Engine Rebuild Kit +.030
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Compatible Applications
| Brand | Application | Engine Type | Application Notes |
|---|---|---|---|
| Mercury | 100–125 L4 1994 & Up | 2-Stroke Outboard | Top-guided rods; 3.530" finished bore |
What is Included
| Qty | Included Part | Part Number |
|---|---|---|
| 4 | ProV Piston Kit .030 | 6230V |
| 8 | Rod Bolt (Torque to 30 ft-lb) | RB9000 |
| 4 | Wrist Pin Bearing w/ Washers | WP42-1 |
| 1 | Powerhead Gasket Kit | 005 |
| 4 | Caged Rod Bearing | 012-1 |
| 1 | Crankshaft Seal Kit | 2017 |
| 1 | Lower Main Ball Bearing | 307 |
| 1 | Upper Main Bearing | 430 |
| 3 | Center Main Bearing Kit w/Race | 943 |
This is a .030" oversize kit
The pistons are .030" larger than standard, for a finished bore of 3.530". The cylinders must be bored and honed to match the pistons before assembly. Have your machine shop measure the bores and confirm the oversize you need before ordering.
What This Kit is Used For
This Pro Marine engine rebuild kit supplies the pistons, bearings, seals, and gaskets needed to rebuild the powerhead on Mercury 100–125 L4 1994 & Up two-stroke outboards, in a .030" oversize configuration.
Key Features and Benefits
- Engine rebuild kit for Mercury 100–125 L4 1994 & Up
- Includes 4 ProV .030" oversize pistons
- Includes wrist pin, rod, and main bearings plus new rod bolts
- Includes crankshaft seals and powerhead gasket kit
Kit Details
- Kit Part Number: 6230K4
- Manufacturer: Pro Marine (Aftermarket)
- Engine Type: 2-stroke, 4-cylinder
- Piston Size: .030" Over
- Finished Bore: 3.530"
- Not Included: Crankcase sealant and needle bearing assembly grease
FAQ
What engines does this kit fit?
This kit fits Mercury 100–125 L4 1994 & Up two-stroke outboards. Confirm your model and serial number before ordering.
Do I need to bore my cylinders?
Yes. The pistons are .030" oversize, so the cylinders must be bored and honed to 3.530". Standard and other oversize kits are also available.
Is crankcase sealant included?
No. Crankcase sealant and needle bearing assembly grease are sold separately.
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