DFI E DFI E ngines ngines DRAWING DRAWING ngines ngines DFI E - - PowerPoint PPT Presentation

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Sep 21, 2023 299 likes •620 views

DFI E DFI E ngines ngines DRAWING DRAWING ngines ngines DFI E DFI E DFI E DFI E ngines ngines CHARACTERISTICS Maximum consumption ( l/h ) 25 20 20 ) ption ( l/h 15 Bull Shark 50 LPDFI Bull Shark 50 LPDFI Consum 10

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DRAWING DRAWING

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CHARACTERISTICS

Maximum consumption ( l/h )

20 25 ) 15 20 ption ( l/h

Bull Shark 50 LPDFI

5 10 Consum

Bull Shark 50 LPDFI Traditional 2 stroke 50hp * 4 Stroke 50hp *

2500 3000 3500 4000 4500 5000 5500 5900

Engine speed (RPM)

* = Selva engines

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CHARACTERISTICS 3-D IGNITION MAP

Ignition angle. Throttle opening Engine revolutions

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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

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LPDFI SYSTEM LPDFI SYSTEM Air intake temperature temperature sensor Throttle position sensor

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Crankcase position sensor p

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Water temperature sensor Ignition Coils

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LPDFI SYSTEM CYLINDER HEAD One valve for each cylinder Valve clearance: 0,10÷0,15 mm

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LPDFI SYSTEM TIMING BELT POSITION T 15 N Torque: 50 Nm Torque: 15 Nm Set-up position at the top dead point

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LPDFI SYSTEM FUEL LINE Vapor separator with electrical fuel pump Primary vacuum fuel pump

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Fuel filters on the fuel line fuel line

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Fuel pressure regulation. Injection fuel pressure: 3 bar 3 bar Fuel cooler Fuel Rail Fuel Rail

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Fuel Injectors

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Idle throttle opening Idle throttle opening screw.

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Lubrication Multipoint autolube system

il tank

Direct inlet of

il into the

Float with reserve warning signal induction manifold warning signal Non return valves on the

il delivery

pipes Oil quantity depending by the engine RPM Oil pump Delivery oil quantity calibrated separatel for each g and throttle position lever separately for each cylinder

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Camshaft lubrication C h ft Camshaft lubrication

il tank

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MIN MAX TOTAL QUANTITY: 500 g

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

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FUEL: UNLEADED PETROL FUEL: UNLEADED PETROL MOTOR OIL: NMMA TC-W3 SAE J 1536 Grade 3 CAMSHAFT OIL: API SE, SF, SG,SH,SJ SAE 10W-30; 10W-40 ;15W-40 SAE 10W-30; 10W-40 ;15W-40 GEAR BOX OIL: API GL5 - SAE 80W-90

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ELECTRICAL SYSTEM Fuses Relays Engine Control Unit

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RELAY AND FUSES WIRING DIAGRHAM RELAY FUSES RELAY FUSES Fuel pump Fuse Main relay Power Fuse Fuel pump relay Service Fuse Fuse Temperature warning relay Fuse Power trim Up relay External Power trim Down relay External instruments Fuse y

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SPARK PLUG TYPE NGK: BCPR6ES BOSCH: FR 7D+ CHAMPION RC9YC CHAMPION: RC9YC EYQUEM: RFN52LZE EYQUEM: RFN52LZE

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

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CHECK SYSTEM DIAGNOSYS CHECK WITH THE PC

CHECK ENGINE VALUES
ELECTRIC COMPONENTS CHECK
CHECK THE ENGINE OPERATING HOURS

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ENGINE VALUES

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ELECTRIC COMPONENTS CHECK

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REFERENCE CHECK CODES

P0105 B t i P S t ki P0105 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 OC P1201 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

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MAINTENANCE OPERATIONS

First time Every

10 hour 50 hour 6 months year Greasing

   

First time Every Operation

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