- 45 - MAN-043E ENG
4.9 – MAIN PRESCRIPTIONS
CRANKSHAFT
MATCHING THE PISTON
Diametro sede cuscinetto su un motore nuovo
Refer to the attached table to determine wear status
of the crankshaft halves.
Replace the part when the flow rate of the bearing
is smaller than the original 0.03mm.
ATTENTION:
The replacement must be done every 40 hours for a
use NOT competitive and every 30h for racing use.
ATTENTION
:
Play between piston and the liner must be
0.11÷0.12mm.
If the play is higher than 0.14mm replace the piston.
The replacement of the piston must be done every
20 hours for a use NOT competitive and every 15h for
racing use.
The piston are measured at 17.5mm from bottom.
Size of liner to be matched with piston is marked on top
of piston with a green or red dot or with letter V (green)
or R (red).
If the size on piston top is marked with:
- a green dot or letter V; add 0,01mm to size marked on
the piston to match the liner size.
-a red dot or letter R; add 0,02 mm to size marked on
the piston to match the liner size.
MAX ALLOWED OVALIZATION
OF CON-ROD BIG-END
Max. allowed ovalization between A and B on
new conrod: 0.002mm.
Max. allowed ovalization between A and B on
used conrod: 0.01mm.
The replacement must be done every 40
hours for a use NOT competitive and every 30h for
racing use, or in any case if the ovalizatino
exceeds 0.01 mm (the difference between the
measured diameter in the positions shown below
"A" and "B").
AVERAGE LIFE OTHER COMPONENTS
DESCRIPTION
NO
COMPETITIVE
USE
RACING USE
Big end cage
+ Crankpin
+ Silver Bronze Washer
20 hours
15 hours
Small end cage
+ piston pin
20 hours
15 hours
Crankcase Ball Bearing
+ Oil Seals
20 hours
15 hours
Содержание X30 125cc RL - TaG
Страница 1: ...1 MAN 043E ENG MAN 043E ENG ASSEMBLY INSTRUCTIONS USER MANUAL 125cc RL TaG...
Страница 33: ...31 MAN 043E ENG...
Страница 48: ...46 MAN 043E ENG 5 0 MATCHING PLAYS CONROD LOWER AND UPPER END...
Страница 50: ...48 MAN 043E ENG 5 2 CROSS PATTERN LOCKING ORDER ON CRANKCASE...
Страница 52: ...50 MAN 043E ENG 5 4 FIXING TOOL ON VICE BENCH...
Страница 53: ...51 MAN 043E ENG 5 5 BEARING OIL SEAL ASSEMBLY TOOL DISEGNO S725 1...