F510 & F525 Cylinder Head and Valves – INSPECT VALVE GUIDES

1. Clean inside of valve guides with valve guide cleaner.
2. Measure inside diameter of valve guides or bushings.
Replace bushing if inside diameter is greater than specifications. (See Replace Valve Guide Bushings in this group.)
VALVE GUIDE I.D. SPECIFICATIONS
Item
New Parts
Wear Limit
Intake and Exhaust . . . . . 7.000-7.015 mm . . . . . . . . 7.07 mm
(0.2756-0.2762 in.) . . . . . . (0.278 in.)
Intake valve to guide
clearance . . . . . . . . . . . . 0.013-0.043 mm
(0.0005-0.0017 in.)
Exhaust valve to guide
clearance . . . . . . . . . . . . 0.020-0.050 mm
(0.0008-0.0020 in.)

04. June 2021 by samuel07042012
Categories: F510-F525 | Leave a comment

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