OMC Stern Drives And Motors 1964-1986 Repair Manual., Page 513Get this manual

APPENDIX

CAMSHAFT Lobe Intake

351 CID 235 HP

240 HP 78 250 HP 79

Exhaust Maxallowable lift loss Theoretical Valve Intake

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives