Refitting Crankshaft Pág - Derbi Dirtboy 10 Workshop Manual

E E ENGINE
E N G I N E
R R
EFITTING THE CRANKSHAFT EFITTING THE CRANKSHAFT
- Check the connecting rod axial play.
- While holding the crankshaft manually, check the connec-
ting rod radial play. Measure the play with a comparator pla-
ced on the tip of the connecting rod small end while moving
the connecting rod vertically as shown in the figure.
- Check that the surface of both crankshaft halves is not sco-
red. Using a calliper, measure the width of the crankshaft as
shown in the figure.
C
HARACTERISTIC
Standard crankshaft width:
Fitting clearance
45 mm
Standard axial clearance:
0,15-0,30 mm
Standard radial clearance:
0,006 - 0,018 mm
Max allowable radial clearance:
0,25 mm
41
- CRANKCASE - CRANKSHAFT
- CR ANKCASE - CRAN KS HAFT