500 motors in database
Mercury

300 Verado V8

2024 · 300 HP · 4-Stroke
VS
Johnson

300hp V8 Looper

1995 · 300 HP · 2-Stroke
Feature Mercury 300 Verado V8 Johnson 300hp V8 Looper
Power & Performance
Horsepower 300 HP 300 HP
Displacement 4600 cc ← 4000 cc
Configuration 8 Cyl / V8 64° 8 Cyl / V8 90°
Weights & Dimensions
Dry Weight 272 kg (600 lbs) 260 kg (573 lbs) ←
Mechanical & Electrical
Gear Ratio 1.85:1
Alternator 1449 W W
Fuel Delivery EFI Carbureted
Maintenance
Spark Plug Champion QL77JC4
Engine Oil Mercury FourStroke Oil 10W-30 VRO Injection