Mazda B-Series - Mechanical Specifications

WL-C Engine Mechanical
Mechanical
Features
• The mechanical system of the WL-C engine has the following new features:
– Pistons with integrated combustion chamber
– Coated piston skirt
– Reduced compression ratio
– Newly constructed aluminium alloy cylinder head
– Double overhead camshafts (driven by a timing belt)
– Four valves per cylinder
– Adjustable roller-type rocker arms
– Timing belt auto tensioner
Specifications
WL-C
Diesel 4-stroke
Inline, 4-cylinder
Direct injection
DOHC, timing gear and belt driven, 16 valves
ml 2,499
mm 93.0 x 92.0
18.0:1
kPa 2,942 (standard) 2,648 (minimum)
Open BTDC (°) 10
Close ABDC (°) 30
Open BBDC (°) 40
Close ATDC (°) 8
IN mm 0.10-0.16
EX mm 0.17-0.23
BT-50_T01001
Valve clearance
(engine cold)
Displacement
Compression pressure
Bore x stroke
Item
Specification
Compression ratio
IN
Valve timing
EX
Type
Cylinder arrangement and number
Combustion chamber
Valve system
Service Training BT-50 01-3