Valve Cover Installation; Cylinder Compression Measurement - Segway SNARLER ATV 2021 Series Service Manual

ENGINE TOP END ENGINE TOP END
J J
H H
G G

Valve Cover Installation

Valve Cover Installation Valve Cover Installation
F F
◆ Install:
Spark Plug【A】
Dowel Pin 10×14【B】
E E
Valve Cover Seal【C】
Valve Cover【D】
A A
New Isolators【E】
Shoulder Bolts【F】 (using a T40 driver)
D D Oil Fill Cap Seal【G】
O-Ring 22×3【H】
Oil Fill Cap【J】
C C
◆ Tighten:
B B
Torque

Cylinder Compression Measurement

Cylinder Compression Measurement
NOTE NOTE
Use the battery which is fully charged
◆ Warm up the engine thoroughly, and stop the
engine.
◆ Remove the spark plug (see Electrical System
chapter).
◆ Attach the compression gauge and adapter firmly
into the spark plug hole.
◆ Special Tools - Compression Gauge，
◆ Hold the throttle wide open and crank the engine
with the electric starter several times.
○ When the gauge stops rising, stop cranking and
read the gauge.
Cylinder Compression (Usable Range)
Electric
Starter:
3-5-40
Shoulder Bolts [F]
9.8 N•m (1.0kgf•m, 87in•lb)
Spark Plug [A]
11 N • m (1.1 kgf • m, 97 in • lb)
Compression Gauge Adapter,M10×1.0
450 ~ 700 kPa (4.7~7.2 kgf/cm², 65~102 psi) @
300r/min (rpm)