This is the most complete Service Repair Manual for Mercury Outboard 40 45 50/50 Bigfoot 4-stroke.This Service Manual has easy-to-read text sections with high quality diagrams and instructions.This is a must for the Do-It-Yourselfer.You will not be dissatisfied. Models Covered: 40/45/50/50 Bigfoot (4-Stroke) With Starting Serial Numbers: United States 0G231123 Service Repair Manual Covers: Section 1 Inportant Information *Specifications *Maintenance *General Information *OutBoard Motor Installation Section 2 Electrical *Ignition *Charging & Starting System *Timing,Synchronizing & Adjusting *Wiring Diagrams Section 3 Fuel System *Fuel Pump *Carburetor *Emissions Section 4 Powerhead *Cylinder Head *Cylinder Block/Crankcase *Lubrication Section 5 Mid Section *Clamp/Swivel Brackets & Drive Shaft Housing *Power Trim(1998 And Earlier Non-Bigfoot) *Power Trim(1999 And Later Non-Bigfoot/All Big-Foot Model years) *Manual Tilt Assist Section 6 Lower Unit *Non-Bigfoot Housing *Bigfoot Gear Housing section 7 Attachments/Control Linkage *Throttle/Shift Linkage *Tiller Handle File Format: PDF Compatible: All Versions of Windows & Mac Language: English Requirements: Adobe PDF Reader & Winzip * Instant Download * No Shipping Cost * No Need To Wait For A CD-ROM Save time and money by doing your own repairs! The manual make it easy for any skill level with this very easy to follow, step-by-step instructions! All pages are printable. Looking for some other Service Repair Manual, please check: Thanks for visiting this page!