Lotus Elise Service Notes page 515

XA.14 - STAGE 2 (135 BHP) ENGINE TUNE UP KIT - A/B111E6215S
This kit comprises a reworked cylinder head assembly and cast alloy intake manifold and plenum. It is
designed to be used in conjunction with the competition silencer (A111S0037S), and for track use, with the cata-
lyst replacement pipe (A111S0048S). Cars fitted with an aluminium boot bulkhead will also require this item
changing for a reprofiled version supplied in the kit. A modified engine cover lid in composite material is available
to clear the new intake plenum, but it is possible to trim/modify the existing aluminium lid to fit.
A running change made to the cam belt tensioner mechanism on the Rover K16 engine requires that
cylinder heads with different belt tensioner machining details are used. On engines with serial numbers prior to
153993, kit A111E6215S should be used, with later engines using B111E6215S.
Contents of Stage 2 Kit Qty
Cylinder Head Assembly 1
Inlet camshaft 1
Exhaust camshaft 1
Camshaft oil seal 4
Cam cover gasket 1
Cylinder head gasket 1
Blanking plate/vac. spigot 1
Inlet manifold stud 2
Exhaust manifold stud 5
Inlet manifold gasket 1
Exhaust manifold gasket 1
Upper/lower manifold gasket 1
Screw 5
Manifold support strut 1
Screw 1
Screw 1
Spark plug 4
Spark plug cover (green) 1
Modified inlet manifold upper 1
Inlet manifold lower 1
Screw, upper to lower manifold 5
Adaptor, AIT sensor 1
Water outlet elbow gasket 1
Fuel return pipe 1
Boot bulkhead 1
1. Check parts supplied against above list.
2. Refer to Elise Service Notes manual section EE, and remove the cylinder head. If the car is fitted with an
aluminium boot bulkhead, remove the bulkhead.
3. Remove from the old cylinder head the plastic inlet manifold assembly.
4. From the plastic inlet manifold assembly, remove the following components for re-use:
comprising:
Cylinder head
Cam cover
Cam cover bolts
Tappets
Valve spring cap
Valve stem seal
Valve spring
Modified inlet valve
Modified exhaust valve
Valve collets
1
15
16
16
16
16
8
8
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