wsm L3301 Workshop Manual page 227

L3301, L3901, L4701, WSM
Replacement of Valve Guide
(When removing)
1. Press out the used valve guide with the valve guide replacing
tool. (See page G-83.)
(When installing)
1. Clean the new valve guide and valve guide bore, and apply
engine oil to them.
2. Press fit the new valve guide with the valve guide replacing tool.
3. Ream accurately the I.D. of the valve guide to the specified
dimension.
Valve guide I.D.
Factory specification
(Intake and exhaust)
IMPORTANT
• Do not hit the valve guide with a hammer during
replacement.
(A) When Removing
Valve Seating
1. Apply a thin layer of Prussian Blue on the valve face. Then put
the valve on its seat to check the contact.
2. If the valve is not fully around the seat or the contact is less than
70 % of the factory specification, correct the valve seat. See the
next section.
3. If the valve contact width cannot get the factory specification,
replace the valve or correct the contact of the valve seat.
Valve contact width Factory specification
(1) Correct
(2) Incorrect
1-S64
ENGINE
8.015 to 8.030 mm
0.3156 to 0.3161 in.
(B) When Installing
9Y1211012ENS0075US0
2.12 mm
0.0835 in.
(3) Incorrect
9Y1211012ENS0076US0
KiSC issued 09, 2016 A