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What is the installation direction of Bare Engine?

2025-07-09

The installation direction of Bare Engine is marked forward, which is described in detail below:

15S4G Engine for MG Roewe Maxus Accessories

Bare Engine are subject to the gas force of the piston pin and its own swing and the reciprocating inertia force of the piston group. The magnitude and direction of these forces are cyclically changing.

Therefore, MG Roewe Maxus Engine are subjected to alternating loads such as compression and tension. The connecting rod must have sufficient fatigue strength and structural stiffness.

Insufficient fatigue strength often leads to the fracture of the connecting rod or connecting rod bolt, which in turn causes a major accident of damage to the entire machine.

If the stiffness is insufficient, it will cause the rod body to bend and deform, the connecting rod big head to lose roundness and deform, and cause eccentric wear of the piston, cylinder, such as bearings and crank pins.

Bare Engine are composed of three parts. The part connected to the piston pin is called the small end of the connecting rod; the part connected to the crankshaft is called the big end of the connecting rod, and the rod connecting the small end and the big end is called the connecting rod body.

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