Piston Ring End Gap - Segway SNARLER ATV 2021 Series Service Manual

A A
B B
If any of the measurements is less than the service limit
on either of the rings, replace all the rings.
CAUTION CAUTION
When using new rings in a used piston, check for
uneven groove wear. The rings should fit perfectly
parallel to the groove sides. If not, replace the piston.

Piston Ring End Gap

Piston Ring End Gap
Place the piston ring【A】inside the cylinder, using
◆
the piston to locate the ring squarely in place. Set it
close to the bottom of the cylinder, where cylinder
wear is low.
◆ Measure the gap [B] between the ends of the ring
with a thickness gauge.
Piston Ring End Gap
Standard
0.20 ~ 0.35 mm
Top:
(0.0079" ~ 0.0138")
0.35 ~ 0.55 mm
Second:
(0.0138" ~ 0.0217")
0.20 ~ 0.70 mm
Oil:
(0.0079" ~ 0.0276")
If the end gap of either ring is greater than the service
limit, replace all the rings.
3-5-33
ENGINE TOP END ENGINE TOP END
Service Limit
0.5mm
(0.0197")
0.7mm
(0.0276")
0.9mm
(0.0354")