Engine Oil/Oil Filter; Decompressor System (After 07); Oil Level Inspection - Honda CRF450X 2005 Service Manual

Insert a feeler gauge (r ight exhaust valve clearance
+ 0.35 mm (O.014 in)) between the adjuster and right
side rocker arm.
Loosen the lock nut and turn the adjuster until there
is a slight drag on the feeler gauge.
Hold the adjuster and tighten the lock nut.
TORQUE: 10 N -m (1.0 kgf-m . 7 tbf.ft)
Recheck the decompressor clearance.
Install the fo ll owing:
- Crankshaft hole cap (page 9-39)
- Cyl i nder head cover (page 9-42)
DECOMPRESSOR SYSTEM (After '07)
Remove the cyl i nde r head cove r (page 9-7).
Make sure of the plunger operation using the fol -
lowing procedure:
,. Move the decompressor weight outwa rd with
your finge r.
- The plunger operation is normal if it is
retracted.
2. Release the decompressor weight.
- The decompressor weight shou ld move inward
automatically.
- T he plunger ope ration is normal if it is pro-
truded.
ENGINE OIL/OIL FILTER
Orher
viscosities
shown
in
rhe eIlan
may
be
used when
the average
temperature
in
your
riding area
IS within
the mdlcared range.
OIL LEVEL INSPECTION
St art th e engine and let it idle for 3 minutes.
Stop the engine and wait 3 m inutes.
Support the motorcycle u pright on a level surface.
Remove the oi l fille r cap/dipstick and wipe the oil
with
a
clean cloth.
Insert the dipstick without screwing it in, remove it
and check the oil level.
If the oil level is below or near the lower level line
on the dipstick, add the recommended engine oil to
the upper level line through the oil filler hole.
Add the recommended engine o il to the upper level
line.
RECOMMENDED ENGINE OIL:
Pro Honda GN4 4·stroke oil (U.S.A . and Canada) or
equ ival ent motor oil
API s ervice classification : SG or Higher
JASO T 903 standard: MA
Viscosity: SAE 10W·30
OIL CAPACITY:
0.67 liter (0.71 US qt, 0.59 Imp qt) at draining
0.70 liter (0.74 US qt, 0.62 Imp qtl at oil filter change
Install the oil filler cap/dipstick.
MAINTENANCE
4-19