Mercruiser 233-255/351 FD engines

Number of cylinders: 8 cylinders

Displacement: 5.8L

Standard diameters

Pistons: 101.6 / Connecting rods: 58.7 / Bearings: 76.21

Tightening torque m. Kg

Cylinder head: 14.2 to 15.2 / Flywheel: 10.2 to 11.5 / Connecting rod: 5.5 to 6 / Bearing: 13 to 14

FAQs From Same Category

Mercruiser 120/153 GM engines

Number of cylinders: 4 cylinders

Displacement: 2.5L

Standard diameters

Pistons: 98.42 – Connecting rods: 50.8 – Main bearings: 58.38

Torque settings (m·kg)

Cylinder head: 12.5 to 13.8 – Flywheel: 8.2 to 8.8 – Connecting rod: 4 to 4.5 – Main bearing: 8.2 to 9.5

Mercruiser 185-205/262 GM engines

Number of cylinders: 6 cylinders

Displacement: 4.3 L

Standard diameters

Pistons: 101.6 / Connecting rods: 57.14 / Bearings: 62.19

Tightening torque m. Kg

Cylinder head: 8.8 / Flywheel: 8.2 / Connecting rod: 6.2 / Bearing: 9.5

Mercruiser 130-140/181 GM engines

Number of cylinders: 4 cylinders

Displacement: 2.5l

Standard diameters

Pistons: 98.42 /Connecting rods: 50.8 /Levels: 58.38

Tightening torque m. Kg

Cylinder head: 12.5 to 13.8 /Flying: 8.2 to 8.8 /Rod: 4 to 4.5 /Landing: 8.2 to 9.5

Mercruiser 3.0 LX 160-165/250 GM engines

Number of cylinders: 6 cylinders

Displacement: 4L

Standard diameters

Pistons: 98.42 /Connecting rods: 50.8 to 53.34 /Bearings: 58.38

Tightening torque m. Kg

Cylinder head: 12.5 to 13.8 /Flywheel: 8.2 to 8.8 /Connecting rod: 4 to 4.5 /Bearing: 8.2 to 9.5