Honda Prelude 1993 Service Manual page 183

Valve Clearance
Adjustment
NOTE:
. Valves should be adjusted cold when the cylinder head
temperature is less than 1oOoF (38oC).
. After adjusting, retorque the crankshaft pu ey bolt to
22O N.m (22.O kg-m, 159 lb-ft).
1. Remove the cvlinder head cover.
INTAKE
2.
Set No.l piston at TDC. "f"
marks on the
should be at top. and TDC grooves on the
should align with cylinder heads surface.
Number 1 piston at TDC:
pulleys
pulleys
TDC MARKS
Align the marks
on the pulleys
3. Adjust valves on No.1 cylinder.
Valve Cloalance:
Intaks: O.15-0.19 mm {0.0O6-0.O07 in}
Exhaust: O.17-0.21 mm (O.O07-O.OO8 in)
4.
Loosen locknut and turn adjusting screw until feeler
gauge slides back and fonh with slight amount of drag.
TAPPET ADJUSTER
o7MAA-PR70'110
20 N.m (2.O kg'm,
WRENCH
14 tb-ft) oTMAA-PR70120
Tighten the locknut and check clearance again. Repeat
adjustment it necessary.
(cont'dl
FEELEN GAUGE
6 - 1 1 5