2000-2005 Yamaha F40B Outboard Service Manual, Page 125Get this manual
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GENERALITES
Serrer: Bougies Bougie 17,2 Nm (1,7 m' kgf, 13 ft Ib)
Festziehen: ZU ndkerzen Zundkerze 17,2 Nm (1,7 kgf, 13 ft Ib)
Buji'a 17,2 Nm (1,7 kgf, 13 ft Ib