mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Valve, Intake/Exhaust|Testing and Inspection > < Valve Spring|Specifications|Page 1101
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Valve: Specifications

Valve clearance ..........................................................................................................................................................................  0.15 mm (0.0059 in) max
Margin thickness

IN ................................................................................................................................................................................  0.75-1.25 mm (0.030-0.049 in)
EX ...................................................................................................................................................................................  1.2-1.8 mm (0.048-0.070 in)

Valve Length

Standard

IN ......................................................................................................................................................................................  121.31 mm (4.7760 in)
EX .....................................................................................................................................................................................  122.63 mm (4.8279 in)

Minimum

IN ......................................................................................................................................................................................  120.91 mm (4.7602 in)
EX .....................................................................................................................................................................................  122.23 mm (4.8122 in)

Valve Stem Diameter

IN ........................................................................................................................................................................  6.970-6.985 mm (0.2745-0.2750 in)
EX .......................................................................................................................................................................  8.025-8.040 mm (0.3160-0.3165 in)

Valve Stem to Guide Clearance

IN ........................................................................................................................................................................  0.025-0.060 mm (0.0010-0.0023 in)
EX .......................................................................................................................................................................  0.030-0.065 mm (0.0012-0.0025 in)
Maximum ......................................................................................................................................................................................  0.20 mm (0.008 in)

Valve, Intake/Exhaust|Testing and Inspection > < Valve Spring|Specifications|Page 1101