The diagram to the right is a Johnson/Evinrude 3 Cylinder 50-70 HP Powerhead Assembly from 1978-2001. The following parts correspond to the numbers on this diagram:

1. Thermostat
• 60 HP (1986-1988) or 70 HP (1974-1985)
• 60 HP (1989-1992) or 70 HP (1986-1992)
• 60 or 70 HP (1993-2003)
2. Head Gasket
• Small Bore, 60 HP (1986-1988) or 70 HP (1978-1985)
• Big Bore, 60 HP (1989-2003) or 70 HP (1986-2003)

We recommend the following kits for this powerhead:

• Gasket Kit
• Small Bore, 60 HP (1986-1988) or 70 HP (1978-1985)
• Big Bore, 60 HP (1989-2003) or 70 HP (1986-2003)
• Carburetor Kit
• Fuel Pump Kit
• (1982-1987)
• (1988-1990)
  

The diagram to the right is for a Johnson/Evinrude 3 Cylinder 50-70 HP Crankshaft Assembly from 1978-2001. The following parts correspond to the numbers on this diagram:

1. Rod Bearings
2. Wrist Pin Bearings
3. Upper Crank Bearing
4. Lower Crank Bearing
5. Center Main Bearing with Sleeve
6. Rod Bolts

We recommend the following items for this crankshaft assembly:

• Crankshaft Seal Kit
• (1978-1992)
• (1993-2003)
• Piston
• Trim Motor
• 2-Wire (1978-1990)
• 2-Wire Fastrak with Short Leads
• Starter
• Starter Solenoid
• Trim Relay