Valve Clearance Adjustment - Segway SNARLER ATV 2021 Series Service Manual

Timing View For Camshafts
Timing View For Sprockets
D D
B B
A A
C C
A A

Valve Clearance Adjustment

IMPORTANT： ： IMPORTANT
Always inspect valve clearance prior to
camshaft installation or fi nal engine assembly.
◆ Camshaft installation installation (See the Camshaft Installation
/ Timing) / Timing
◆ Camshaft Carrier installation (See the Camshaft
Installation / Timing Installation / Timing)
◆ Rotate the camshaft until the cam lobes【C】and
【D】above the valves you are inspecting are facing
up.
◆ Measure the valve clearance【A】and【B】using a
thickness (feeler) gauge. Record the measurement if
clearance is out of specifi cation.
◆ Repeat the above steps until all four valves have
been inspected.
Measurement Valve Clearance (cold)
Exhaust: 0.2 ~ 0.3mm (0.0080" ~ 0.0120")
Inlet: 0.1 ~ 0.2mm (0.0040" ~ 0.0080")
If any of the valve clearance measurements are out
of specification, remove the camshaft carriers and
camshafts and proceed with this procedure.
CAUTION CAUTION
If all valve clearance measurements are within
specifi cation, remove the camshaft carriers and proceed
to Camshaft Installation
◆ Remove the valve tappet from a valve that was out
of specifi cation.
CAUTION CAUTION
Keep mated parts together and in order with respect
to their location in the cylinder head for assembly
purposes. Mark each component or place them in an
organized rack as you remove them.
3-5-37
ENGINE TOP END ENGINE TOP END
Camshaft Installation
Camshaft