Outboardparts.com Home Page: Your Source For Outboard Motor Parts
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Force Outboard Motor Pistons |
Is my piston top guided or bottom guided? |
How to tell if it’s top or bottom Guided: Check the forging number on the rod. |
2-5 Cylinder (bottom guided): Forging #818052, (335016-2), (818052A3) |
2-4 Cylinder Top Guided: Forging #9612 |
Force Outboard Motor & Mercury Outboard Sport Jet Pistons |
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Model | Cylinder | Piston Size | Bore Size | Wiseco Pistons | Pro-V | View Price, Part or |
Bearings for pistons listed below |
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Wrist pin bearing WP29-1 | Wiseco Pistons Must
use WP29-1 conversion wrist pin bearing
except 3164's and 6400 series uses 4036-29 wrist pin bearing (see below for 4036-29) |
WP29-1 | - | |||
Bearing
4036-29
|
Piston series 3164s and 6400 series uses 4036-29 wrist pin bearing also needs washers below | 4036-29 | - | |||
Wrist pin washer
wp37w (goes with 4036-29
bearing)
|
wp37w washer 4036-29 3164's and 6400 series (need to order 2 washers per rod) | wp37w | - | |||
Pistons |
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40 HP 1992 X-flow
40 HP 94-95 50 HP 91-95 70 HP 91-95 (bottom guided) 2-5 Cylinder (bottom guided): Rod Forging #818052 |
2
2 2 3
|
STD | 3.375 | 3151PS | V5100 | |
010 | 3.385 | 3151P1 | v5110 | |||
- | ||||||
020 | 3.395 | 3151P2 | v5120 | |||
- | ||||||
030 | 3.405 | 3151P3 | v5130 | |||
- | ||||||
040 | 3.415 | 3151P4 | - | |||
50 HP 84-88 | 2 | STD | 3.187 | 3167PS | - | |
020 | 3.207 | 3167P2 | - | |||
030 | 3.217 | 3167P3 | - | |||
90 HP 1996
95XR 1997 - 1999 120 HP 1996- 1999 (SPORT Jet Motor) see next piston down for 120 regular motors |
3 3 4
|
STD | 3.312 | 3129PS | - | |
- | 2900V | |||||
010 | 3.322 | - | - | |||
- | 2910V | |||||
020 | 3.332 | 3129P2 | - | |||
- | 2920V | |||||
030 | 3.342 | 3129P3 | - | |||
- | 2930V | |||||
040 | 3.352 | 3129P4 | - | |||
- | - | |||||
40 HP 96-99
50 HP 96-98 75 HP 96-98 90 HP 1996-1998 ** Scroll 2 boxes down for 90 HP (1990 - 1995) 120HP 1996 - 1999 Top Guided NOTE: **** Top guided pistons use 4036-29 Wrist Pin Bearing *****and 2 ea. wp37w washers. Click here to order.3026-29.htm3026-29.htm 2-4 Cylinder Top Guided: Rod Forging #9612 |
2
2 3 3
4
|
STD | 3.375 | 3164PS | - | |
- | ||||||
010 | 3.385 | 3164P1 | - | |||
- | ||||||
020 | 3.395 | 3164P2 | - | |||
- | ||||||
030 | 3.405 | 3164P3 | - | |||
- | ||||||
040 | 3.415 | 3164P4 | - | |||
50HP 1989-90 (In 90 both 3.312 & 3.375 were
made. Please check)
85 HP 84-89 120HP 1990 125HP 84-89 150HP 89-90 |
2
3 4 4 5 |
STD | 3.312 | 3129PS | - | |
- | 2900V | |||||
010 | 3.322 | - | - | |||
- | 2910V | |||||
020 | 3.332 | 3129P2 | - | |||
- | 2920V | |||||
030 | 3.342 | 3129P3 | - | |||
- | 2930V | |||||
040 | 3.352 | 3129P4 | - | |||
- | - | |||||
90 HP 90-95
120HP 91-95 150HP 91-94 1993-95 Mercury Outboard Sport Jet, (bottom guided) (Mercury Outboard sport jet uses the WP29-1 Wrist Pin Bearing) 2-5 Cylinder (bottom guided): Rod Forging #818052 |
3 4 5
|
STD | 3.375 | 3151PS | v5100 | |
- | ||||||
010 | 3.385 | 3151P1 | v5110 | |||
- | ||||||
020 | 3.395 | 3151P2 | v5120 | |||
- | ||||||
030 | 3.405 | 3151P3 | v5130 | |||
- | ||||||
040 | 3.415 | 3151P4 | - | |||
- | - |
Mercury Outboard Sport Jet: Look above and below for your model. |
The Sport Jets below need the 4036-29 Wrist Pin Bearing (top guided rods). | STD | 3.375 | 3164PS | - | |
- | |||||
Mercury Outboard Sport Jet, 3 cylinder, 1996 | |||||
010 | 3.385 | 3164P1 | - | ||
- | - | ||||
Mercury Outboard Sport Jet 95XR, 3 cylinder, 1997-1999 | |||||
020 | 3.395 | 3164P2 | - | ||
Mercury Outboard Sport Jet, 4 cylinder,120 HP 1996, | - | ||||
030 | 3.405 | 3164P3 | - | ||
Mercury Outboard Sport Jet,4 cylinder, 120 XR 1997 - 1999 | |||||
- | - | ||||
040 | 3.415 | 3164P4 | - | ||