Crankshaft assembly minimum mass

In Simple Terms

F1 engines must use a crankshaft assembly that weighs at least 5.8 kilograms in the section between the main bearing points. This minimum weight requirement ensures engines meet safety and durability standards while maintaining competitive balance among teams.

• The crankshaft assembly must weigh a minimum of 5800 grams (5.8 kg)
• The weight is measured between the mid positions of the front and rear main bearing journals
• This rule applies to the complete crankshaft assembly as a structural component
• The minimum mass requirement ensures engine reliability and safety across all teams