Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 2 Stroke Carb / 80, 800 4 CYL / [9256131 THRU 9393855] - Belgium - Cat.# 90-90672 / CRANKSHAFT, PISTON AND CONNECTING ROD

CRANKSHAFT, PISTON AND CONNECTING ROD

Parts (36)

#Part NumberDescriptionQtyStatus
- 73645A32 GASKET SET 1 superseded
1 6647A2 CRANKSHAFT ASSEMBLY 1 superseded
10 56007A1   REED SET MATCHED - MAIN BEARING 2 disc.
11 56008   STOP Reed MAIN BEARING REED VALVES 8 disc.
12 62204   SCREW REED STOP MOUNTING 20 disc.
13 53153   NUT REED STOP MOUNTING SCREW 20 disc.
14 5397A4 BEARING ASSEMBLY Center Main 1 disc.
15 20032   PIN Dowel CENTER MAIN BEARING 2 disc.
16 71422   BEARING Needle 56 superseded
17 26113   RACE OUTER (PAIR) 1 superseded
18 26933     RING Snap OUTER RACE CLAMPING 1 disc.
19 22968   SCREW (.250-28 x 1.25) CENTER MAIN BEARING CLAMPING 2 disc.
2 62567   BEARING Ball UPPER 1 superseded
20 20184   NUT (1/4-28X7/32) MAIN BEARING CLAMPING SCREW 2 superseded
21 47246   PIN Dowel STEPPED 1 disc.
22 7435A3 PISTON ASSEMBLY 4 superseded
22 7436A2 PISTON ASSEMBLY (.015 O.S.) AR superseded
22 7455A3 PISTON ASSEMBLY (.030 O.S.) AR superseded
23 52035   RING Lock PISTON PIN 8 superseded
24 78816A12   RING (STANDARD) 1
24 78811A12   RING SET Piston - .015 Oversize 1 disc.
24 88392A12   RING SET Piston - .030 Oversize 1 disc.
25 8101A3 CONNECTING ROD ASSEMBLY 4 disc.
26 91012   SCREW (.250-28 Special) CONNECTING ROD W/O NUT 8
26 54803   SCREW (.250-28 x 1.500) CONNECTING ROD WITH NUT 8 disc.
27 49091   NUT CONNECTING ROD SCREW WITH NUT 8 disc.
28 62596A1   BEARING ASSEMBLY CRANKPIN 4 disc.
29 47270   BEARING PISTON PIN 116 superseded
3 63742   BEARING Ball LOWER 1 superseded
30 47247   WASHER NEEDLE LOCATING 8 superseded
4 54196A6 CARRIER ASSEMBLY 1
5 65800   PACKING CARRIER 1
6 5266A5 BEARING ASSEMBLY Main (VALVE TYPE) 2 superseded
7 20032   PIN Dowel MAIN BEARING 4 disc.
8 45775   SCREW (#12-28 x .560) MAIN BEARING CLAMPING 4 disc.
9 45774   NUT MAIN BEARING CLAMPING SCREW 4 disc.