Ducati MONSTER 821 Workshop Manual page 36

Cylinder/piston
Reference
CYLINDER
Cylinder
nominal
diameter
Max. oval
Max. taper
Diameter Section A
Section B
Section C
Piston-to-bore
clearance
PISTON
Piston nominal
diameter
Diameter Section A
Section B
Section C
CONNECTING ROD
Connecting-rod
big-end
diameter
Crankshaft
class
Big-end bearing A
pairings B
A
B
Big-end bearing-to- Crankpin
crankpin clearance selection
Gudgeon pin–to-piston
clearance
Nominal
diameter
Piston
Standard value
88 mm
In order for the liner to be
conforming, the following conditions
must be true:
88.000 mm ÷ 88.010 mm
88.010 mm ÷ 88.020 mm
88.020 mm ÷ 88.030 mm
0.025 ÷ 0.045 mm
88 mm
87.965 mm ÷ 87.975 mm
87.975 mm ÷ 87.985 mm
87.985 mm ÷ 87.995 mm
43.67 (0 ÷ 0.013) mm
Connecting rod class
A
A
B
B
A: Ø40.025 (+0.016; +0) mm
B: Ø40.025 (+0; -0.016) mm
0.015 ÷ 0.024 mm
Ø 18 mm
Ø 18(+0.020;+0.015) mm
36
Service limit
0.005
0.015
Inspection:
Section A: 10 mm from the
upper edge
Section B: 50 mm from the
upper edge
Section C: 100 mm from the
upper edge
Diam A ≤ Diam B ≤ Diam C
Diam C - Diam A ≤ 0.015 mm
Bearings colour
Blue + Yellow
Yellow + Yellow
Blue + Blue
Blue + Yellow
Ducati Manuals Resource