Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 99Get this manual
Specifications Idle RPM Trolling RPM Wide Open Throttle (WOT) RPM 8.09.9 (BODENSEE) 9.9 Pilot Screw (Turns Out) 8.09.9 (BODENSEE) 9.9 Main Jet Size 8.09.9 (BODENSEE) 9.9 Pilot Jet Enrichener Jet Float Height 950 50 RPM (Out Of Gear) 850 50 50005500 45005500 Not Adjustable 31 #82 #86 #48 .024 (0.61 mm) 0.04 in(25.5 mm)