DFI EnginesDFI Engines

DFI EnginesDFI Engines

DRAWINGDRAWING

DFI EnginesDFI Engines

CHARACTERISTICS

Maximum consumption ( l/h )

20

25

)

15

20

ptio

n ( l

/h

Bull Shark 50 LPDFI

5

10

Con

sum

Bull Shark 50 LPDFI

Traditional 2 stroke 50hp *

4 Stroke 50hp *

02500 3000 3500 4000 4500 5000 5500 5900

Engine speed (RPM)* = Selva engines

DFI EnginesDFI Engines

CHARACTERISTICS

3-D IGNITION MAP

Ignition angle.

Throttle opening

Engine revolutions

DFI EnginesDFI Engines

DFI EnginesDFI Engines

LPDFI SYSTEM

Fuel injection information

ECU

Air intake Pressure Sensor Injectors driving

Water temperature Sensor Ignition coils driving

Crankshaft position Sensor

Throttle position Sensor

High pressure fuel pump driving

Throttle position Sensor

DFI EnginesDFI Engines

LPDFI SYSTEMLPDFI SYSTEM

Air intake temperaturetemperaturesensor

Throttle position sensor

DFI EnginesDFI Engines

Crankcase position sensorp

DFI EnginesDFI Engines

Water temperature sensor

Ignition Coils

DFI EnginesDFI Engines

LPDFI SYSTEM CYLINDER HEAD

One valve for each cylinder

Valve clearance: 0,10÷0,15 mm

DFI EnginesDFI Engines

LPDFI SYSTEM

TIMING BELT POSITION

T 15 N

Torque: 50 Nm

Torque: 15 Nm

Set-up position at the top dead point

DFI EnginesDFI Engines

LPDFI SYSTEMFUEL LINE

Vapor separator with electrical fuel pump

Primary vacuum fuel pump

DFI EnginesDFI Engines

Fuel filters on the fuel linefuel line

DFI EnginesDFI Engines

Fuel pressure regulation.Injection fuel pressure: 3 bar3 bar

Fuel cooler

Fuel RailFuel Rail

DFI EnginesDFI Engines

Fuel Injectors

DFI EnginesDFI Engines

Idle throttle openingIdle throttle opening screw.

DFI EnginesDFI Engines

Lubrication

Multipoint autolube system

oil tankDirect inlet of oil into the

Float with reserve warning signal

induction manifold

warning signal

Non return valves on the oil delivery pipes

Oil quantity depending by the engine RPM

Oil pumpDelivery oil quantity calibrated separatel for each

gand throttle position lever

separately for each cylinder

DFI EnginesDFI Engines

Camshaft lubrication

C h ftCamshaft lubrication oil tank

DFI EnginesDFI Engines

MINMAX

TOTAL QUANTITY: 500 g

DFI EnginesDFI Engines

Camshaft oil tank drain plug(Under the bottom(Under the bottom cowling)

DFI EnginesDFI Engines

FUEL: UNLEADED PETROLFUEL: UNLEADED PETROL

MOTOR OIL: NMMA TC-W3SAE J 1536 Grade 3

CAMSHAFT OIL: API SE, SF, SG,SH,SJSAE 10W-30; 10W-40 ;15W-40SAE 10W-30; 10W-40 ;15W-40

GEAR BOX OIL: API GL5 - SAE 80W-90

DFI EnginesDFI Engines ELECTRICAL SYSTEM

FusesRelays

Engine Control Unit

DFI EnginesDFI Engines

RELAY AND FUSES WIRING DIAGRHAM

RELAYFUSES RELAYFUSES

Fuel pump Fuse

Main relay

Power Fuse

Fuel pump relay

Service Fuse

Fuse

Temperature warning relay

Fuse

Power trim Up relayExternal

Power trim Down relay

External instrumentsFuse

y

DFI EnginesDFI Engines

SPARK PLUG TYPE

NGK: BCPR6ES

BOSCH: FR 7D+

CHAMPION RC9YCCHAMPION: RC9YC

EYQUEM: RFN52LZEEYQUEM: RFN52LZE

DFI EnginesDFI Engines

ENGINE PROTECTION

Over heating protection

When the engine temperature exceed the 90 °C the RPM go down to 3000. The buzzer sounds.

Over revolution protection

When the RPM increase over 6200, the ECU cut the sparking

Low oil level protectionLow oil level protection

When the engine oil level is under a minimum level, the buzzer sounds.

DFI EnginesDFI Engines CHECK SYSTEM

DIAGNOSYS CHECK WITH THE PC

• CHECK ENGINE VALUES

• ELECTRIC COMPONENTS CHECK

• CHECK THE ENGINE OPERATING HOURS

DFI EnginesDFI Engines

ENGINE VALUES

DFI EnginesDFI Engines

ELECTRIC COMPONENTS CHECK

DFI EnginesDFI Engines

REFERENCE CHECK CODES

P0105 B t i P S t kiP0105 Barometric Pressure Sensor not working

P0118 Engine Temperature Sensor SC (Short Circuit)

P0119 Engine Temperature Sensor OC (Open Circuit)

P0122 TPS SC

P0123 TPS OC

P0562 Battery Voltage too low

P0563 Battery Voltage too high

P1201 Injector 1 Short to GND or OCP1201 Injector 1 Short to GND or OC

P1202 Injector 2 Short to GND or OC

P1203 Injector 3 Short to GND or OC

P1231 Fuel Pump Driver SC to GND / OC

P1232 Fuel Pump Driver SC to 12 V

P1351 Coil 1 Short to GND or OC

P1352 Coil 2 Short to GND or OC

P1353 Coil 3 Short to GND or OC

P1501 Air Temperature Sensor SC

P1502 Air Temperature Sensor OC

P1552 Fan Cooler Driver SC to GND / OC

P1553 Fan Cooler Driver SC to 12 V

P1601 ECR Relay Driver SC to GND / OC

P1602 ECR Relay Driver SC to 12 V

DFI EnginesDFI Engines

MAINTENANCE OPERATIONS

First time Every10 hour 50 hour 6 months year

Greasing

First time EveryOperation

Camshaft oil ( chek level ) Camshaft oil ( changing ) Camshaft oil tank cleaning Camshaft oil tank cleaning Gearcase oil Spark plug Transmission belt checking Fuel filters Fuel line checking Fuel line checking Fuel injection system cleaning Vapor separator tank cleaning/purge Screw torque checking