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Home  >  Outboard  >  Johnson / Evinrude / E-tec Outboard  >  Engine Rebuild Kits | Johnson - Evinrude Outboard  >  2 Cylinder Rebuild Kit | Johnson Evinrude Outboard  > Engine Rebuild Kit 1120K  OMC Johnson Evinrude 40-60 HP 2-Cylinder (+.020)

Engine Rebuild Kit 1120K  OMC Johnson Evinrude 40-60 HP 2-Cylinder (+.020)

.020 Over Bore Powerhead Rebuild Kit  Fits Johnson & Evinrude 40-60 HP
Item #: 1120K 
Manufacturer: Pro Marine
Available: In Stock
Engine Rebuild Kit .020 Over
OMC 2 Cyl 40-60hp
3.187 Bore
510.0000
484.50
Each
Quantity:
Quantity Price
1 484.50

Engine Rebuild Kit 1120K  OMC Johnson Evinrude 40-60 HP 2-Cylinder (.020 Over)

The Pro Marine 1120K Engine Rebuild Kit includes the major internal components required to rebuild Johnson and Evinrude 2-cylinder outboard engines in the 40-60 horsepower range.

This .020 over bore rebuild kit is designed for engines that have been machined oversize and use a 3.207" cylinder bore. The kit includes oversize pistons, rod bearings, crankshaft bearings, seals, and a complete powerhead gasket set required for a full engine rebuild.

Compatibility

This rebuild kit fits select Johnson and Evinrude 2-cylinder 2-stroke outboard engines in the 40-60 HP range.

Brand Application HP / Engine Fuel System Notes
Johnson Outboard 40-60 HP Carbureted 2 Cylinder  2-Stroke  .020 Over (3.207" Bore)
Evinrude Outboard 40-60 HP Carbureted 2 Cylinder  2-Stroke  .020 Over (3.207" Bore)

Application Chart

Brand Engine Type Horsepower Cylinders Bore
Johnson Outboard 40 HP 2 Cylinder 3.207"
Johnson Outboard 50 HP 2 Cylinder 3.207"
Johnson Outboard 55 HP 2 Cylinder 3.207"
Johnson Outboard 60 HP 2 Cylinder 3.207"
Evinrude Outboard 40 HP 2 Cylinder 3.207"
Evinrude Outboard 50 HP 2 Cylinder 3.207"
Evinrude Outboard 55 HP 2 Cylinder 3.207"
Evinrude Outboard 60 HP 2 Cylinder 3.207"

Engine Model Compatibility

This rebuild kit fits many Johnson and Evinrude 2-cylinder outboards using the .020 over (3.207") bore powerhead.

  • J40ELCTS
  • J40TLCTS
  • J40ELCRD
  • J40TLCRD
  • J50ELCTS
  • J50TLCTS
  • J50ELCRD
  • J50TLCRD
  • E50ESL
  • E50TEL
  • J60ELCTS
  • J60TLCTS
  • J60ELCRD
  • J60TLCRD
  • E60ESL
  • E60TLCOS

Johnson and Evinrude model numbers vary depending on shaft length, trim configuration, steering configuration, and production year. Always verify your engine model number before ordering parts.

What Is Included

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

Part Numbers & Cross References

Reference Type Part Number
Pro Marine Part 1120K

What This Kit Is Used For

The 1120K rebuild kit is used when rebuilding Johnson and Evinrude 2-stroke outboards that have been bored .020 over to repair cylinder wear or damage.

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

FAQ

What engines does this rebuild kit fit?
Johnson and Evinrude 40-60 HP 2-cylinder outboards bored .020 over.

What does .020 over mean?
It indicates the cylinders have been machined .020 inches larger than the standard bore to repair cylinder wear.

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

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

Dealer & Customer Support

Are you a marine repair shop, boat dealer, marina, or parts retailer? Pro Marine offers wholesale pricing and dealer discounts for qualified businesses in the marine industry.

Apply for a Dealer Account

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

Shipping Information

  • Free shipping on orders over $100
  • Continental United States
  • Ships UPS, USPS, or FedEx
  • Orders placed before 5:30 PM EST ship same day
  • Typical delivery time is 1-5 business days

Return Policy

Pro Marine accepts returns within 30 days of purchase on new, unused parts in original packaging.

Searchable Part Numbers

Pro Marine Part: 1120K

Common Searches:
Johnson 40 rebuild kit .020 over
Johnson 50 rebuild kit .020 over
Johnson 60 rebuild kit .020 over
Evinrude 40 rebuild kit .020 over
Evinrude 50 rebuild kit .020 over
Evinrude 60 rebuild kit .020 over
OMC 2 cylinder rebuild kit .020 over

Piston

OEM or Aftermarket
Aftermarket
Manufacturer
Pro Marine
2 or 4 Stroke
2 Stroke
Bore
3.207"
Piston Size
.020 Over
Enter the quantity for each needed part and click add to cart
No. Part No. Item Description Qty Req. Price Qty
1
Rod Bolt
4
2.61
Each
2
Bearing, Wrist Pin w/ Washers
2
15.97
Each
3
ProV Piston Kit .020
2
78.95
Each
4
Seal Kit, Crankshaft
1
24.14
Each
5
206
Bearing, Ball Lower Main
1
14.55
Each
6
344
Bearing, Rod Caged
2
32.13
Pair
7
Gasket Kit, Powerhead
1
62.98
Each
8
433
Bearing Kit, Center Main
1
51.45
Each
9
900
Bearing, Upper Main
1
88.96
Each
Enter the quantity for each needed part and click add to cart