Piston Ring End Gap - Suzuki VZ800 Service Manual

3-42 ENGINE
PISTON RING FREE END GAP AND END GAP
Before installing piston rings, measure the free end gap of each
ring using vernier calipers. Next, fit the ring in the cylinder, and
measure each ring end gap using a thickness gauge.
If any ring has an excess end gap, replace the ring.
 Piston ring free end gap
Service Limit (1st) : 7.7 mm (0.30 in)
(2nd): 9.4 mm (0.37 in)
 Piston ring end gap
Service Limit (1st) : 0.70 mm (0.028 in)
(2nd): 0.70 mm (0.028 in)
 09900-20102: Vernier calipers
09900-20803: Thickness gauge
Oversize piston ring
The following two types of oversize piston rings are used. They
bear the following identification numbers.
SIZE
0.5 mm O.S.
1.0 mm O.S.
Oversize oil ring
The following two types of oversize oil rings are available as
optional parts. They bear the following identification marks.
SIZE
STD
0.5 mm O.S.
1.0 mm O.S.
Oversize side rail
Just measure outside diameter to identify the side rail as there is
no mark or numbers on it.
1st 2nd
50 50
100 100
COLOR
NIL
Painted Red
Painted Yellow
Paint
0.5 mm O.S.
1.0 mm O.S.
Oil ring spacer