Lotus Elise S1 Service Notes page 185

ENGINE
/alves and springs - remove
1.
2.
Support cylinder head clear of valves; use
hollow drift and tap each spring cap to free
collets.
Position cylinder head on its exhaust manifold
face.
A
NOTE: K16 engine: Remove inlet valves
with cylinder head in this position.
180 1519/1
8RM3627
A
NOTE: K16 Non VVC cylinder head
illustrated.
16G 1519
8RM 0075
6. Remove spring cap and valve spring
7. Remove valve.
A
NOTE: K1S Non VVC cylinder head
illustrated.
3. Using tool 18G 1519 and adapter 18G 1519/1,
compress valve spring.
4. Remove 2 collets from valve stem using a
magnet.
5. Remove tool 18G 1519.
4 8 OVERHAUL