Honda BF35A-BF45A Outboard Motors Shop Manual., Page 107Get this manual
INSPECTION VALVE SPRING FREE LENGTH
Measure the free length of the valve springs
-1 STANDARD 1 rnm (1.45in) -36.9
SERVICE LIMIT
35-4 (1.39 in)
Replace the springs they are shorter than the service limit
VALVE STEM O.DInspect each valve for face irregularities, bending or abnormal stem wearReplace the valve if necessaryMeasure and record each valve stem 0.DSTANDARD SERVICE LIMIT
5.480- 5.490m (0.21 57-0.21 61 in) 5.460- 5.470 mm (0.21 5O-O.2l54 in)
5.45in) 25 5.42 (0.213 in)
Replace the valves if their 0.Dis smaller than the service limit
VALVE GUIDE I.DNOTE Ream the valve guides to remove any carbon deposits before measuringMeasure and record each valve guide I.D
STANDARD
SERVICE LIMIT
(0.2165-0.2170 in)