This motor is a late 80's early 90's model. When I put it in forward gear and give it some gas, it makes a loud clicking sound like the gears are barely touching each other and the prop barely pushes the boat even at full (almost full) throttle. At first it made this sound and jumped out of gear, then I adjusted the clutch cable to try to pull it further into forward gear but now it just clicks like it's missing. Any ideas? PS - reverse works fine.