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Engine Rebuild Kit Johnson Evinrude 90-140 HP V4 Crossflow +020 1976-1988

Vertex Powerhead Rebuild Kit 020 Over for OMC V4 Crossflow Engines
Item #: 1520K 
Manufacturer: Vertex
Available: Out of Stock
Engine Rebuild Kit .020 Over
OMC 3 Cyl 60-75HP
1976-1988 3.000" Bore
699.0000
664.05
Each
Quantity:
Quantity Price
1 664.05

This Pro Marine 1520K engine rebuild kit is designed for Johnson and Evinrude 90 HP through 140 HP V4 crossflow outboard engines produced from 1976 through 1988. This version of the kit includes .020 inch oversize pistons for engines that have had the cylinders bored during machining.


These OMC V4 crossflow engines are widely used on fishing boats and recreational boats and are known for their durability and strong mid range torque. This rebuild kit provides the major internal components needed to restore compression, reliability, and performance when rebuilding a worn or damaged powerhead.


Available Bore Size Options

This engine rebuild kit is available in multiple bore sizes depending on your cylinder condition after machining.

Part NumberBore SizeDescription
1500KStandardStandard bore rebuild kit for engines that have not been bored oversize
1520K.020 OverFor engines bored .020 inches oversize during cylinder machining
1530K.030 OverFor engines bored .030 inches oversize during cylinder machining

Always confirm the final cylinder bore size with your machine shop before ordering pistons or rebuild kits.


Compatibility

This rebuild kit fits Johnson and Evinrude V4 crossflow outboard engines rated between 90 HP and 140 HP produced from 1976 through 1988. These engines use a 3.500 inch bore crossflow block and were commonly installed on bass boats, fishing boats, and recreational runabouts.


Application Chart

BrandHorsepowerEngine TypeYear Range
Johnson90 HPV4 Crossflow1976-1988
Johnson115 HPV4 Crossflow1976-1988
Johnson140 HPV4 Crossflow1976-1988
Evinrude90 HPV4 Crossflow1976-1988
Evinrude115 HPV4 Crossflow1976-1988
Evinrude140 HPV4 Crossflow1976-1988

Engine Model Compatibility

This kit fits OMC V4 crossflow engines with a 3.500 inch cylinder bore. The included pistons are .020 inch oversize and are intended for engines that have been bored during cylinder machining.


What Is Included

  • .020 oversize piston kits
  • Piston rings
  • Wrist pin bearings
  • Connecting rod bearings
  • Main crankshaft bearings
  • Crankshaft seal kit
  • Complete powerhead gasket set
  • Rod bolts
  • Additional internal engine bearings and seals

  • Part Numbers and Cross References

    Common cross reference numbers associated with this rebuild kit include:

    • 1520K
    • 1500K
    • 1530K

    • What This Kit Is Used For

      This rebuild kit is used during a complete powerhead rebuild on Johnson or Evinrude V4 crossflow outboard engines. It is typically installed when engines require cylinder boring, new pistons, and full internal service due to low compression, piston damage, or high engine hours.


      Marine repair shops and engine builders frequently use these kits when restoring classic OMC crossflow engines to reliable running condition.


      FAQ

      What does .020 over mean?

      It means the pistons are .020 inches larger than the standard cylinder bore size and are used when cylinders have been bored during machining.


      What engines does this rebuild kit fit?

      Johnson and Evinrude V4 crossflow outboards rated from 90 HP to 140 HP produced between 1976 and 1988.


      Does this kit include pistons?

      Yes. The kit includes .020 oversize piston assemblies along with rings, bearings, seals, and a full powerhead gasket set.


      Should I confirm bore size before ordering?

      Yes. Always confirm the final cylinder bore measurement with your machine shop before ordering a rebuild kit.


      Dealer Discounts

      Are you in the marine industry? Pro Marine offers wholesale pricing and dealer discounts for marine repair shops, boat dealers, marinas, and parts retailers.

      If your business regularly purchases outboard engine parts, we invite you to apply for a Pro Marine dealer account.

      Contact Pro Marine

      Phone 941-721-3000

      Shipping Policy

      • Free shipping on orders over $100
      • Continental United States only
      • Orders ship via UPS USPS or FedEx
      • Orders placed before 5:30 PM EST typically ship the same day
      • Most deliveries arrive within 1-5 business days

      • Searchable Part Numbers

        Pro Marine Part

        1520K

        Common Searches

        Johnson 90 rebuild kit
        Evinrude 140 rebuild kit
        OMC V4 crossflow rebuild kit
        Johnson Evinrude 90 115 140 rebuild kit
        OMC 020 over rebuild kit

        Piston

        OEM or Aftermarket
        Aftermarket
        Manufacturer
        Vertex
        2 or 4 Stroke
        2 Stroke
        Bore
        3.020"
        Piston Size
        .020 Over
        Gel Seal 6ml Small Tube
        Single Use
        Crankcase Sealant
        Item#:
        GS1-SM
        Manufacturer:
        Loctite
        Available:
        In Stock
        Your Price:
        7.21
        Each
        Grease, Needle Bearing Assy
        16 ounce Blue
        JE 378642
        Item#:
        9260
        Cross Reference#:
        FK65
        FT2961
        378642
        42649A1
        8M0071836
        802868Q1
        825265A1
        Manufacturer Item:
        802868Q1
        Manufacturer:
        Pro Marine
        Available:
        In Stock
        Your Price:
        19.99
        Each
        Enter the quantity for each needed part and click add to cart
        No. Part No. Item Description Qty Req. Price Qty
        1
        Rod Bolt
        6
        2.61
        Each
        2
        Vertex Piston Kit .020
        3
        91.62
        Each
        3
        Bearing, Wrist Pin w/ Washers
        3
        15.97
        Each
        4
        Seal Kit, Crankshaft
        1
        24.14
        Each
        5
        206
        Bearing, Ball Lower Main
        1
        14.55
        Each
        6
        344
        Bearing, Rod Caged
        3
        32.13
        Pair
        7
        433
        Bearing Kit, Center Main
        2
        51.45
        Each
        8
        497
        Gasket Kit, Powerhead
        1
        91.42
        Each
        9
        900
        Bearing, Upper Main
        1
        88.96
        Each
        Enter the quantity for each needed part and click add to cart