Page 330 - 2021 Sierra Catalog

HP
Cyl Year
4 1985-87 4 1988-94 4 1992-95 4 1995-98 4 1974-76 4 1977
4 1978-84 4 1985-87 4 1988-94 4 1988
6 1973-77 6 1978-91 6 1984-92 6 1977-83 6 1986-91 6 1984-85 6 1990-93 6 1993-94 6 1976-83 6 1985-87 6 1988-93 6 1993-01 6 1985-87 6 1988-93 6 1980-85 6 1990-93 6 1988
6 1988-92 8 1988-92 8 1985-87 8 1988-92 8 1985-87
Cyl.
4 &6 4 &6 4 &6 4 &6 4 &6
Std. STANDARD Bore Port STBD
.020” OS .030” OS
Port STBD Port STBD
Piston Rings
18-3904 18-3975 18-3975 18-3975 18-3904 18-3904 18-3904 18-3904 18-3975 18-3904 18-3904 18-3904 18-3904 18-3904 18-3907 18-3904 —
.020 OS Rings
.030 OS Rings
Powerhead Bearing Set
120
120
125 Comm. 130
135
140
140
140
140
1600CC
150
150
155 Comm. 175
175
185
185
185 Looper 200
200
2001
200-225 Looper 225
225
235
250/300 2500CC
250
275
275
300
300/3.6L
HP
90-175 90-175 90-175 90-175 90-175
3.5 — 3.685 18-4065 3.685 18-4065 3.685 18-4065 3.5 18-4120 3.5 18-4120 3.5 18-4120 3.5 — 3.685 18-4065 3.5 18-4120 3.5 18-4120 3.5 18-4120 3.5 18-4120 3.5 18-4120 3.625 18-4123 3.5 18-4120 — — 3.5995 18-4190 3.5 18-4120 3.5 — 3.685 18-4065 3.5995 18-4190 3.5 — 3.685 18-4065 3.625 18-4123 3.685 18-4065 3.5 18-4120 3.685 18-4065 3.685 18-4065 3.5 — 3.685 18-4065 3.5 —
Bore Size
— 18-4066 18-4066 18-4066 18-4120 18-4120 18-4120 — 18-4066 18-4120 18-4120 18-4120 18-4120 18-4120 18-4123 18-4120 — 18-4079 18-4120 — 18-4066 18-4079 — 18-4066 18-4123 18-4066 18-4120 18-4066 18-4066 — 18-4066 —
— 18-4111 18-4102 — — 18-4067 — — 18-4067 — — 18-4067 18-4110 18-4110 18-4100 18-4110 18-4110 18-4100 18-4110 18-4110 18-4100 — 18-4111 18-4102 — — 18-4067 18-4110 18-4110 18-4100 18-4110 18-4110 18-4100 18-4110 18-4110 18-4100 18-4110 18-4110 18-4100 18-4110 18-4110 18-4100 18-4113 18-4113 — 18-4110 18-4110 18-4100 — — — 18-4195 18-4086 18-4165 18-4110 18-4110 18-4100 — 18-4111 18-4102 — — 18-4067 18-4195 18-4086 18-4165 — 18-4111 18-4102 — — 18-4067 18-4113 18-4113 18-4103 — — 18-4067 18-4110 18-4110 18-4100 — — 18-4067 — — 18-4067 — 18-4111 18-4102 — — 18-4067 — 18-4111 18-4102
60° Eagle Series
Piston OE No.
— 436242 — 436243 — N/A
N/A
— 439519
18-4101 18-4068 18-4068 18-4068 18-4100 18-4100 18-4100 18-4101 18-4068 18-4100 18-4100 18-4100 18-4100 18-4100 — 18-4100 —
— 18-4100 18-4101 18-4068 18-4087 18-4101 18-4068 18-4103 18-4068 18-4100 18-4068 18-4068 18-4101 18-4068 18-4101
18-3906
—
—
—
18-3906
18-3906
18-3906
18-3906
—
18-3906
18-3906
18-3906
18-3906
18-3906
—
18-3906
— — 18-1389
JOHNSON/EVINRUDE PISTONS (for V-4, V-6 and V-8 Applications) (Cont.)
—
18-3904
18-3904
18-3975
—
18-3904
18-3975
18-3907
18-3975
18-3904
18-3975
18-3975
18-3904 18-3906 18-3905 —
— 18-3906 18-3906
— — 18-3905 18-1389 18-3905 —
18-3905 —
— —
— —
— — 18-3905 — 18-3905 — 18-3905 18-1386 18-3905 —
— — 18-3905 18-1386 18-3905 — 18-3905 — 18-3905 — 18-3905 — 18-3908 — 18-3905 —
— — 18-1389 — — — 18-3906 18-3905 18-1389 — — 18-1389 — 18-3908 —
— — — 18-3906 18-3905 — — — — — — —
OUTBOARD — JOHNSON/EVINRUDE (OMC/BRP) - Internal Engine System
312 3.6L
1987 8
3.600 (port) 3.600(starboard) 3.620 (port) 3.620 (starboard) 3.630 (port)
OMC V-4/V-6 60° Eagle Series Pistons
STD. STANDARD .020"O.S.
H.P. YEAR CYL. BORE (PORT) (STBD) (PORT) (STBD) (PORT) (STBD) RINGS
90-175 1991-2000 4 & 6 3.600 — 18-4058 — 18-4088
OMC SEA DRIVE PISTONS
STD. STANDARD .020"O.S. .030"O.S. STD. .020" O.S.
H.P. YEAR CYL. BORE (PORT) (STBD) (PORT) (STBD) (PORT) (STBD) RINGS RINGS RINGS
1.6L 1983-89 4 1.8L 1987 4 2.5L 1982,
1984-85 6 2.6L 1982-86 6 2.7L 1987 6
3.500 18-4120 18-4120 18-4110 3.500 — — —
3.500 18-4120 18-4120 18-4110 3.625 18-4123 18-4123 18-4113 3.500 — — — 3.500 — — —
18-4110 18-4100 18-4111 18-4102
18-4110 18-4100
18-4113 — — 18-4111 18-4102 18-4101 18-4111 18-4102 18-4101
18-3975 18-3904
Piston Ring
18-4088 18-4088 18-4089 18-4089 18-4090
— — —
18-4100 18-4101
18-3904 18-3906 18-3904 18-3906
18-3904 18-3906 18-3907 — 18-3904 18-3906 18-3904 —
18-3905 18-3905
18-3905 18-3908 18-3905 18-3905
18-4100
18-3906
18-3905 —
OE No.
436353 436353 N/A N/A 436354
.030"O.S.
STD.
.030” O.S. Rings
18-4090
.030" O.S.