Valve, Intake/Exhaust

Valves
Guide Inside Diameter 6.000-6.012 mm (0.2362-0.2367 inch)
Valve Margin -Intake-Standard 1.0 mm (0.039 inch)
Valve Margin - Intake-Minimum 0.6 mm (0.023 inch)
Valve Margin - Exhaust-Standard 1.2 mm (0.047 inch)
Valve Margin - Exhaust-Minimum 0.7 mm (0.027 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 5.9 kg at 27.5 mm
(13.0 lb. at 1.08 inch)
Inner Spring Side Clearance-Maximum 1.6 mm (0.063 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 13.3 kg at 31.7 mm (30.0 lb. at 1.25 inch)
Outer Spring Side Clearance-Maximum 1.8 mm (0.070 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)
Lifter - Outside Diameter 30.959-30.975 mm (1.2188-1.2194 inch)
Lifter - Cylinder Head Bore Diameter 31.000-31.025 mm (1.2205-1.221i inch)
Lifter-to-Cylinder Head Oil Clearance-Standard 0.025-0.066 mm
(0.0010-0.0025 inch)
Lifter-to-Cylinder Head Oil Clearance-Maximum 0.015 mm (0.0059 in)