Outboard motor · 2,5 HPYamaha F2.5LMHB
formerly F2.5BMHL
TillerInstallation and rigging at the GRAND BOATS Poland service centre in Łężyce. Sold in cooperation with an authorised Yamaha dealer; manufacturer warranty 3 + 2 years at an authorised Yamaha service. Yamaha warranty: 5 years (3 years + 2 years extension) for recreational use, 2 years for commercial use.
Yamaha F2.5LMHB — 2,5 HP
Yamaha F2.5LMHB is a four-stroke outboard motor rated at 2,5 HP (1,8 kW at the propeller shaft), successor to the F2.5BMHL. Engine: OHV, 1-cylindrowy, displacement 72 cm³, 1 gaźnik. Dry weight: 17, 18 kg.
The tiller version — you steer directly with the handle, with throttle and shift at hand, no console or cables. A practical choice for inflatables, tenders and smaller RIBs. The model has manual pull start and manual angle adjustment (trim in several positions).
Shaft length L (20″ / 508 mm). The shaft is matched to the boat’s transom height so that the anti-cavitation plate runs just below the water surface. Transom height for this shaft according to Yamaha: 560 mm.
Fuel consumption at full power according to Yamaha: 1,2 L/h @5500 obr/min. At the GRAND BOATS Poland service centre in Łężyce near Gdynia we install the engine, do the rigging and choose the propeller. The engine is supplied in cooperation with an authorised Yamaha dealer; the manufacturer warranty (3 + 2 years) is carried out by an authorised Yamaha service.
Yamaha F2.5LMHB
Performance
| Maximum output | 2,5 KM (1,8 kW) |
|---|---|
| Full-throttle range | 5250–5750 rpm |
| Idle speed | 1800–2000 rpm |
| Fuel consumption (reference data) | 1.2 L/h @5500 rpm |
Engine
| Engine type | 4-stroke, OHV, single-cylinder |
|---|---|
| Displacement | 72 cm³ |
| Bore × stroke | 54,0 × 31,5 mm |
| Compression ratio | 8,8:1 |
| Fuel system | 1 carburettor |
| Lubrication | Splash |
| Engine oil capacity | 0,25 L |
| Ignition | CDI |
| Spark plug | CR6HSB |
| Starting | Manual |
| Alternator | — (none) |
Bracket / lower unit
| Steering | Tiller |
|---|---|
| Steering angle | 360° (full rotation) |
| Trim and tilt | Manual |
| Trim positions | 4 positions |
| Gear shift | F-N |
| Gear ratio | 2,08 (27/13) |
| Propeller rotation | Right-hand (standard) |
| Shaft length | L: 20″ / 508 mm |
| Transom height (L shaft) | 560 mm |
| Overall height (L shaft) | 1155 mm |
| Beam | 363 mm |
| Weight (dry) | 18 kg |
Source: Yamaha Product Information Guide 2026 (F2.5B family). Fuel consumption — manufacturer’s reference data.