1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 119Get this manual
FUEL DELIVERY SYSTEM
WMC Carburetor Specifications
MAIN JET MODEL 9.9 XR10 Mag 10 CARB
0 5000 ft (0 1524m)
5000 7500 ft (1524 2286m)
7500 10000 ft (1524 3048m)
FLOAT LEVEL
25.4mm (1 in 25.4mm (1 in 25.4mm (1 in 25.4mm (1 in 25.4mm (1 in 25.4mm (1 in
IDLE MIX
1-38 14 1-38 14
Seapro Marathon WMC-42 10 15