Honda NSA700A DN-1 2009, Руководство по обслуживанию

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CYLINDER HEAD/VALVE
Do n o t reuse the
re m o ve d s te m seal.
A v o id dom ag;ng the
ga sket surface.
R e m o v e th e v a lv e sp rin g c o m p resso r, th e n re m o v e
the retainer, spring and valve.
R e m o v e th e s te m seal anc sp rin g seat.
S P R IN G SEA T
SPRING
RETAINER
VALVE
S T E M SEAL
R e m o v e th e ca rb o n deposits fro m th e c o m b u s tio n
c h a m b e r an d c lean o ff th e h ead g asket surface.
C heck th e spark plu g hole a n d v a lv e a re a s fo r
cracks.
INSPECTION
CYLINDER HEAD
C heck th e c y lin d e r h ead for w a rp a g e w ith a s tra ig h t
e d g e and fe e le r g a u g e .
SERVICE LIMIT: 0.10 mm (0.004 in)
VALVE SPRING
C heck th e v a lv e sp rin g fo r fa tig u e o r d a m a g e .
M e a s u re th e fre e len g th of each v a lv e sp rin g .
SERVICE LIMIT: IN / EX: 43.9 mm (1.73 in)
C O M B U S T IO N C H A M B E R
9-16