American NauticsAmerican NauticsOne size doesn’t fit all
Proven technology, rock-solid reliability and an unbeatable combination of performance and fuel efficiency.
HP / kW 425 / 317
Maximum RPM (WOT) 4400 – 4800
Engine type V-8
Displacement (L) 8.2
Fuel delivery system Multi-point Electronic Fuel Injection (MPI), Sequential Fuel Injection with DTS
| HP / kW | 425 / 317 |
| Maximum RPM (WOT) | 4400 - 4800 |
| Engine type | V-8 |
| Displacement (L) | 8.2 |
| Bore and stroke | 4.47 x 4.00" / 113.5 x 101.6 mm |
| Compression ratio | 8.75:1 |
| Recommended fuel | Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum |
| Engine control system | PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors |
| Fuel delivery system | Multi-point Electronic Fuel Injection (MPI) Sequential Fuel Injection with DTS |
| Air induction | High inertia induction system |
| Ignition | Distributorless ignition with knock control |
| Alternator amp / Watt | 65 amp / 917 watt |
| Water drain system | Single point air actuated |
| Exhaust system | Tuned runner exhaust manifolds with 316 stainless steel tubular dry joint elbows |
| Cooling system | Brass sea water pump Closed cooling Long life 5-year antifreeze |
| Accessory drive system | Auto-tensioner Serpentine belt |
| Recommended oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Engine guardian system | SmartCraft Engine Guardian |
| Dimensions (L x W x H) | 35 x 33 x 24" / 878 x 838 x 610 mm |
| Weight (engine only) | 509 kg |
| Compatible drives | ZF 63A Down Angle ZF 63IV V-Drive |
| HP / kW | 375 / 280 |
| Maximum RPM (WOT) | 4200 - 4600 |
| Engine type | V-8 |
| Displacement (L) | 8.2 |
| Bore and stroke | 4.47 x 4.00" / 113.5 x 101.6 mm |
| Compression ratio | 8.75:1 |
| Recommended fuel | Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum |
| Engine control system | PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors |
| Fuel delivery system | Multi-point Electronic Fuel Injection (MPI) Sequential Fuel Injection with DTS |
| Air induction | High inertia induction system |
| Ignition | Distributorless ignition with knock control |
| Alternator amp / Watt | 65 amp / 917 watt |
| Water drain system | Single point air actuated |
| Exhaust system | Tuned runner exhaust manifolds with 316 stainless steel tubular dry joint elbows |
| Cooling system | Brass sea water pump Closed cooling Long life 5-year antifreeze |
| Accessory drive system | Auto-tensioner Serpentine belt |
| Recommended oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Engine guardian system | SmartCraft Engine Guardian |
| Dimensions (L x W x H) | 35 x 33 x 24" / 878 x 838 x 610 mm |
| Weight (engine only) | 509 kg |
| Compatible drives | ZF 63A Down Angle ZF 63IV V-Drive |
| HP / kW | 350 / 261 |
| Maximum RPM (WOT) | 5000-5400 |
| Engine type | V8, 2-valve/cylinder pushrod |
| Displacement (L) | 6.2 |
| Bore and stroke | 4.0 x 3.75" / 101.6 x 95.25 mm |
| Fuel requirement | 90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2) |
| Engine control system | SmartCraft PCM 112 Standard SmartCraft with DTS |
| Fuel delivery system | Computer controlled Multi-Port Electronic Fuel Injection (MPI) |
| Starting | Electric (turn-key) Smart Start Electric |
| Air induction | Performance-Tuned Scroll Intake Manifold |
| Ignition | SmartCraft PCM 112 Digital Inductive |
| Alternator amp / Watt | Fully regulated belt-driven 70 amp (882 watt) |
| Water drain system | Air Actuated "Season Extender" |
| Exhaust system | Through transom |
| Cooling system | Fresh water cooled (closed cooling) |
| Lubrication system | Integrated wet sump |
| Recommended oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Engine guardian system | SmartCraft Engine Guardian |
| Gear shift | F-N-R |
| Transmission and Ratio | 63 A: 1.216, 1.5:1, 2.0:1, 2.5:1 63 IV: 1.5:1, 2.0:1, 2.5:1 |
| Dimensions (L x W x H) | 32 x 30 x 22" / 813 x 762 x 559 mm |
| Weight (engine only) | 862 lbs / 391 kg |
| HP / kW | 350 / 261 |
| Maximum RPM (WOT) | 5000-5400 |
| Engine type | V8, 2-valve/cylinder pushrod |
| Displacement (L) | 6.2 |
| Bore and stroke | 4.0 x 3.75" / 101.6 x 95.25 mm |
| Fuel requirement | 90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2) |
| Engine control system | SmartCraft PCM 112 Standard SmartCraft with DTS |
| Fuel delivery system | Computer controlled Multi-Port Electronic Fuel Injection (MPI) |
| Starting | Electric Smart Start Electric |
| Air induction | Performance-Tuned Scroll Intake Manifold |
| Ignition | Ignition |
| Alternator amp / Watt | Fully regulated belt-driven 70 amp (882 watt) |
| Water drain system | Air Actuated "Season Extender" |
| Exhaust system | Through transom |
| Cooling system | Fresh water cooled (closed cooling) |
| Lubrication system | Integrated wet sump |
| Recommended oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Engine guardian system | SmartCraft Engine Guardian |
| Gear shift | F-N-R |
| Transmission and Ratio | 63 A: 1.216, 1.5:1, 2.0:1, 2.5:1 63 IV: 1.5:1, 2.0:1, 2.5:1 |
| Dimensions (L x W x H) | 28 x 30 x 22" / 696 x 740 x 559 mm |
| Weight (engine only) | 862 lbs / 391 kg |
| HP / kW | 300 / 224 |
| Maximum RPM (WOT) | 5000-5400 |
| Engine type | V8, 2-valve/cylinder pushrod |
| Displacement (L) | 6.2 |
| Bore and stroke | 4.0 x 3.75" / 101.6 x 95.25 mm |
| Fuel requirement | 90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2) |
| Engine control system | SmartCraft PCM 112 Standard SmartCraft with DTS |
| Fuel delivery system | Computer controlled Multi-Port Electronic Fuel Injection (MPI) |
| Starting | Electric (turn-key) Smart Start Electric |
| Air induction | Performance-Tuned Scroll Intake Manifold |
| Ignition | SmartCraft PCM 112 Digital Inductive |
| Alternator amp / Watt | Fully regulated belt-driven 70 amp (882 watt) |
| Water drain system | Air Actuated "Season Extender" |
| Exhaust system | Through transom |
| Cooling system | Fresh water cooled (closed cooling) |
| Lubrication system | Integrated wet sump |
| Recommended oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Engine guardian system | SmartCraft Engine Guardian |
| Gear shift | F-N-R |
| Transmission and Ratio | 63 A: 1.216, 1.5:1, 2.0:1, 2.5:1 63 IV: 1.5:1, 2.0:1, 2.5:1 |
| Dimensions (L x W x H) | 28 x 30 x 22" / 696 x 740 x 559 mm |
| Weight (engine only) | 862 lbs / 391 kg |
| HP / kW | 300 / 224 |
| Maximum RPM (WOT) | 5000-5400 |
| Engine type | V8, 2-valve/cylinder pushrod |
| Displacement (L) | 6.2 |
| Bore and stroke | 4.0 x 3.75" / 101.6 x 95.25 mm |
| Fuel requirement | 90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2) |
| Engine control system | SmartCraft PCM 112 Standard SmartCraft with DTS |
| Fuel delivery system | Computer controlled Multi-Port Electronic Fuel Injection (MPI) |
| Starting | Electric (turn-key) Smart Start Electric |
| Air induction | Performance-Tuned Scroll Intake Manifold |
| Ignition | SmartCraft PCM 112 Digital Inductive |
| Alternator amp / Watt | Fully regulated belt-driven 70 amp (882 watt) |
| Water drain system | Air Actuated "Season Extender" |
| Exhaust system | Through transom |
| Cooling system | Fresh water cooled (closed cooling) |
| Lubrication system | Integrated wet sump |
| Recommended oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Engine guardian system | SmartCraft Engine Guardian |
| Gear shift | F-N-R |
| Transmission and Ratio | 63 A: 1.216, 1.5:1, 2.0:1, 2.5:1 63 IV: 1.5:1, 2.0:1, 2.5:1 |
| Dimensions (L x W x H) | 32 x 30 x 22" / 813 x 762 x 559 mm |
| Weight (engine only) | 862 lbs / 391 kg |
| HP / kW | 300 / 224 |
| Maximum RPM (WOT) | 4600 - 5000 |
| Engine type | V-8 |
| Displacement (L) | 5.7 |
| Displacement (CID/L) | 350 |
| Fuel delivery system | TKS Carb |
| Cooling system | Closed Cooling Kit |
| Weight (engine only) | 370 kg |
| Compatible drives | ZF / Velvet |