Category Archives: FUSO 4M4

FUSO 4M4 – Engine – STRUCTURE AND OPERATION – Timing Chain

• The timing chain is an endless chain with 110 links that connects the exhaust cam sprocket, intake cam sprocket and the idler sprocket. • The timing chain has mark link plates at three locations that indicate the position at which the crankshaft and the camshaft should take when the chain is installed. There are… Read More »

FUSO 4M4 – Engine – STRUCTURE AND OPERATION – Valve Mechanism

FUSO 4M4 – Engine – STRUCTURE AND OPERATION – Cylinder Head and Cylinder Head Gasket

2.1 Cylinder head • The arrangement of the intake ports and exhaust ports is of a cross-flow type. The exhaust ports are provided on the right side and the intake ports are provided on the left side of the cylinder head. • Cylinder head bolt (M12) is fastened to the upper crankcase and cylinder head… Read More »

FUSO 4M4 – Engine – STRUCTURE AND OPERATION – Exploded View