Valve-Clearance Adjustment - Mazda B Series Training Manual

Mechanical

Valve-Clearance Adjustment

•
The valve clearance is measured between roller and cam lobe.
CAUTION: For loosening the locknut of the adjusting screw the cam lobe must push down
the rocker arm firmly as shown in the figure below. Otherwise the claw of the
rocker arm might be damaged.
1 Cam lobe
2 Adjusting screw
3 Locknut
Camshaft Pulleys
•
The camshaft pulleys for intake and exhaust camshaft are identical. They are positioned
on the camshaft with pins and have to be installed as shown in the figure below.
1 Intake side camshaft pulley
2 Pin
01-8
4 Rocker arm
5 Claw
6 Roller
3 Exhaust side camshaft pulley
Service Training BT-50
WL-C Engine
BT-50_01010
BT-50_01011