Derbi Dirtboy 10, Руководство по ремонту

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22
I
NSPECTING THE SMALL END
Using an inside micrometer, measure the small end diame-
ter.
N.B.
IF THE DIAMETER OF THE SMALL END IS GREATER THAN
THE MAX ALLOWABLE DIAMETER, OR SHOWS SIGNS OF
WEAR OR OVERHEAT, REPLACE THE CRANKSHAFT.
C
HARACTERISTIC
Standard diameter:
13+0,025+0,015 mm
Max. allowable diameter:
13,030mm
I
NSPECTING THE WRIST PIN
Measure the piston pin outside diameter.
C
HARACTERISTIC
Standard diameter:
13-0 -0,004 mm
Minimum allowable diameter:
12,990 mm
Calculate the mating play between the piston pin and the
piston.
C
HARACTERISTIC
Piston standard diameter:
13+0,010+0,005 mm
Fitting clearance
Wrist-pin/piston fitting clearance (standard): 0,005 - 0,014 mm
S C G S
S C G S
ENGINE EE
- CYLINDER ASSY. AND TIMING SYSTEM
ENGINE
- CYLINDER ASSY. AND TIMING SYSTEM