Yamaha Outboard Jets – The 2025 115 HP Model

The 2025 Yamaha Jet Drive 115 hp delivers power and versatility for any watercraft that demands confidence in shallow, rocky or rapid waters. Unlike traditional propeller outboards, a jet drive keeps the hull clear of obstructions, reducing blade damage and allowing navigation over rocks, shoals and rapids.

Powerful 1.8‑Liter Engine

• Compact inline four with DOHC design – 16 valves for smooth performance
• Produces up to 80 hp at the pump, ideal for deck boats and deep‑V hulls on challenging rivers
• Lightweight construction (377 lb) keeps trim simple while offering robust acceleration

Fuel Efficiency & Engine Management

• Multi‑point electronic fuel injection delivers precise fueling for optimal power and economy
• Tuning microcomputer adjusts ignition timing to maintain peak performance in every condition

Maneuverability Without a Propeller

• No gearcase or prop extends below the hull – pass over rocks, cut through shallow water with ease
• Jet nozzle exhaust keeps the engine protected from debris and corrosion

User‑Friendly Controls

• Optional ergonomic multi‑function tiller handle offers throttle, shift lever, key switch, stop switch and power trim/tilt controls in one grip
• Smooth transition from idle to full throttle minimizes operator fatigue for long days on the water

• Freshwater flush device allows engine cleaning without running it, extending service life
• Direct drive gear ratio eliminates complex gearing – forward, neutral and reverse are simple to shift
• Standard 35‑amp alternator powers accessories while the boat is underway

• Shaft length: Fits a 25‑inch transom for optimal placement on medium‐size boats
• Tilt range: Up to 70°; trim angle from –4° to +16° for precise control of water flow and thrust direction
• Fuel system: Compatible with up to 10% ethanol, recommended octane 87 gasoline and Yamaha’s external fuel/water separator filter
• Warranty: Limited two‑year pleasure warranty plus government coverage; one year commercial coverage

The 2025 Yamaha Jet Drive 115 hp is engineered for adventurers who need reliable power without the limitations of a traditional propeller. Its combination of lightweight design, efficient fuel use and superior maneuverability makes it an ideal choice for shallow‑water exploration, white‑water adventures or any situation where freedom on the water matters most.