1 - NA 0 No
10 NMT2105 Pin, Dowel, Crankshaft
1
5
-
7.43
No
11 NM2032 Washer, Tab
2
12
-
0.71
Yes
12 064184 Crankshaft Stud, 5/16x24, 850cc (Non MK3)
4
8
-
2.25
Yes
13 064160 Crankshaft Nut, 5/16x24, 850cc (Non MK3)
8
16
-
6.25
Yes
14 064185 Crankshaft Stud, 5/16x24, 850cc (Non MK3)
2
8
-
6.55
Yes
15 064189 Crankshaft Stud Nut, 5/16 x 24, 850cc (Non MK3)
4
8
-
7.75
Yes
16 NME4591 Screw, 1/4 x 26 Setscrew
1
3
-
1.77
No
17 NMT2035 Gear, Timing Pinion, 24T, Pre-MK3
1
2
-
81.06
No
18 000572 Key, Timing Pinion and Camshaft
1
6
-
2.79
No
19 NMT2007 Washer, Back Plate
1
4
-
9.65
No
20 NM24732 Gear, Oilpump Worm, 6 Start
1
3
-
88.13
No
21 061084 Camshaft, 1970 on Commando
1
1
-
345.81
No
22 061086 Washer, Thrust, Camshaft, 1971 On
1
6
-
7.65
No
23 061077 Gear/Sprocket, Idler, With Bush, Pre-MK3
1
2
-
117.00
Yes
24 061079 NORTON Bush Intermediate Gear, Ream to .5627-.5620
1
8
-
15.27
No
25 061078 Shaft, Intermediate Gear
1
2
-
53.73
No
26 NM17823 Circlip, Intermediate Shaft
1
10
-
1.55
No
27 061080 Sprocket, Camshaft, 18T
1
2
-
86.00
No
28 000572 Key, Timing Pinion and Camshaft
1
6
-
2.79
No
29 NM20732 Nut, 3/4 x 20, Cam
1
4
-
9.81
No
30 NM17806 Chain, Camshaft, .375, 38 Pitches, Single
1
4
-
14.67
No
31 061094 Slipper, Camchain, Rubber Face
1
3
-
23.02
No
32 NMT2218 Plate, Camchain Adjuster, Thin
1
4
-
4.63
No
33 NMT2218A Plate, Camchain Adjuster, Thick
1
4
-
2.59
Yes
34 062665 Stud, Chain Tensioner, 5/16 x 18 x 24
2
8
-
1.27
No
35 NM18202 Washer, 5/16, Internal Toothed Lock, Stainless
2
146
-
0.22
Yes
36 062692 Nut, 5/16 x 24 UNF
2
16
-
2.26
Yes
37 063348 * 750 Piston Set, Standard, 9 TO 1, Italy
1
3
-
395.00
Yes
38 063349 * 750 Piston Set, Standard, 9 TO 1, Italy
1
3
-
395.00
Yes
39 063838 * 850 Piston Set, Standard, 8.5 TO 1, GPM
2
2
-
250.00
No
40 R25830 *+ Piston Ring Pack, 750 STD
2
2
-
110.00
Yes
41 R26640K *+ Piston Ring Pack, 850 STD
2
1
-
106.00
Yes
42 063842 Wrist Pin, Piston, 850
2
2
-
12.75
No
43 060955 Wrist Pin, Piston, 750, GPM
2
2
-
12.13
No
44 NM23276 Circlip, Wristpin
2
18
-
0.25
Yes
45 NMT2008 Washer, Cupped, Crank Bearing
1
4
-
7.91
No
NOT ILL 067120 Crank Bolt Set, 750cc
1
0
OO
64.00
Yes
NOT ILL 067094 Crank Bolt Set, 850cc, (Non MK3)
1
3
-
95.00
Yes

Replacement Parts

NOTE: * For oversizes/undersizes, see Alternative
NOTE: + Available only in sets

STATUS Codes: OO - On Order, SO - Special Order, OP - Out of Print, D - Dropped, BO - Back Ordered, NA - Not Available, U-Used. More Status Information


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Norton Commando, 1973/1974 850cc Listing


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