Parts for Force 50 HP (1991) Crankshaft & Piston

Revise Search: All Models > 50 HP (1991) > 508F91B ( ) > Crankshaft & Piston

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View diagram and parts list below. Tap to zoom. Scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1	F474146	SEAL CRANKSHAFT, UPPER (1 required per assembly)
		26-F474146 - Seal [ More info ] $8.33 3 In Stock.
		26-828626 - Seal [ More info ] $24.83 $16.69 10+ In Stock.
#2	1864	SCREW, BEARING CAGE TO CYLINDER, 1/4 - 20 X 3/4 (4 required per assembly)
		1399-1864 - Jet (.43), NLA [ More info ] $9.99 10+ In Stock.
#3	F2A691144	CAGE, CRANKSHAFT BEARING W/CRANKSHAFT SEAL (1 required per assembly)
		F2A691144 - Cage Assembly [ More info ] Unavailable
		1100-818072A 1 - Cage Assembly, NLA [ More info ] $37.50 10+ In Stock.
#4	F284659-2	BEARING, CRANKSHAFT, UPPER MAIN (1 required per assembly)
		30-F284659-2 - Ball Bearing [ More info ] Unavailable
		30-803893T - Ball Bearing [ More info ] $105.13 1 In Stock.
#5	FA40655	RACE, CRANKSHAFT CENTER MAIN BEARING W/SNAP RING (1 required per assembly)
		31-FA40655 - Bearing, NLA [ More info ] $35.56 10+ In Stock.
#6	FK85228-1	CAGE, BEARING WITH ROLLERS (16 PER SET) (3 required per assembly)
		FK85228-1 - Cage/Roller Set [ More info ] Unavailable
		31-62596A 2 - Cage Roller, for One Rod Only [ More info ] $199.99 10+ In Stock.
#7	F85634-2	SCREW, CONNECTING ROD (4 required per assembly)
		10-F85634-2 - Connecting Rod Screw [ More info ] Unavailable
		10-91012 - Screw - Special - Priced Individually [ More info ] Unavailable
#8	FA691018-	CRANKSHAFT W/UPPER CRANKSHAFT BEARING (1 required per assembly)
#9	F90014	BEARING, CRANKSHAFT, LOWER MAIN (1 required per assembly)
		31-F90014 - Bearing - Crankshaft Lower Main [ More info ] $59.99 5 In Stock.
#10	F40146-1	SEAL, CRANKSHAFT LOWER (1 required per assembly)
		26-F40146-1 - Seal [ More info ] Unavailable
		26-819394 - Seal [ More info ] $18.92 $16.08 8 In Stock.
#11	F40410	SNAP RING (1 required per assembly)
		53-F40410 - Ring -snap, NLA [ More info ] $2.25 10+ In Stock.
#12	818052A 3	ROD, CONNECTIONG W/CAP AND SCREWS (2 required per assembly)
		600-818052A 3 - Connecting Rod Assembly [ More info ] Unavailable
		600-818052A 4 - Connecting Rod Assembly [ More info ] Unavailable
		600-818052A 6 - Connecting Rod [ More info ] Unavailable
		600-818052T 6 - Connecting Rod [ More info ] $49.99 10+ In Stock.
#13	F366215	SPACER, PISTON PIN (4 required per assembly)
		23-F366215 - Spacer - Piston Pin [ More info ] $6.66 10+ In Stock.
#14	F694015	PISTON (STANDARD) (2 required per assembly)
		700-F694015 - Piston-STD, NLA [ More info ] $95.20 3 In Stock.
#15	F663260-1	RING SET (STANDARD) (2 required per assembly)
		39-817869 - RING-PISTON-STD NLA [ More info ] Unavailable
#15	FSA663260	RING SET (.010 OVER) (2 required per assembly)
		FSA663260 - Ring Set-2-.010 [ More info ] $27.25 1 In Stock.
		39-817869A 2 - Rings - 2-.010, NLA [ More info ] $27.78 10+ In Stock.
#16	F694017	PIN, PISTON (2 required per assembly)
		41-F694017 - 41F6940171 [ More info ] $5.00 1 In Stock.
		41-F694017-1 - Piston Pin, NLA [ More info ] $6.00 10+ In Stock.
#17	F335217-1	BEARING, PISTON PIN (2 required per assembly)
		31-F335217-1 - Bearing - Piston Pin [ More info ] $6.99 10+ In Stock.
#18	85498 1	FLYWHEEL KEY (1 required per assembly)
		27-85498 1 - Gasket [ More info ] $10.70 $6.00 10+ In Stock.
#19	F1968	FLYWHEEL NUT, 3/4 - 16 (1 required per assembly)
		11-F1968 - Nut (3/4-16) [ More info ] $18.90 10+ In Stock.
#20	F694096	RETAINER, PISTON PIN (4 required per assembly)
		40-F694096 - Lock Ring, NLA [ More info ] $1.39 10+ In Stock.