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OMC V4 Big Bore 1988-1995 Non Finger Ported Looper
Item#:
1930K4
Manufacturer:
Vertex
Available:
In Stock
1133.4700
Your Price:
1076.80
Each
030 Over Vertex Rebuild Kit Johnson Evinrude V4 1976-1988 Crossflow

Engine Rebuild Kit 1530K Johnson Evinrude 90 140 HP V4 1976-1988

The Pro Marine 1530K Engine Rebuild Kit provides the major internal components required to rebuild Johnson and Evinrude V4 crossflow outboard engines produced from 1976 through 1988 in the 90-140 horsepower range.

This .030 over Vertex rebuild kit is designed for engines that have been bored oversize during machine work. The kit includes oversize pistons, rod bearings, crankshaft bearings, seals, and a complete powerhead gasket set required during a full engine rebuild.

Available Bore Size Options

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

Part Number Bore Size Description
1500K Standard Standard bore rebuild kit for engines that have not been bored oversize
1520K .020 Over For engines bored .020 inches oversize during cylinder machining
1530K .030 Over For 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 2-stroke outboard engines produced from 1976-1988 in the 90-140 HP range.

Brand Application HP Engine Fuel System Notes
Johnson Outboard 90-140 HP Carbureted V4 Crossflow 2 Stroke 1976-1988
Evinrude Outboard 90-140 HP Carbureted V4 Crossflow 2 Stroke 1976-1988

Application Chart

Brand Engine Type Horsepower Cylinders Engine Family
Johnson Outboard 90 HP V4 Crossflow
Johnson Outboard 100 HP V4 Crossflow
Johnson Outboard 115 HP V4 Crossflow
Johnson Outboard 140 HP V4 Crossflow
Evinrude Outboard 90 HP V4 Crossflow
Evinrude Outboard 100 HP V4 Crossflow
Evinrude Outboard 115 HP V4 Crossflow
Evinrude Outboard 140 HP V4 Crossflow

Engine Model Compatibility

This rebuild kit fits many Johnson and Evinrude V4 crossflow outboards produced between 1976 and 1988.

  • J90ELCTS
  • J90TLCTS
  • J100ELCTS
  • J100TLCTS
  • J115ELCTS
  • J115TLCTS
  • J140ELCTS
  • J140TLCTS
  • E90TLCTS
  • E100TLCTS
  • E115TLCTS
  • E140TLCTS

What Is Included

  • .030 over Vertex pistons
  • Piston ring sets
  • Wrist pins
  • Piston circlips
  • Rod bearings
  • Upper main crankshaft bearing
  • Center main crankshaft bearings
  • Lower main crankshaft bearing
  • Complete powerhead gasket set
  • Oil seals
  • O rings
  • Intake gaskets
  • Exhaust gaskets
  • Cylinder head gaskets

Part Numbers and Cross References

Reference Type Part Number
Pro Marine Part 1530K

What This Kit Is Used For

The 1530K rebuild kit is used when rebuilding Johnson and Evinrude V4 crossflow outboards that have been bored .030 oversize during cylinder machining.

Replacing pistons, bearings, gaskets, and seals during a powerhead rebuild restores compression and engine reliability while extending engine life.

FAQ

What engines does this rebuild kit fit?
Johnson and Evinrude 90-140 HP V4 crossflow outboards produced between 1976 and 1988.

What does .030 over mean?
It means the cylinders have been machined .030 inches larger than the original bore and require oversize pistons.

Does this kit include pistons and rings?
Yes. Vertex pistons, piston rings, wrist pins, and circlips are included.

Are crankshaft bearings included?
Yes. Upper, center, and lower crankshaft main bearings are included.

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.

Apply for a Dealer Account

Contact Pro Marine
Phone 941-721-3000
Contact Us Online

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
1530K

Common Searches
Johnson 90 rebuild kit .030
Johnson 100 rebuild kit .030
Johnson 115 rebuild kit .030
Johnson 140 rebuild kit .030
Evinrude 90 rebuild kit .030
Evinrude 115 rebuild kit .030
Evinrude 140 rebuild kit .030
OMC V4 rebuild kit .030

Item#:
1530K
Manufacturer:
Vertex
Available:
Out of Stock
699.0000
Your Price:
664.05
Each
Mercury 2.5L Carb & EFI Head Gasket Bottom Guided
Item#:
2415-1
Manufacturer:
Vertex
Available:
Out of Stock
1511.7800
Your Price:
1436.19
Each
Yamaha F250 4-Stroke For 24224050 Piston
Item#:
24224050R
Manufacturer:
Vertex
Available:
In Stock
Your Price:
30.89
Each
Suzuki 75-85Hp 80-91 Bore Size 3.327"
Item#:
311-50
Cross Reference#:
12140-88D00-050
12140-95300-050
12140-95301-050
12140-95302-050
12141-95301-050
Manufacturer Item:
12140-95301-050
Manufacturer:
Vertex
Available:
In Stock
Your Price:
14.94
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Yamaha F200-250 3.3L 2005-2018
Yamaha 
F200 3.3L 2005-2018
F225 3.3L 2005-2018
F250 3.3L 2005-2018

Item#:
24224025
Cross Reference#:
6P2-11635-10-00
69J-11635-00-00
Manufacturer:
Vertex
Available:
In Stock
Your Price:
163.77
Each
Mercury Inline 2-4 Cyl Bore Size 2.580
Item#:
V4415
Cross Reference#:
3366A1
3366A2
9229A10
Manufacturer Item:
3366A2
Manufacturer:
Vertex
Available:
In Stock
Your Price:
132.44
Each
Mercury Inline 2-4 Cyl Bore Size 2.565
Item#:
V4400
Cross Reference#:
3193A2
3193A4
5172A6
9-53200
9229A7
Manufacturer Item:
5172A6
Manufacturer:
Vertex
Available:
In Stock
Your Price:
132.44
Each
Mercury Inline 2-4 Cyl Bore Size 2.595
Item#:
V4430
Cross Reference#:
9-53202
Manufacturer:
Vertex
Available:
In Stock
Your Price:
132.44
Each
Yamaha F200-250 3.3L 2005-2018
Yamaha 
F200 3.3L 2005-2018
F225 3.3L 2005-2018
F250 3.3L 2005-2018

Item#:
24224050
Manufacturer:
Vertex
Available:
In Stock
Your Price:
163.77
Each
Vertex Powerhead Rebuild Kit 020 Over for OMC V4 Crossflow Engines

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

        Item#:
        1520K
        Manufacturer:
        Vertex
        Available:
        Out of Stock
        699.0000
        Your Price:
        664.05
        Each
        Yamaha F150 4Cyl Up to 2010
        Item#:
        24226025
        Cross Reference#:
        63P-W1164-10-00
        Manufacturer Item:
        63P-W1164-10-00
        Manufacturer:
        Vertex
        Available:
        In Stock
        Your Price:
        154.49
        Each
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