Small-engine convenience, big-engine performance
This versatile, twin-cylinder 4-stroke combines power and responsiveness - and delivers a super-smooth ride. Outstanding fuel economy also means that you're being kinder to the environment, with exhaust emissions cut to a minimum.
Enjoy too, the many extras that only a Yamaha outboard delivers. Benefits like computer-controlled ignition, a special light-load starting system, a water-cooled fuel pump, and a large-volume silencer – all normally only found on larger engines. For commercial, professional or leisure use, it adds up to a winning formula.
 
At a glance
Single-lever steering friction (Tiller model)
New tough and solid one-piece top cowling
New battery-less EFI system for easy starting
Manual, electric and manual/electric start options
VTS (Variable Trolling Speed) option
Slower-than-normal idle speed with VTS option
Compatible with Yamaha Digital Network Gauges
Big-engine' feature - Power Tilt option
Exclusive Y-COP immobiliser security available
Multi-function tiller handle option
Single-lever steering friction (Tiller model)
High-output alternator for extra starting power
 
Engine type
4-stroke
Displacement
432 cm³
No. of cylinders/configuration
2/In-line, SOHC
Bore x stroke
65.0 mm x 65.1 mm
Prop shaft output at mid range
14.7 / 5,500 rpm
Full throttle operating range
5,000 - 6,000 rpm
Lubrication system
Wet sump
Fuel Induction System
EFI
Ignition / advance system
CDI
Starter system
Electric/ Manual, Manual (MH), Electric (E, EP)
Gear ratio
2.08 (27:13)
 
Recommended boat transom height
S429L:551mm
Fuel tank capacity
separate, 25litres
Oil pan capacity
1.1litres
Weight without propeller
56kg - 63kg