Lotus Elise S1 Service Notes page 192

K16-Non WC engines fitted with triple angle
valve seats - See illustration M12 5536
K16- VVC engines fitted with triple angle valve
seats - See illustration M12 5536
G
T
J
i
Inlet
A:= 15°
B:= 45°
C:= 60°
0:= 0.4 mm radius
E:= 32.560 to 32.573 mm
F:=s 1.0 to 1.4 mm
G:= 30.2 mm
H:= 32.475 to 32.500 mm
J:= 5.95 to 6.00 mm
K:= 6.1 mm
H
/
/
K
i
/ /
/
M12 5536
Exhaust
A:= 15°
B:= 45°
C:= 60°
D:= 0.4 mm radius
E:= 28.993 to 29.006 mm
F:= 1.4 to 1.8 mm
G:=s 26.23 mm
H:= 28.888 to 28.913 mm
J:= 5.45 to 5.50 mm
K:= 6.54 mm
All engines
Inlet
A:= 15°
B:* 45°
C:» 60°
D:« 0.4 mm radius
E:« 29.560 to 29.573 mm
F:» 1.0 to 1.4 mm
G:= 26.43 mm
H:« 29.475 to 29.500 mm
J:* 5.95 to 6.00 mm
K:*6.16to 6.32 mm
1. Cut valve seat to correct angle and width
2. Lap valve to seat.
Exhaust
A:« 15°
B:* 45°
C:» 60°
D:« 0.4 mm radius
E:» 25.960 to 25.973 mm
F:« 1.4 to 1.8 mm
G:» 22.83 mm
H:» 25.913 to 25.888 mm
J:s 5.45 to 5.80 mm
K:a 5.7 to 5.86 mm
OVERHAUL 5 5