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Mercury Outboard 200HP-225HP Pistons

******Top guided or (bottom guided)?******

It's easy to tell by looking at the forging number on the rod. Then check the chart below.

Model top guided (bottom guided)
3 & 4 Cyl. 646-81884 638-85321
V-6 644-818141 636-8118
 
Pistons my horsepower
 

Avoid damaging your flywheel and crankshaft

Flywheel Puller

 

Mercury Outboard Motor Pistons 200HP-225HP

Wiseco forged pistons are superior in strength due to the inherent nature of both the aluminum alloy and the forging extrusion manufacturing process.
The Pro Parts piston is a (cast piston), cast from high silicone aluminum according to original equipment specifications. Most mechanics use a cast piston when available.
The Pro-V piston is a (cast piston), cast from high silicone aluminum according to original equipment specifications. Most mechanics use a cast piston when available.
The Pro- HP has high quality moly coating on the skirt and comes with a ceramic coated dome. Available wherever PRO - V cast pistons are applicable by special order. Call (941) 209-5747 for details.

*All pistons are sold with wrist pins, rings, and clips (unless noted).

**All pistons & kits include one piston only.

Model Cyl. Piston Size Bore Size Wiseco  Pro Parts  Pro-V

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200 HP 1978- 1990 2.4 liter Chrome Block STD.

200HP 1983- 1990

 When using this piston in a sleeved block, bore is 3.377" and uses a different ring.

You need to specify different rings for a sleeved hole, email Dstiber@aol.com.

V6
STD Port 3.375 3102PS  - -

- 2100P  -

-   2100PV 

STD Star 3.375 3102SS  - -

- 2100S  -

- - 2100SV 

.010 Port 3.385 3102P1  - -

- - - -
- - - -
.010 Star 3.385 3102S1  - -

- - - -
- - - -
.015 Port 3.390 - - - -
  2115P  -

- - 2115PV 

.015 Star 3.390 - - - -
- 2115S  -

- - 2115SV 

.020 Port 3.395 3102P2  - -

- - - -
- - - -
.020 Star 3.395 3102S2  - -

- - - -
- - - -
.030 Port 3.405 3102P3  - -

  2130P  -

- - 2130PV 

.030 Star 3.405 3102S3  - -

  2130S  -

- - 2130SV 

 
200HP  1991 2.5 liter;

 200HP   1991 Offshore; 

200HP 1991 2.5L XRI;

200HP 1991 2.5L EFI;

2.5 liter 

(bottom guided)

V6 STD Port 3.500 3124PS  - -

- 2400P  -

    2400PV 

STD Star 3.500 3124SS  - -

- 2400S  -

    2400SV 

.015 Port 3.515 - - - -
- 2415P  -

    2415PV 

.015 Star 3.515 - - - -
- 2415S  -

    2415SV 

.020 Port 3.520 3124P2  - -

- - - -
- - - -
.020 Star 3.520 3124S2  - -

- - - -
- - - -
.030 Port 3.530 3124P3  - -

- 2430P  -

    2430PV 

.030 Star 3.530 3124S3  - -

- 2430S  -

    2430SV 

.044 Port 3.544 3124P4  - -

- - - -
- - - -
.044 Star 3.544 3124S4  - -

- - - -
- - - -
200HP 1992 - 2000 2.5 liter;

200HP 1992 - 2000 Offshore 2.5L

200HP 1992- 2000 2.5 liter XR1, 

200HP 1992 - 2000 2.5 liter EFI

(top guided Rod)

V6 STD Port 3.500 3137PS  - -

- 2500P  -

- - 2500PV 

STD Star 3.500 3137SS  - -

- 2500S  -

    2500SV 

.015 Port 3.515 - - - -
- 2515P  -

  - 2515PV 

.015 Star 3.515 - - - -
- 2515S  -

    2515SV 

.020 Port 3.520 3137P2  - -

- - - -
- - - -
.020 Star 3.520 3137S2  - -

- - - -
- - - -
.030 Port 3.530 3137P3  - -

- 2530P  -

  - 2530PV 

.030 Star 3.530 3137S3  - -

- 2530S  -

- - 2530SV 

.044 Port 3.544 3137P4  - -

- - - -
- - - -
.044 Star 3.544 3137S4  - -

- - - -
- - - -
225HP 1980-81 2.4 liter Chrome Block STD

 When using this piston in a sleeved block, bore is 3.377" and uses a different ring.

You need to specify different rings for a sleeved hole, via phone.

V6
STD Port 3.375 3102PS  - -

- 2100P  -

-   2100PV 

STD Star 3.375 3102SS  - -

- 2100S  -

- - 2100SV 

.010 Port 3.385 3102P1  - -

- - - -
- - - -
.010 Star 3.385 3102S1  - -

- - - -
- - - -
.015 Port 3.390 - - - -
  2115P  -

- - 2115PV 

.015 Star 3.390 - - - -
- 2115S  -

- - 2115SV 

.020 Port 3.395 3102P2  - -

- - - -
- - - -
.020 Star 3.395 3102S2  - -

- - - -
- - - -
.030 Port 3.405 3102P3  - -

  2130P  -

- - 2130PV 

.030 Star 3.405 3102S3  - -

  2130S  -

- - 2130SV 

3.0 liter

1994-98

V6 STD Port 3.625 3170PS  - -

  7000P  -

- - 7000PV 

STD Star 3.625 3170SS  - -

- 7000S  -

- - 7000SV 

.015 Port 3.640 - - - -
- 7015P  -

- - 7015PV 

.015 Star 3.640 - - - -
- 7015S  -

- - 7015SV 

.020 Port 3.645 3170P2  - -

- - - -
- - - -
.020 Star 3.645 3170S2  - -

- - - -
- - - -
.030 Port 3.655 3170P3  - -

- 7030P  -

- - 7030PV 

.030 Star 3.655 3170S3  - -

- 7030S  -

- - 7030SV 

.040 Port 3.665 3170P4  - -

- - - -
- - - -
.040 Star 3.665 3170S4  - -

- - - -
- - - -