Lotus Elise S1 Service Notes page 13

Lotus Service Notes
Section TDL
Stem clearance in guide - inlet
- exhaust
- new
- service limit
- new
- service limit
Valve clearance
Valve stem fitted height - new
- service limit
0.033 - 0.063 mm
0.070 mm
0.038 - 0.078 mm
0.110 mm
Hydraulically controlled.
38.93 - 39.84 mm
40.10 mm
VALVE GUIDES
Inside diameter
Fitted height
VALVE SEATS
Seat face angle
6.000 - 6.025 mm
6.0 mm
45°
VALVE SPRINGS
Std
Free length
Fitted length
Load at fitted length
Load at full lift
W C
Free length
Fitted length
Load at fitted length
Load at full lift
50.0 mm
37.0 mm
250±12 N
450 ±18 N
47.6 mm
37.0 mm
210 ±13 N
440 ± 22 N
CRANKSHAFT
Crankshaft endfloat - new
- service limit
Thrust washer thickness
Main journal diameter
Maximum out of round
Big end journal diameter
Maximum out of round
Big end clearance
0.10-0.25 mm
0.34 mm
2.61 -2.65 mm
47.979 - 48.007 mm (for grading see
Section EE)
0.010 mm
47.986 - 48.007 mm (for grading see
Section EE)
0.010.mm
0.021 - 0.049 mm
PISTON RINGS
New ring to groove clearance - top compression 0.040 - 0.072 mm
- second compression 0.030 - 0.062 mm
- oil control 0.010 - 0.180 mm
New ring gap, 20mm from bore top - top compression 0.20 - 0.35 mm
- second compression 0.28 - 0.48 mm
-oil control 0.15-0.40 mm
PISTON
Piston diameter (8mm from bottom, 90° to pin) - grade A 79.975 - 79.990 mm
- grade B 79.991 - 80.005 mm
Clearance in bore (20mm from bottom of bore) 0.01 - 0.04 mm
CYLINDER BLOCK
Cylinder liner bore (65mm from top) - red grade A 80.000 - 80.015 mm
- blue grade B 80.016 - 80.030 mm
4 A A A J 0 9
Paae 3