Outboard motor · 115 HPYamaha F115LB2
Mechanical control leverSteering: mechanical or hydraulic, fitted in the boatInstallation 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 F115LB2 — 115 HP
Yamaha F115LB2 is a four-stroke outboard motor rated at 115 HP (84,6 kW at the propeller shaft). Engine: 16-zaworowy, DOHC, rzędowy 4, displacement 1832 cm³, wtrysk paliwa. Dry weight: 175–185 kg.
A motor for remote control from the console — throttle and shift by cables from the control lever (mechanical controls), with mechanical or hydraulic steering in the boat. A proven choice for console boats that is simple to service. The model has electric start and power trim and tilt (PTT) — the motor angle is set with a button, even while underway.
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: 516 mm.
Cowling colour: Pearl White (2) — matches light hulls and tubes.
Fuel consumption at full power according to Yamaha: 38,9 L/h @5800 obr/min. The F115LB2 is within the power range the shipyard recommends for the GRAND G580, GRAND G500. 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 F115LB2
| Maximum output (at propeller shaft) | 115 KM (84,6 kW) |
|---|---|
| Full-throttle range | 5300–6300 rpm |
| Idle speed | 700–800 rpm |
| Fuel consumption (reference data) | 38.9 L/h @5800 rpm |
| Engine type | 4-stroke, 16-valve, DOHC, in-line 4 |
| Displacement | 1832 cm³ |
| Bore × stroke | 81,0 × 88,9 mm |
| Compression ratio | 10,0:1 |
| Fuel system | Fuel injection |
| Lubrication | Wet sump |
| Engine oil capacity | 3.2 L / 3.0 L (with / without filter change) |
| Ignition | TCI |
| Spark plug | LKR6E |
| Alternator | 35 A (battery charging: 27 A) |
| Trim | PTT: stepless |
| Gear ratio | 2,15 (28/13) |
| Gear shift | F-N-R |
| Propeller rotation | Right (standard) |
| Shaft lengths in the family | L, X (FL115B: X) |
| Overall height (L shaft) | 1629 mm |
| Transom height (L shaft) | 516 mm |
| Beam | 524 mm |
| Weight (dry) | 175–185 kg |
| Steering angle | 35° each way |
Source: Yamaha Product Information Guide 2026 (F115B family). Fuel consumption — manufacturer’s reference data.
