Old Britts
Bottom End Rebuild Estimate, 850 MK3, ESTIMATE

This assembly, kit or service (part # 39-300403) consists of the following items

Last updated 07/14/21

Ref No. Part No. Description Qty. Inc. Qty. on Hand Status Unit Price Extended Price
LABOR ESTIMATE
1 EW Dismantle timing gears, oil pump, etc. and establish base line end play for cam and crank.
1
-33
SO
80.00
80.00
2 EW Split cases, clean parts, remove main bearings.
2.5
-33
SO
80.00
200.00
3 EW Bead blast crank cases with walnut shells.
1
-33
SO
80.00
80.00
4 EW Remove conrods, disassemble crank and clean.
1
-33
SO
80.00
80.00
5 EW Reassemble crank and polish journals.
1.5
-33
SO
80.00
120.00
6 EW Replace old cam bushings, line ream new bushings and dry fit cam to verify proper end play and free rotation.
3
-33
SO
80.00
240.00
7 EW Dry fit crank and set proper end play.
2
-33
SO
80.00
160.00
8 EW Clean crank cases again and paint.
1.5
-33
SO
80.00
120.00
9 EW Polish conrods and bolt up to crank.
1
-33
SO
80.00
80.00
10 EW Final assembling of crank case with cam and crank.
1
-33
SO
80.00
80.00
11 EW Time cam and assemble oil pump, etc.
2
-33
SO
80.00
160.00
PARTS NORMALLY REQUIRED
12 06-4285 Conrod Bearing, Std, Set (2 Top, 2 Bottom)
1
0
OO
59.95
59.95
13 06-4896 Conrod Assy., Twins, (includes bolts & nuts), Each
2
0
SO
383.85
767.70
14 06-6486 Bolt, Conrod (Old List 22.25)
4
0
OO
5.54
22.16
15 06-7827 Nut, 3/8 x 26, Lock, Conrod
4
0
OO
3.95
15.80
16 06-1084 Camshaft, 1970 on Commando With Lube Pack (Old List 350.00)
1
0
OO
162.34
162.34
17 06-5428 Bush, Cam, MK3, R.H. (Old List 14.25)
1
3
-
4.10
4.10
18 06-5425 Bush, Cam, 850 & MK3, L.H. (Old List 10.95)
1
0
OO
2.07
2.07
19 00-0572 Key, Timing Pinion and Camshaft (Old List 3.05)
1
0
OO
0.90
0.90
20 06-5675 Key, Timing Pinion and Camshaft (Old List 3.05)
1
0
OO
0.90
0.90
21 06-1086 Washer, Thrust, Camshaft, 1971 On (Old List 5.95)
1
0
OO
1.16
1.16
22 06-4118 Superblend Roller Bearing, Crankshaft, C3
2
0
OO
54.95
109.90
23 06-7095 Crank Bolt Set MKIII (Old List 93.00)
1
0
OO
24.49
24.49
24 06-4647 Slipper, Camchain, Rubber Face
1
0
OO
26.40
26.40
25 06-7689 Chain, Camshaft, .375, 38 Pitches, Single (Old List 24.95)
1
-1
OO
6.85
6.85
26 06-2447 Gasket, Oil Pump
1
0
OO
0.30
0.30
27 06-1092 Gasket, Timing Cover
1
-1
OO
2.90
2.90
28 06-7510 Washer, Sealing, Oil Pump
1
0
OO
1.30
1.30
29 04-8023 Oilseal, Crank, Right Side
1
0
OO
1.80
1.80
30 06-7567 Oilseal, Main Bearing
1
0
OO
1.80
1.80
31 06-5245 Circlip, Oil Seal, Main Bearing (Old List 0.95)
1
2
-
0.28
0.28
32 03-4053 Oilseal, Points
1
0
OO
1.75
1.75
33 06-5200/A Oilseal, Points
1
0
OO
1.75
1.75
34 06-3056 Gasket, Tachdrive Housing
1
0
OO
0.40
0.40
35 06-7646 Washer, Shim, Pressure Relief Valve
1
0
OO
0.60
0.60
36 06-7541 Washer, Relief Valve, Nut
1
0
OO
0.55
0.55
37 06-7542 Washer, Relief Valve, Union
1
-1
OO
0.60
0.60
NOTE Labor hours are a close estimate. Parts list is worst case and may vary depending on usability of old parts.
Total Extended Price 2618.75

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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