3-32 ENGINE
Valve spring free length (IN & EX)
Service Limit: 41.0 mm (1.63 in)
Valve spring tension (IN & EX)
Standard: 236 – 287 N/36.8 mm
(24.1 – 29.3 kgf/36.8 mm,
53.1 – 64.6 kgf/1.45 in)
09900-20101: Vernier calipers
REASSEMBLY
• Install each valve spring seat.
• Apply molybdenum oil solution to each oil seal and press-fit
them into position.
MOLYBDENUM OIL SOLUTION
• Insert the valves, with their stems coated with molybdenum oil
solution all around and along the full stem length without any
break.
MOLYBDENUM OIL SOLUTION
• Install the valve spring with the small-pitch portion A facing
cylinder head.
B Large-pitch portion.
Put on the valve spring retainer using the valve spring compres-
sor, press down the spring, fit the two cotter halves to the stem
end, and release the compressor to allow the cotter 1 to wedge
in between seat and stem. Be sure that the rounded lip 2 of the
cotter fits snugly into the groove 3 in the stem end.
09916-14510: Valve spring compressor
09916-14910: Valve spring compressor attachment
09916-84511: Tweezers
236 – 287 N
36.8 mm
Do not reuse the oil seal.
When inserting each valve, take care not to damage
the lip of the stem seal.
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