Derbi Dirtboy 10 Workshop Manual page 26

E E ENGINE
E NG I N E
N.B.
BEFORE REPLACING THE PISTON RINGS ONLY, ENSURE
THAT THE CLEARANCE BETWEEN THE PISTON RINGS AND
THE PISTON RING GROOVES, AND BETWEEN THE PISTON
AND THE CYLINDER, IS AS SPECIFIED. IN ANY CASE, NEW
PISTON RINGS USED IN COMBINATION WITH A USED CYL-
INDER MAY HAVE DIFFERENT BEDDING CONDITIONS THAN
THE STANDARD.
S
TANDARD GAP
NAME
1º Ring
2º Ring
Scraper
M
AXIMUM GAP
NAME
1º Ring
2º Ring
Scraper
26
- CYLINDER ASSY. AND TIMING SYSTEM
- CYLI ND ER A S SY. A N D T IMIN G SYST E M
DIMENSIONS
0,08 ÷ 0,20 mm
0,05 ÷ 0,20 mm
0,20 ÷ 0,70 mm
DIMENSIONS
0,35 mm
0,30 mm
0,8 mm
QUANTITY
INITIALS
INITIALS QUANTITY