General Specifications
HP / kW
350 HP / 260.8 kW
Displacement
4952 cc (302.2 cu in.)
Cylinders
8 (V8 60°)
WOT RPM
5000 - 6000
Weight
355 kg / 783 lbs
Drive & Lower Unit
Gear Ratio
1.79:1
Shaft Length
25", 30"
Electrical System
Alternator Output 1171 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Honda BF350 VTEC V8 (2024)
Lubrication
Engine Oil
Honda 10W-30 FC-W
Oil Capacity 10.4 Liters
Gearcase Lube 1200 ml
Ignition System
Spark Plug
NGK LMAR8G-9
Gap Setting 1.05mm
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 5000-6000
Alternator 1171W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Honda BF350 VTEC V8 is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Honda BF350 VTEC V8:
Model Evolution
History of the Honda 350HP series over the years:
Standalone production year.
Category Discovery
Reference Data
Information compiled from Honda Marine factory service manuals and original sales literature published in 2024.