Parts for Force 90 HP (1991) Power Head

Revise Search: All Models > 90 HP (1991) > 908A91C ( ) > Power Head

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View diagram and parts list below.
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	F2051	SCREW, 1/4 - 20 X 2-1/4 (21 required per assembly)
		10-F2051 - Screw, NLA [ More info ] $1.50 10+ in stock.
#2	F692152	COVER, EXHAUST PORT (1 required per assembly)
		F692152 - F692152 - COVER O [ More info ] Unavailable Replaced by -803932T
		803932T - Exhaust Cover [ More info ] $65.00 10+ in stock.
#3	F692154-1	GASKET, EXHAUST PORT PLATE (2 required per assembly)
		F692154-1 - F692154-1 - GASKET Exhaust Po O [ More info ] Unavailable Replaced by 27-819023
		27-819023 - 27-819023 - GASKET O [ More info ] Unavailable Replaced by 27-819023 1
		27-819023 1 - Gasket [ More info ] $19.00 $16.28 4 in stock.
#4	F699151	PLATE, EXHAUST PORT (1 required per assembly)
		F699151 - F699151 - PLATE-EXHAUST O [ More info ] Unavailable Replaced by 1000-819283
		1000-819283 - 1000-819283 - PLATE-EXHAUST O [ More info ] Unavailable Replaced by 1000-819283 1
		1000-819283 1 - Exhaust Plate [ More info ] $37.17 Available to order: Usually ships within 8 days.
#5	F2090	PLUG (1 required per assembly)
		22-F2090 - PLUG O NLA [ More info ] Unavailable
#6	F529398-1	DECAL, WIRING (1 required per assembly)
#12	F476067	GASKET, THERMOSTAT (1 required per assembly)
		27-F476067 - 27-F476067 - GASKET O [ More info ] Unavailable Replaced by 27-828319
		27-828319 - Gasket [ More info ] $3.10 10+ in stock.
		18-0854-9 - Gasket 27-828319 2-Pack [ More info ] $3.98 $2.14 3 in stock.
#13	F692995	COVER, CYLINDER HEAD (1 required per assembly)
		1000-F692995 - COVER O NLA [ More info ] Unavailable
#14	F1502	SCREW, 1/4 - 20 X 5/8 (3 required per assembly)
		F1502 - F1502 - SCREW (.250-20 x O [ More info ] Unavailable Replaced by 10-98254
		10-98254 - Screw [ More info ] $0.40 1 in stock.
#15	F1883	SCREW, 5/16 - 18 X 2-3/8 (14 required per assembly)
		10-F1883 - Screw [ More info ] $3.80 Available to order: Usually ships within 8 days.
#16	F1987	WASHER (14 required per assembly)
		F1987 - F1987 - WASHER O [ More info ] Unavailable Replaced by 12-34437
		12-34437 - Washer - Priced Individually [ More info ] $2.00 Available to order: Usually ships within 8 days.
#17	33-818007 1	SPARK PLUG (CHAMPION UL-18-V) (3 required per assembly)
		33-818007 1 - 33-818007 1 - SPARK PLUG O [ More info ] Unavailable Replaced by 33-824
		33-824 - 33-824 - SP #UL18V @8 O [ More info ] Unavailable Replaced by 33-896329824
		33-896329824 - Spark Plug - UL18V Note: - Priced Individually [ More info ] $6.00 Available to order: Usually ships within 8 days.
		BUHX - NGK Spark Plug, 2522 [ More info ] $3.33 10+ in stock.
		UL18V - Champion Spark Plug ( #824) [ More info ] $3.35 10+ in stock.
#18	F19109	PLUG (1 required per assembly)
		F19109 - F19109 - PLUG O [ More info ] Unavailable Replaced by 22-47945
		22-47945 - Pipe Plug [ More info ] $1.60 3 in stock.
#19	F719518	HEAD, CYLINDER (1 required per assembly)
		900-F719518 - 900-F719518 - HEAD-CYLINDER O [ More info ] Unavailable Replaced by 900-819857
		900-819857 - Cylinder Head -90 HP [ More info ] $123.25 10+ in stock.
		900-819857A 3 - Head Kit -3 Cylinder [ More info ] $276.33 $146.25 10+ in stock.
#20	F369529-3	GASKET, CYLINDER HEAD (1 required per assembly)
		27-820438 - Gasket [ More info ] $72.50 $62.07 In stock
		18-3855 - Gasket, 27-820438 [ More info ] $42.99 $34.82 7 in stock.
#21	F40223	GASKET, TRANSFER PORT COVER (3 required per assembly)
		27-F40223 - 27-F40223 - GASKET O [ More info ] Unavailable Replaced by 27-820500
		27-820500 - 27-820500 - GASKET O [ More info ] Unavailable Replaced by 27-820500A 3
		27-820500A 3 - Gasket Kit [ More info ] $12.00 10+ in stock.
		18-0869-9 - Gasket 27-F40223 2-Pack [ More info ] $23.98 $18.89 1 in stock.
#22	817790A 1	COVER, TRANSFER PORT (2 required per assembly)
		817790A 1 - Cover Kit - PORT [ More info ] $82.00 4 in stock.
#24	F1504	SCREW, 1/4 - 20 X 1-1/4 (2 required per assembly)
		10-F1504 - Screw -ss [ More info ] $2.00 Available to order: Usually ships within 8 days.
#25	F8095	WASHER (8 required per assembly)
		12-F8095 - 12-F8095 - WASHER O [ More info ] Unavailable Replaced by 12-25970
		12-25970 - 12-25970 - WASHER O [ More info ] Unavailable Replaced by 12-20553
		12-20553 - Washer - Priced Individually [ More info ] $1.10 5 in stock.
#26	F1872	SCREW, 3/8 - 16 X 1-3/4 (2 required per assembly)
		10-F1872 - 10-F1872 - SCREW (.375-16 x O [ More info ] Unavailable Replaced by 10-32132
		10-32132 - Screw [ More info ] $2.10 10+ in stock.
#27	F1009	SCREW, 3/8 - 16 X 2-3/4 (1 required per assembly)
		10-F1009 - 10-F1009 - BOLT (.375-16 x 2 O [ More info ] Unavailable Replaced by 10-47688
		10-47688 - Screw [ More info ] $2.50 Available to order: Usually ships within 8 days.
#28	F1873	SCREW, 3/8 - 16 X 3 (4 required per assembly)
		10-F1873 - 10-F1873 - SCREW (.375-16 x O [ More info ] Unavailable Replaced by 10-53734
		10-53734 - Screw [ More info ] $0.50 10+ in stock.
#29	F1999	SCREW, 1/4 - 20 X 7/8 (2 required per assembly)
		10-F1999 - Screw -ss [ More info ] $0.70 10 in stock.
		10-28668 - Screw - Priced Individually [ More info ] $1.20 10+ in stock.
		18-3229-9 - Screw, 10-28668, 5PK [ More info ] $9.95 $4.54 Available to order: Usually ships within 8 days.
#30	F85210	STUD (1 required per assembly)
		16-F85210 - 16-F85210 - STUD O [ More info ] Unavailable Replaced by 16-826394
		16-826394 - 16-826394 - STUD (.375-16 x 3 O [ More info ] Unavailable Replaced by 16-826394 1
		16-826394 1 - 16-826394 1 - STUD O [ More info ] Unavailable Replaced by 16-826394 2
		16-826394 2 - Stud [ More info ] $52.40 10+ in stock.
#31	F698122	SEAL, CRANKCASE PARTING LINE (1 required per assembly)
		F698122 - Crankcase Cover Seal - (Black) [ More info ] $18.50 $15.84 10+ in stock.
#32	F8563	DOWEL PIN (2 required per assembly)
		17-F8563 - 17-F8563 - PIN Dowel O [ More info ] Unavailable Replaced by 17-20433
		17-20433 - Pin -Dowel, NLA [ More info ] $2.00 10+ in stock.
#33	F85279-2	GASKET, CYLINDER EXHAUST (2 required per assembly)
		F85279-2 - F85279-2 - GASKET Cylinder E O [ More info ] Unavailable Replaced by 27-819381
		27-819381 - Gasket [ More info ] $19.80 $16.96 5 in stock.
#34	F692398-1	DECAL, WIRING (1 required per assembly)
		37-F692398-1 - Decal -Wiring, NLA [ More info ] $6.00 10+ in stock.
#35	FG1028-1	GASKET SET (1 required per assembly)
		FG1028-1 - FG1028-1 - GASKET SET O [ More info ] Unavailable Replaced by 27-FG1028-2
		27-809748A 1 - Gasket Set [ More info ] $203.83 2 in stock.
#36	F719943	TUBE, WATER JACKET (TOP) (1 required per assembly)
		32-F719943 - Water Tube Jacket [ More info ] $2.20 Available to order: Usually ships within 8 days.
#37	F719418	TUBE, WATER JACKET (2 required per assembly)
		32-F719418 - Water Tube Jacket [ More info ] $2.10 Available to order: Usually ships within 8 days.
#38	F719372	PIN (2 required per assembly)
		17-F719372 - Pin - Water Jacket Tube [ More info ] $1.40 Available to order: Usually ships within 8 days.
#39	F691372	PIN (1 required per assembly)
		17-F691372 - Pin - Water Jacket [ More info ] $1.10 Available to order: Usually ships within 8 days.
#40	FA692680	PLATE, SPACER (1 required per assembly)
		FA692680 - FA692680 - SPACER PLATE O [ More info ] Unavailable Replaced by -819750A 1
		819750A 1 - Plate Kit - Spacer, NLA [ More info ] $290.00 1 in stock.
#41	800-817881A 5	CYLINDER (1 required per assembly)
		800-817881A 5 - 800-817881A 5 - CYLINDER W/COVER O [ More info ] Unavailable Replaced by 800-817608A18
		800-817608A18 - 800-817608A18 - CYLINDER BLOCK KI O [ More info ] Unavailable Replaced by 800-818153A23
		800-818153A23 - CYLINDER BLOCK KI O NLA [ More info ] Unavailable
#	800-817608A 6	SHORT BLOCK (1 required per assembly)
		800-817608A 6 - 800-817608A 6 - SHORT BLOCK O [ More info ] Unavailable Replaced by 800-817608A17
		800-817608A17 - 800-817608A17 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by 800-817608A20
		800-817608A20 - 800-817608A20 - POWERHEAD ASSY O [ More info ] Unavailable Replaced by 800-817608A22
		800-817608A22 - POWERHEAD KIT O NLA [ More info ] Unavailable