The 1990 Johnson 15 HP outboard motor is a two-stroke engine renowned for its reliability and performance, making it suitable for small boats and various marine applications. Below are its key specifications and features:
**Engine Specifications:**
- **Engine Type:** Two-stroke, in-line 2-cylinder
- **Horsepower:** 15 HP
- **Starting System:** Manual (rope) start; electric start available on certain models
- **Shaft Length:** 15 inches (short shaft) or 20 inches (long shaft)
- **Weight:** Approximately 70 lbs (32 kg)
- **Fuel System:** Carbureted
- **Ignition System:** Capacitor Discharge Ignition (CDI)
- **Gear Ratio:** 2.42:1
**Notable Features:**
- **Tiller Handle:** Offers straightforward steering and throttle control.
- **Shallow Water Drive:** Allows operation in shallow waters without propeller damage.
- **Thermostat-Controlled Cooling System:** Maintains optimal engine temperature for consistent performance.
- **Fuel Tank:** Typically includes an external fuel tank with a capacity of 6 gallons.