Illustration 1 | g00471973 |
Cylinder and valve location (A) Inlet valve (B) Gas admission valve (C) Exhaust valve |
Number and arrangement of cylinders ... 50 degree Vee 12
Valves per cylinder
- Inlet valves ... 2
- Exhaust valves ... 2
- Gas admission valve ... 1
Bore ... 300 mm (11.8 inch)
Stroke ... 300 mm (11.8 inch)
Displacement ... 254.5 L (15,525 cu in)
Compression ratio ... 9.2:1
Compression ratio ... 11:1
Combustion ... Spark ignited
Firing order
- Standard rotation CCW ... 1-12-9-4-5-8-11-2-3-10-7-6
Valve lash
- Inlet valve ... 0.50 mm (0.020 inch)
- Exhaust valve ... 1.27 mm (0.050 inch)
- Gas admission valve ... 0.64 mm (0.025 inch)
When the crankshaft is viewed from the flywheel end the crankshaft rotates in the following direction. ... Counterclockwise
Note: The front end of the engine is opposite the flywheel end of the engine. The left and the right side of the engine are determined from the flywheel end. The number 1 cylinder is the front cylinder on the right side. The number 2 cylinder is the front cylinder on the left side.