Mazda 626 - Engine Outline; Engine Features; Engine Specifications

OUTLINE
OUTLINE
OUTUNE OF CONSTRUCTION
• The construction and operation of the face-lifted FP, FS, FS (Hi-power) engine models are essentially carried
over from those of the current 626 (GF), 626 Station Wagon (GW) (FP, FS, FS (Hi-power)) engine models,
except for the following features. (See 626 Training Manual 3303-10-97D.)
FEATURES
Improved Engine Performance
• The shape of the intake port has been modified. (FP)
• The valve timing of exhaust valve has been changed from BBDC 48° to BBDC 44°, and ATDC 2° to ATDC 6°.
(FP)
• The compression ratio has been increased from 9.6:1 to 9.7:1. (FP)
SPECIFICATIONS
Item
Specification
FP
FS
FS (Hi-power)
Type Gasoline, 4-cycle
Cylinder arrangement and number In-line, 4-cylinder
Combustion chamber Pentroof
Valve system
DOHC, timing belt driven, 16 valves
Displacement (ml {cc, cu in}) 1,840 {1,840, 112.2} 1,991 {1,991, 121.5}
Bore x stroke (mm {in})
83.0 x 85.0
{3.27x3.35}
83.0x92.0 {3.27 x 3.62}
Compression ratio 9.7:1
9.7:1
Compression pressure (kPa {kgf/cm2, psi} [rpm]) 1,471 {15.0, 213} [300]
Valve
timing
IN
Open BTDC (°)
0
2
5
Close ABDC (°)
35 48
56
EX
Open BBDC (°)
44
48
Close ATDC (°) 6
2
Valve clearance
[Engine colcj]
IN (mm {in}) 0.26 {0.010}
EX (mm {in}) 0.26 {0.010}
~~~l Indicates new specificatinn
B1-2