Valve, Intake/Exhaust

Valves:
Guide Inside Diameter 6.000-6.012 mm (0.2362-0.2366 inch)
Valve Margin -Intake-Standard 1.0 mm (0.039 inch)
Valve Margin - Intake-Minimum 0.6 mm (0.024 inch)
Valve Margin - Exhaust-Standard 1.2 mm (0.047 inch)
Valve Margin - Exhaust-Minimum 0.7 mm (0.028 inch)
Valve Head Radial Runout-Maximum 0.8 mm (0.003 inch)
Head Angles for Refinishing - Area Above Seat Contact Surface
15 Degrees
Head Angles for Refinishing - Area Below Seat Contact Surface-Exhaust
Valve Only 60 Degrees
Head Angles for Refinishing - Seat Contact Surface 45 Degrees
Head Angles for Refinishing - Face Contact Surface 45 Degrees
Seating Contact Width-Seat 1.1-1.3 mm (0.0433-0.0512 inch)
Seating Contact Width-Face 1.1-1.3 mm (0.0433-0.0512 inch)
Inner Spring Free Length-Standard 36.08 mm (1.4204 inch)
Inner Spring Free Length-Minimum 35.00 mm (1.3780 inch)
Outer Spring Free Length-Standard 40.44 mm (1.5921 inch)
Outer Spring Free Length-Minimum 39.22 mm (1.5441 inch)
Inner Spring Preload-Standard 6.9-7.9 kg at 27.5 mm
(15.2-17.4 lb. at 1.08 inch)
Inner Spring Preload-Minimum 6.2 kg at 27.5 mm
(13.6 lb. at 1.08 inch)
Outer Spring Preload-Standard 15.4-17.8 kg at 31.7 mm
(33.9-39.2 lb. at 1.25 inch)
Outer Spring Preload-Minimum 13.8 kg at 31.7 mm
(30.4 lb. at 1.25 inch)
Spring Side Clearance-Maximum 2.0 mm (0.079 inch)
Stem Outside Diameter - Exhaust Valves 5.940-5.955 mm
(0.2339-0.2344 inch)
Stem Outside Diameter - Intake Valves 5.965-5.980 mm
(0.2348-0.2354 inch)
Stem-to-Guide Clearance - Exhaust Valves-Standard 0.045-0.072 mm
(0.0018-0.0028 inch)
Stem-to-Guide Clearance - Exhaust Valves-Maximum 0.09 mm
(0.0035 inch)
Stem-to-Guide Clearance - Intake Valves-Standard 0.020-0.047 mm
(0.0008-0.0018 inch)
Stem-to-Guide Clearance - Intake Valves-Maximum 0.07 mm
(0.0027 inch)
Valve Guide-Oversize 0.03 mm (0.0012 inch)
Valve Guide Protrusion 13.5 mm (0.53 inch)
Hydraulic Valve Lash Adjuster - Outside Diameter 30.959-30.975 mm
(1.2189-1.2194 inch)
Hydraulic Valve Lash Adjuster - Cylinder Head Bore Diameter
31.000-31.025 mm (1.2205-1.2214 inch)
Hydraulic Valve Lash Adjuster-to-Cylinder Head Oil Clearance-Standard
0.025-0.066 mm (0.0010-0.0025 inch)
Hydraulic Valve Lash Adjuster-to-Cylinder Head Oil Clearance-Maximum
0.015 mm (0.0059 inch)