The 1963 Mercury 20 HP (Merc 200) is a legendary twin-cylinder outboard motor produced during the golden age of Kiekhaefer Mercury engineering. Known for its sleek design, high power-to-weight ratio, and distinctive exhaust note, this motor remains a favorite among vintage marine enthusiasts and restorers. This technical guide provides a comprehensive overview of the specifications,…
Overview & Specifications The 1961 Mercury 6 HP (Merc 60) is a classic, twin-cylinder two-stroke outboard motor engineered during the golden era of Kiekhaefer Mercury. Renowned for its robust build quality, lightweight design, and smooth power delivery, this motor remains a favorite among vintage marine enthusiasts and collectors today. This model represents a pivotal era…
Technical Guide & Service Manual: 1958 Mercury 22 HP Mark 28 The 1958 Mercury Mark 28 (and its electric-start counterpart, the Mark 28E) represents a high-water mark of mid-century marine engineering. Rated at 22 horsepower, this twin-cylinder, two-stroke outboard motor was marketed by Kiekhaefer Mercury as the ultimate versatile family motor—powerful enough for water skiing,…
1956 Mercury 20 HP Mark 25: Comprehensive Technical Guide The 1956 Kiekhaefer Mercury Mark 25 is an iconic representation of mid-century American marine engineering. Rated at 20 horsepower, this inline two-cylinder outboard motor was prized for its high power-to-weight ratio, exceptional reliability, and aesthetic appeal. Today, it remains a favorite among vintage outboard collectors and…
Technical Guide: 1952 Mercury 10 HP Mark 15 Outboard Motor The 1952 Kiekhaefer Mercury Mark 15 is a legendary piece of American marine engineering. Known as a “Super 10,” this motor was part of the transitional post-war era where Carl Kiekhaefer’s company revolutionized the outboard industry with high-RPM, lightweight, and incredibly durable alternate-firing twins. This…
Introduction The late 1940s marked a golden era for recreational boating, and Kiekhaefer Mercury was at the forefront of this revolution. Introduced in 1949, the Mercury 5 HP “Super 5” (Model KF-5)—which laid the groundwork for the legendary Mark 5 designation—offered unprecedented performance, lightweight design, and engineering innovations that left competitors scrambling. This technical guide…
Introduction The 1962 Mercury 9.8 HP, designated as the Merc 110, is an iconic piece of American marine engineering. Produced by the Kiekhaefer Mercury corporation, this outboard motor is highly regarded by vintage boat enthusiasts for its exceptional power-to-weight ratio, innovative design, and reliability. This guide provides a comprehensive technical overview, tune-up specifications, and historical…