Lotus Elise S1 Service Notes page 167

ENGINE
12. Remove bolt securing camshaft sensor to
camshaft cover, withdraw sensor.
13. Remove and discard 'O' ring.
14. Release harness from clip.
15. Position harness aside.
camshaft carrier, remove bracket.
All cylinder heads
17. Remove any debris from spark plug recesses,
remove 4 spark plugs.
18. Progressively slacken then remove 15 bolts
securing camshaft cover.
19. Remove camshaft cover, remove and discard
gasket.
20. Check and record crankshaft end-float.
8RM 0740
21. Using sequence shown, progressively slacken
cylinder head bolts 1 to 6.
A
NOTE: It will be necessary to carry out the
following operations in order to remove
the remaining bolts.
3 0 OVERHAUL