Lotus Esprit Series - Flywheel; Connecting Rod; Gudgeon (Piston) Pin; Piston and Liner

TECHNICAL DATA
Page 7
CRANKSHAFT (cont.)
End flwt
- Controlled by
Selective thrust washers on rear main bearing
Bearings (main)
- Number 5
- TYP~
Steel backed, leaded bronze
- Static clearance* .025/.075 mm (0.0010/0.0030 ins)
Max. undersize for
regrind .508 mm (.02 in)
* Bearing clearance is measured with Plastigage.
FLYWHEEL
Max. run
- out (lateral) .l01 mm (. 004 in)
T
Starter ring gear - Run - out - Lateral .406 mm
(.016 in)
- Radial .l52 mm (.006 in)
CONNECTING
ROD
Type
I I
I section
. ~
..&.
>,. Material
Steel forging
., ..
. ,. -
'.,'I:'~~Distance : . . .:.,. between centres
(139.7 mm
(5.5 in)
+ .0254 mm (.001 in)
.,*.,fi.- . ,.
-
, ..
:..,.,?5<.
,,..
. ~
%rings (big end) - Type
Steel backed, leaded bronze
- Static clearance* .0254/.0813 mm (.001/.0032 in)
- End float on crankpin .1016/.254 mm (.004/.010 in)
Small end bore (bushed)
25.405/25.410 mm (1.0002/1 .Q004 in)
'1
Permissible weight variation between rods 2 grammes in any set
* Bearing clearance is measured with Plastigage.
GUDGEON (PISTON) PIN
Type
Location
Diameter
Class of fit
PISTON AND LINER
Piston
- Type
- Material
Fully
floating
Circlips
25.40 mm (1
.OO in)
Finger push
at 20'~ (68'~)
Solid skirt
Aluminium alloy
ESPRIT
Issue 04/78