Lotus Elise S1 Service Notes page 232

ENGINE
C y l i n d e r l i n e r s - i n s p e c t i o n Later 1.8 e n g i n e s o n l y
1. Measure wear and taper in two axes 65 mm
Irom top of cylinder liner bore.
1.1 a n d 1.4:
RED grade A = 74.970 to 74.985 mm
BLUE grade B = 74.986 to 75.000 mm
1.6 a n d 1.8:
RED grade A = 80.000 to 80.015 mm
BLUE grade B = 80.016 to 80.030 mm
Service liners are grade A and B.
Cylinder liner grade A or B together with the
appropriate colour code will be found marked
on outside diameter of liner.
~ C A U T I O N : C y l i n d e r l i n e r s w i t h e x c e s s i v e l y
/ j \ g l a z e d , w o r n , s c r a t c h e d o r s c o r e d b o r e s
m u s t b e r e p l a c e d , d o n o t a t t e m p t t o h o n e
o r r e m o v e g l a z i n g f r o m b o r e .
• A / B - C y l i n d e r l i n e r b o r e / g r a d e
• V/Z - C y l i n d e r l i n e r s t e p h e i g h t
A
NOTE: Cylinder liners fitted to later 1.8
engines have their step heights g r a d e d on
production. The step heights, V or Z
together with the liner part number and colour
code are marked on the outside diameter of the
liner. If cylinder liner(s) are to be replaced, the
replacement liner(s) must have the s a m e step
height as the original liner(s). Both step heights
are available in red and blue grades of liner.
OVERHAUL 9 5