Pistons
| Pistons |
| General data |
|
Piston clearance, nominal
|
mm
|
0,025-0,045
|
|
Measurements
|
||
|
R
|
mm
|
43
|
|
A
|
mm
|
3,45
|
|
ΓΈ
|
mm
|
78,5
|
|
H
|
mm
|
56,45
|
| Piston diameter |
Piston diameter is measured at right angles to the gudgeon pin holes, 16 mm from the bottom of the piston.
| Important | ||
|
New pistons are graphite coated, but the coating is not included in the measurement below. |
||
| Classification codes |
|
Standard
|
||
|
8
|
mm
|
85,945-85,955
|
|
99
|
mm
|
85,955-85,965
|
|
00
|
mm
|
85,965-85,975
|
|
01
|
mm
|
85,975-85,985
|
|
02
|
mm
|
85,985-85,995
|
|
Oversizes
|
||
|
7+0,5
|
mm
|
86,435-86,445
|
|
8+0,5
|
mm
|
86,445-86,455
|
|
9+0,5
|
mm
|
86,455-86,465
|
|
0+0,5
|
mm
|
86,465-86,475
|
| Piston rings |
|
Upper compression ring
|
Lower compression ring
|
Scraper ring
|
||
|
Thickness
|
mm
|
1,478-1,490
|
1,478-1,490
|
3,0
|
|
Working gap in cylinder
|
mm
|
0,30-0,50
|
0,30-0,50
|
0,40-1,40
|
| Gudgeon pin |
|
Diameter
|
mm
|
20,995-21,000
|
|
Gudgeon pin in relation to connecting rod
|
mm
|
Floating bearing
|
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