mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Valve, Intake/Exhaust|Specifications|Page 1296 > < Valve Spring|Specifications|Page 1292
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Valve: Specifications

Valve Stem To Guide Clearance:

Intake ........................................................................................................................................................................................................  0.0008 - 0.0025
Exhaust .....................................................................................................................................................................................................  0.0018 - 0.0035
Service Clearance ....................................................................................................................................................................................................  0.0055

Valve Head Diameter:

Intake .................................................................................................................................................................................................  43.5 mm (1.71 inch)
Exhaust ..............................................................................................................................................................................................  34.5 mm (1.36 inch)

Valve Face Runout Limit .....................................................................................................................................................................................  0.002 Max.
Valve Face Angle .............................................................................................................................................................................................................  44°

Valve Stem Diameter:

Standard:

Intake ..................................................................................................................................................................................................  0.3159 - 0.3167
Exhaust ...............................................................................................................................................................................................  0.3149 - 0.3235

0.008 Oversize:

Intake ..................................................................................................................................................................................................  0.3239 - 0.3245
Exhaust ...............................................................................................................................................................................................  0.3228 - 0.3235

0.016 Oversize:

Intake ..................................................................................................................................................................................................  0.3318 - 0.3324
Exhaust ...............................................................................................................................................................................................  0.3307 - 0.3314

 

Valve, Intake/Exhaust|Specifications|Page 1296 > < Valve Spring|Specifications|Page 1292