3
REVIEW
Part 3 - Four-strokes from 40hp
If you're considering re-powering your small boat, why not spend a few extra dollars on a clean-technology 40hp outboard and enjoy the benefits of improved fuel economy, less noise and less pollutionFOUR-STROKES
Honda BF40Johnson/Suzuki 40Mariner/Mercury F40 and EFI 40Yamaha F40BFUEL-INJECTED TWO-STROKES
Evinrude E-TEC 40hpTohatsu TLDI 40AND THE WINNER IS…All the four-strokes have canister-type oil filters. The Tohatsu TLDI 40 requires servicing every 50 hours with impeller replacement every 100, while the E-TEC 40 doesn't require any servicing for the first 300 operating hours or three years.
| 40hp four-strokes | ||||
| Engines: | Honda 40 | Johnson/Suzuki 40 | Yamaha 40 | M/M 40 |
| Engine type: | All engines crossflow three-cylinder | |||
| Valves: | 6 | 12 | 6 | 6 |
| Valve actuation: | SOHC | DOHC | SOHC | SOHC |
| Drive: | Belt | Chain | Belt | Belt |
| Prop hp @ rpm: | ||||
| Carburetted: | 39.4/5700 | - | 40.1/5750 | 39.4/5500 |
| EFI: | - | 39.4/5500 | 40.1/5750 | - |
| Piston displacement: | 808cc | 814cc | 747cc | 747cc |
| Bore x stroke: | 70 x 70mm | 71 x 68.6mm | 65 x 75mm | 65 x 75mm |
| Ignition system: | ||||
| Carburetted: | CD with electronic timing advance | |||
| EFI: | Electronic engine management | |||
| Charging circuit (amps): | ||||
| Carburetted: | 10 regulated | - | 6 unregulated | 15 regulated |
| EFI: | - | 18 regulated | 20 regulated | - |
| Break-in period: | 10 hours | 10 hours | 10 hours | 10 hours |
| Fuel delivery: | ||||
| Carburetted: | 3 single barrel | - | 3 single barrel | 3 single barrel |
| EFI: | - | sequential | singlepoint | multipoint |
| Fuel type: | All engines 91 RON ULP | |||
| Fuel capacity: | 25lt | 25lt | 25lt | 24lt |
| Oil type (SAE): | 10W30/40 | 10W30/40 | 10W30/40 | 10W40 |
| Oil capacity: | 2.4 | 2.2 | 2.0 | 2.0 |
| Gear ratios: | 2.09:1 | 2.27:1 | 2.00:1 | 2.00:1 |
| Transom height: | 20in | 20in | 20in | 20in |
| Weights (kg): | ||||
| Manual start: | ||||
| Carburettor: | n/a | n/a | 91 | 84 |
| EFI: | - | - | - | - |
| Electric start: | ||||
| Carburettor: | 96* | - | - | 91* |
| EFI: | - | 110* | 101* | - |
| RRP: | $8272* | $8325* | $8999* | $8272* |
| * Weights and prices are electric-start remote-control versions with power trim and tilt | ||||
| 40hp two-strokes | ||||
| Engine: | Evinrude E-TEC 40 | Tohatsu TLDI 40 | ||
| Engine type: | Two-cylinder DFI | Three-cylinder DFI | ||
| Prop hp @ rpm: | 40.2/5000 | 39.4/5500 | ||
| WOT rev range: | 4500-5500 | 5150-5850 | ||
| Piston displacement: | 864cc | 697cc | ||
| Bore x stroke: | 91 x 66mm | 68 x 64mm | ||
| Ignition system | All engines feature electronic engine management | |||
| Charging circuit: | 75 | 23 | ||
| Fuel/air scavenging: | Loopcharged | Loopcharged | ||
| Fuel delivery: | High-pressure single stage | Low-pressure dual stage | ||
| Fuel type: | 91 RON ULP | 91 RON ULP | ||
| Fuel capacity: | 22.7lt remote | 25 remote | ||
| Oil type: | Bombardier XD100 High Performance | Valvoline TC-W3 | ||
| Oil capacity: | 1.9lt | 2.0lt | ||
| Gear ratio: | 2.67:1 | 1.85:1 | ||
| Transom height: | 20in | 20in | ||
| Weights: | ||||
| Manual start: | 104 | - | ||
| Electric start: | 109* | 95.5* | ||
| RRP: | $8309* | $8576* | ||
| *Weights and prices are for electric-start remote-control versions with power trim and tilt | ||||
Share this article
Written byBoatsales Staff
See all articlesStay up to dateBecome a boatsales member and get the latest news, reviews and advice straight to your inbox.
Subscribe todayRelated articles
Disclaimer
Please see our Editorial Guidelines & Code of Ethics (including for more information about sponsored content and paid events). The information published on this website is of a general nature only and doesn’t consider your particular circumstances or needs.
Please see our Editorial Guidelines & Code of Ethics (including for more information about sponsored content and paid events). The information published on this website is of a general nature only and doesn’t consider your particular circumstances or needs.
Love every move.
Buy it. Sell it.Love it.
®Contact
Advertise with us
International marketplaces
Consent
Download the boatsales app
