MARINE ENGINES: YAMAHA 2 STROKE ENGINE - 25 BMHS / L

Yamaha 25BMHS/L Origin Outboard

The Yamaha 25 BMHS/L are 2stroke, 4 hp Outboard Motors with Manual Starters and tiller handles

The Basics of Yamaha Quality.

New Yamaha 25BMHS/L is improved from current 2-cylinder 496cc 25VMHS/L outboards, equipped with increased economy and durability. Original models 25VMHS/L currently on the market is derivatives of one another, and was initially introduced in 1991. These Outboards have been very popular on the sea, the rivers and the lakes all over the world. Now, they are refined to increase product performance.

25 BMHS / 25 BMHL Features

  • Loop Charging -High Performance - Fuel Economy
  • 5 - Stage Multiple Coating -  Anti-corrosion
  • Alternator – Convenience
  • Maintenance-Free CDI - High Performance – Reliability - Sure Starter
  • Start-In Gear Prevention – Convenience
  • Steering Friction Adjustment – Convenience
  • Engine Stop Switch Lanyard – Convenience
  • Over-Rev Limiter – Reliability
  • Sturdy Gears and Gear Case – Durability
  • Extremely Durable Crankshaft – Durability
  • Pilot Water Hole - Over-heat warning
  • Thermostatic Cooling Control – Reliability
  • Hard Chrome-Plated Water Pump – Durability
  • Self-Sacrificing Anodes - Anti-corrosion
  • Throttle Friction – Convenience
  • Large Capacity Water Pump – Reliability
  • Shallow Water Drive – Convenience
  • Water Sealed Cowling – Reliability – Comfort
  • Long-Life Piston/Piston Rings – Durability
  • Special Alluminium Alloy: YDC-30 - Anti-corrosion
Type
Enduro range
Engine Type
2-Cylinder
Displacement
496cc
Output
18.4kw / 25hp
Compression Ratio
6.2
Ignition System
0
Gear Ratio
27:13 (2.08)
Weight
53kg (BMHS) 55.5kg (BMHL)
Bore x Stroke
72 X 61mm
Max Operating Range
4500-5500rpm
Scavenging/induction
Loop charging
O/M Transom Height
423mm/16.7in (BMHS) 550mm/21.7in (BMHL)