STIHL MotoMix has a high octane rating and ensures that you always use the right gasoline/oil mix ratio. STIHL MotoMix uses STIHL HP Ultra two-stroke engine oilESPECIFICACIONES DEL MOTOR PARA 507N8B [Force] · Service Manuals · Owner's manuals · Service Bulletins. Amazon.com: Clymer Force Outboard Shop Manual: 4-150 HP, Includes L-drives, 1984-1999 (CLYMER MARINE REPAIR): 9780892877324: Penton Staff: Libros. View online or download Mercury 90 User Manual, Manual. Boat Horsepower Capacity 50. Direct Voltage Adapter (DVA) Tests. 50. 1995 Force Outboards 40/50 HP Models Service Manual P/N 90-828821 Chrysler / Force Outboard Motor Repair Manual 3-150 HP 1962-1999. L 1 272.55. Please always keep this manual together with the outboard motor as a reference 50. D. 2. E. P. T. O. L. Model description. Horse power. Product genera-.