Engine Mechanical Specifications

Lobe Lift
Intake: 9.0 mm (0.354 inch)
Exhaust: 8.8 mm (0.356 inch)

Journal
Diameter No. 1: 39.93-39-95 mm (1.5720-1.5728 inch)
Diameter No. 2-5: 34.93-34.95 mm (1.3751-1.3760 inch)
Clearance: 0.050-0.110 mm (0.0019-0.0043 inch)
End Play Clearance: 0.025-0.225 mm (0.0009-0.0088 inch)
Lobe Taper: 0.046-0.083 mm (0.0018-0.0033 inch)
On Diameter in: 14.0 mm (0.5512 inch)

Lifter
Bore I.D.: 33.989-34.019 mm (1.3381-1.33393 inch)
O.D.: 33.959-33.975 mm (1.3369-1.3375 inch)
Lifter to Bore Clearance: 0.016-0.058 mm (0.00006-0.0023 inch)

Lip Seal
Bore I.D.: 49.975-50.025 mm (1.9675-1.9695 inch)
O.D.: 49.975-50.025 mm (1.9675-1.9695 inch)
Cam Carrier Flatness: 0.07 mm (0.0028 inch)
Bottom Max. Within 100.0 mm (3.937 inch): 0.025 mm (0.001 inch)