Yamaha Hydra Drive
' +'The Hydra Drive is a unique, compact, hydraulic, multi-plate clutch system for genuine fingertip control. The Hydra drive also features good stability and minimum resistance through water.' +'
Yamaha Variable Boost Control
' +'Yamaha Variable Boost Control, a metering valve on the air-inlet side, controls the turbo boost pressure for maximum engine performance.' +'
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+'Turbo Charger and Intercooler
' +'The Turbo charger condenses air which is then cooled and fed into the combustion chamber.' +'
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+'Oil Jet System
' +'To ensure the greatest possible durability, the pistons are kept cool at all times by an innovative Oil Jet System.' +'
Tough to serve you for Years and years
' +'Abrasion resistant composite material forms the piston ring. The Indirect cooling system with Oil cooler and corrosion free cooling path ensures a reliable long term performance.' +'
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+'High, stable power
' +'Direct-injection combustion chamber, heart-shaped and 4-ring piston maximises power output while miniminsing Fuel and Oil consumption.' +'
Vibration Canceller
' +'Balancers have been interlocked with the crankshaft to helped reduced overall noise.' +'| Model: | ' +'ME422 STIP1 | ' +'ME422 STIP2 | ' +'
| Engine type and combustion system | ' +'4-CYCLE VERTICAL DIESEL ENGINE/ DIRECT INJECTION | ' +'|
| Starting system | ' +'ELECTRIC START | ' +'|
| Number of cylinder | ' +'6 | ' +'|
| Bore x Stroke ( mm ) | ' +'94.0 x 100.0 (3.70 x 3.94) | ' +'|
| Displacement cc (cu.inch) | ' +'4163(254) | ' +'|
| Continuous rating output HP(KW)/rpm | ' +'- | ' +'|
| Max.output HP/rpm | ' +'275/3800 | ' +'245/3800 | ' +'
| Turbo charger system | ' +'EXHAUST GAS TURBINE AND AIR INTER COOLER | ' +'|
| Direction of rotation | ' +'LEFT OR RIGHT HAND ADJUSTABLE ON ENGINE | ' +'|
| Dimension(Overrall L x W x H) mm (inch) | ' +'1187.2 x 735 x 732(46.74 x 28.94 x 28.82) | ' +'|
| Engine dry weight kg(Ibs) | ' +'450(992) | ' +'|
| Cooling method | ' +'FRESH WATER COOLING WITH HEAT EXCHANGER | ' +'|
| Drive unit reduction ratio and Model | ' +'DE-DHD/1.50 DE-DHT (6U5)/1.68 | ' +'DE-DHD/1.50 DE-DHT (6U4)/1.78 | ' +'
| Tilt up and down method | ' +'POWER TILT | ' +'|
| Tilt up angle | ' +'46.5 degrees | ' +'|
| Drive dry weight kg (Ibs) | ' +'DE-DHD/101(242.5) DE-DHT(6U4)/107(235.89) | ' +'|
| Total dry weight kg(Ibs) | ' +'551(1214.73)/557 (1227.96) | ' +'|