Used 2025 Yamaha 100 HP 4-Stroke Injection Extra Long Shaft Power Trim Jet Drive Outboard Motor – Excellent Condition

Powerful, High-Performance Jet Drive Power for Your Boat

Get on the water with this well-maintained 2025 Yamaha 100 HP 4-Stroke Injection Extra Long Shaft Power Trim Jet Drive outboard motor. This engine is in excellent condition, having been regularly used and properly maintained. Originally rated at 100 HP but computer-detuned to 80 HP for versatility. Perfect for jet boats, shallow-water operation, personal watercraft tenders, and vessels requiring jet drive performance.

Key Features

• 4-Stroke Fuel Injection Technology: Yamaha’s advanced 4-stroke electronic fuel injection (EFI) design delivers precise power delivery, superior fuel efficiency, cleaner emissions, and smoother operation compared to carbureted engines.
• 100 HP (Detuned to 80 HP): Originally 100 HP engine, computer-detuned to 80 HP for versatility and fuel economy. Ideal power output for medium-sized boats (up to 4,000 lbs capacity).
• Extra Long Shaft (25 inches): Perfectly sized for boats with a 25+ inch transom height. Ensures proper propeller/jet depth and optimal performance.
• Jet Drive System: Jet propulsion instead of propeller — perfect for shallow water operation, no risk of propeller strike, ideal for rivers, reefs, and sandy bottoms.
• Power Trim & Tilt: Electrically adjusted trim and tilt for optimal performance, easy shallow-water operation, and quick transom removal.
• Electric Start: Convenient push-button electric starting with battery (battery required).
• Lightweight & Compact: Advanced engineering makes this jet drive lighter than comparable models.

Condition: Excellent

This 2025 Yamaha 100 HP Jet Drive is in excellent condition:

• ✅ Regular use — no major issues
• ✅ Minor cosmetic wear (normal for use)
• ✅ No corrosion or structural damage
• ✅ Starts and runs smoothly
• ✅ All original components functional
• ✅ Properly maintained with regular service
• ✅ Clean internal engine and jet pump
• ✅ Computer detune verified (80 HP output)
• ✅ Ready to mount and use immediately

Technical Specifications

Feature	Specification
Model Year	2025
Horsepower	100 HP (detuned to 80 HP via computer)
Engine Type	4-Stroke, Electronic Fuel Injection (EFI), SOHC
Displacement	1,050 cc (approx.)
Shaft Length	25 inches (63 cm) – Extra Long Shaft
Starting System	Electric Start (12V battery required)
Fuel System	Electronic Fuel Injection (EFI)
Fuel Type	Regular Unleaded Gasoline (no oil mixing)
Drive Type	Jet Drive (impeller propulsion)
Trim & Tilt	Power Trim & Tilt (electric)
Cooling System	Water-cooled (closed loop)
Exhaust	Through-hub jet exhaust
Full Throttle RPM	5,500–6,000 rpm
Warranty	3-Year Limited (check remaining coverage)

Perfect For

• Jet boats and shallow-water craft
• River boats and creek running
• Reef fishing and coastal waters
• Personal watercraft (PWC) tenders
• Sandy-bottom lagoons and beaches
• Small to medium-sized boats (16–24 feet)
• Recreational boating on rivers, lakes, and coastal waters
• Water sports (tubing, waterskiing with jet drive)

Why Buy This Yamaha 100 HP Jet Drive?

• ✓ Trusted Brand: Yamaha is the world’s most reliable outboard brand with 97% reliability rating
• ✓ Jet Drive Advantage: No propeller — safe for swimmers, perfect for shallow water, no weed/rocks issues
• ✓ Fuel Injection: EFI delivers precise power, better fuel economy, and easy starting
• ✓ Power Trim & Tilt: Electric adjustment for optimal performance and convenience
• ✓ Versatile Power: 100 HP engine detuned to 80 HP — more reliable long-term than built-to-80HP engines
• ✓ Extra Long Shaft: Fits larger transoms, deeper water operation
• ✓ 4-Stroke Efficiency: More fuel-efficient and quieter than 2-stroke jet drives
• ✓ Excellent Condition: 2025 model — still very fresh, save money vs. buying brand new
• ✓ Proven Reliability: Yamaha 4-stroke jet drives known for durability and longevity

What’s Included

• Yamaha 100 HP 4-Stroke Jet Drive Outboard Motor (2025 Model)
• Portable fuel tank (if applicable)
• Owner’s manual (if available)
• Mounting hardware
• Service records (if available)

Contact us today to schedule a viewing or arrange pickup. This 2025 Yamaha 100 HP Jet Drive (detuned to 80 HP) is a rare find — in excellent condition with extra long shaft and power trim. Serious buyers only. Price is negotiable for quick sale.