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ENGINE 273 MPFI
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ENGINE
GENERAL DESCRIPTION
Cylinder Block
The cylinder block is made of cast aluminium alloy
and has 2 cylinders arranged in-line.
Crank Shaft & Main Bearings
A crankshaft is supported by 3 main bearing which
are of precision insert type & two crank pins on the
crankshaft.
Pistons, PistonRings, PistonPinsAndConnecting
Rods
The piston is cast aluminium alloy, and has two
compression ring and one oil ring.
Among two compression rings (top and 2
nd
rings), the
outer surface of the top ring is treated with nitriding
and the 2
nd
ring is plated with hard chromium for
improvement in abrasion resistance.
The oil ring consists of two rails and one spacer.
Piston Pins made of chromium steel, have a floating
fit in the pistons and connecting rods.
The connecting rods are made of forged steel and the
rod bearings are of precision insert type.