Float Height Adjustment; Cv Carburetor Drain And Tuning Procedure; Engine Compression Test - Royal Enfield Classic 500 2009 Service Manual

Periodical Maintenance

FLOAT HEIGHT ADJUSTMENT

✰
Remove the float chamber body and
"O" ring.
✰ Hold the mixing chamber body in
inverted position as shown in Fig.
✰
Hold the float so that its tongue just
contacts the spring loaded plunger
of the float needle valve.
✰ With a Vernier Caliper, measure the
height from the mixing chamber
body face to top of the float is 17.1
mm(as shown in Fig.)
✰
If the float height is incorrect,
correct it by bending the float
assembly tongue.
✰ Check the float height again.
NOTE :
After adjustment of float height, please
ensure free movement of float in its pivot
pin.
CV CARBURETOR DRAIN AND
TUNING PROCEDURE
✰
Drain the carburetor before tuning
process.
✰
Set the carburetor pilot screw to 3
full turns out from fully closed
position.
✰ Now, start and warm up the engine
for 2 minutes.
✰ Check for the smooth running of the
Engine.
✰
If erratic turn pilot screw in or out
upto one turn.
✰
Adjust the idling screw until the
engine is smoothly ticking over 1050
+ 200 rpm
✰ Refit the boot to the pilot screw.

ENGINE COMPRESSION TEST

STEP-A
✰ Start and warmup the engine to
normal running temperature.
✰
Remove the spark plug & connect
compression gauge.
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