2004 YAMAHA WR 250F lug pattern

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Page 402 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 77
ENGCYLINDER HEAD
INSPECTION
Cylinder head
1. Eliminate:
Carbon deposits 
(from the combustion cham-
bers)
Use a rounded scraper.
NOTE:Do not use a sharp instrument to
avoid damaging or scratch