1999 Mercury Gear Ratios

2.5 HP 2-Stroke 1 models, 1 listed ratios 3.3 HP 2-Stroke 2 models, 1 listed ratios 4 HP 2-Stroke 1 models, 1 listed ratios 4 HP FourStroke 1 models, 1 listed ratios 5 HP 2-Stroke 1 models, 1 listed ratios 5 HP FourStroke 1 models, 1 listed ratios 6 HP 2-Stroke 1 models, 1 listed ratios 6 HP FourStroke 1 models, 1 listed ratios 8 HP 2-Stroke 2 models, 1 listed ratios 8 HP FourStroke 1 models, 1 listed ratios 9.9 HP 2-Stroke 4 models, 1 listed ratios 9.9 HP BigFoot / ProKicker 1 models, 1 listed ratios 9.9 HP FourStroke 1 models, 1 listed ratios 13.5 HP 2 models, 2 listed ratios 15 HP 2-Stroke 3 models, 1 listed ratios 15 HP FourStroke 1 models, 1 listed ratios 15 HP Marathon XD 1 models, 1 listed ratios 15 HP SeaPro 1 models, 1 listed ratios 20 HP 2-Stroke 1 models, 1 listed ratios 25 HP 2-Stroke 1 models, 1 listed ratios 25 HP BigFoot FourStroke 1 models, 1 listed ratios 25 HP Marathon 1 models, 1 listed ratios 30 HP 2-Stroke 1 models, 1 listed ratios 30 HP EFI FourStroke 1 models, 1 listed ratios 40 HP 2-Stroke 1 models, 1 listed ratios 40 HP FourStroke 1 models, 1 listed ratios 50 HP 2-Stroke 1 models, 1 listed ratios 50 HP EFI 2-Stroke 2 models, 1 listed ratios 50 HP FourStroke 1 models, 1 listed ratios 50 HP FourStroke BigFoot / Command Thrust 1 models, 1 listed ratios 55 HP 3-Cylinder 1 models, 1 listed ratios 60 HP 2-Stroke 1 models, 1 listed ratios 60 HP SeaPro / Marathon 2-Stroke 1 models, 2 listed ratios 75 HP 3-Cylinder 2-Stroke 1 models, 1 listed ratios 90 HP 3-Cylinder 2-Stroke 1 models, 1 listed ratios 100 HP 4-Cylinder 2-Stroke 2 models, 2 listed ratios 115 HP 4-Cylinder 2-Stroke 2 models, 2 listed ratios 125 HP 4-Cylinder 2-Stroke 2 models, 2 listed ratios 135 HP DFI / OptiMax 1 models, 1 listed ratios 150 HP EFI / XRI 2-Stroke 1 models, 1 listed ratios 150 HP V6 / XR6 2-Stroke 1 models, 2 listed ratios 175 HP V6 2-Stroke 1 models, 1 listed ratios 200 HP DFI / OptiMax 3.0L 1 models, 1 listed ratios 200 HP V6 / EFI 2.5L 1 models, 1 listed ratios 225 HP DFI / OptiMax 1 models, 1 listed ratios 225 HP EFI 3.0L 1 models, 1 listed ratios 250 HP EFI / XB 3.0L 1 models, 1 listed ratios