COLOR DIAGRAMS. Table of Contents. Section 6

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1 Table of ontents OLOR DIGR ection OLOR DIGR 00 Optiax Jet Drive Engine Wiring Optiax Jet Drive Typical Key witch Wiring Optiax Jet Drive Typical Remote ontrol and Dash Wiring for Non-martraft Optiax Jet Drive Typical Remote ontrol and Dash Wiring for martraft Optiax Jet Drive Fuel and ir Flow Optiax Jet Drive Water Flow JNURY 00 Page -

2 JET PUP Notes: Page JNURY 00

3 OLOR DIGR 00 OPTIX JET DRIVE ENGINE WIRING January 00 Page -

4 00 OPTIX JET DRIVE ENGINE WIRING. E. Ignition oils. oil Drivers. Fuel Injectors 5. Direct Injectors. Oil Pump 7. P ensor 8. lock Pressure ensor 9. Water ensor 0. tarboard Head Temperature witch. Port Head Temperature witch. Throttle Position ensor (TP). rank Position ensor. martraft Data us ircuit 5 mpere Fuse 5. ccessories 0 mpere Fuse. Ignition oil 0 mpere Fuse 7. E Driver/Oil Pump/Electric Fuel Pump ircuit 0 mpere Fuse 8. Low Oil witch 9. ompressor Temperature witch 0. lave olenoid. tarter olenoid. tarter otor. 0 mpere lternator. ir Temperature ensor 5. ain Power Relay. To Volt attery 7. ccessory Power 8. Fuel Pump # (Inside Vapor eparator) 9. Fuel Pump # (Outside Vapor eparator) 0. Fuel Lift Pump. Engine Harness. Data uss (0 Pin) ontrol rea Network (N). DDT Test Port. martraft Data Link onnection

6 OLOR DIGR 00 OPTIX JET DRIVE TYPIL KEY WITH WIRING January 00 Page -5

7 00 OPTIX JET DRIVE TYPIL KEY WITH WIRING.Warning Horn.onnector for Low-peed ontrol..key witch.key witch onnections for OFF Position 5.Key witch onnections for ON Position.Key witch onnections for TRT Position 7.Key witch onnections for HOKE or PRIE Position 8.Harness onnection to oat Dash 9.Not Used 0.lank.To Neutral-Only tart witch..provides Tachometer ignal to Tachometer..Provides Ground for Dash Gauges and Lanyard top witch..upplies witched Volt + to Dash Gauges. 5.onnects to Lanyard top witch..to Neutral Only tart switch. 7.Not used. 8.Not used. 9.onnects to Oil Level Gauge 0.Not used.not Used.Not used.onnects to Oil Level ender in Tank.Not Used 5.Key witch Harness onnection to Engine Harness

9 OLOR DIGR 00 OPTIX JET DRIVE TYPIL REOTE ONTROL ND DH WIRING NON-RTRFT January 00 Page -7

10 00 OPTIX JET DRIVE TYPIL REOTE ONTROL ND DH WIRING NON-RTRFT. Remote ontrol meeting Y ini Jet oat tandard P. Neutral Lock utton. Throttle Only utton. To Lanyard top witch. Lanyard stop switch leads must be soldered and covered with shrink tube for a water proof connection. If alternate method of connection is made (use of electrical butt connector) verify connection is secure and seal for moisture proof connection. 5. Not Used. To Neutral tart witch. onnect wires together with screw and hex nut ( places); apply Quicksilver Liquid Neoprene to connections and slide heat shrink tubing over each connection. 7. Key witch 8. Key witch onnections for OFF Position 9. Key witch onnections for ON Position 0. Key witch onnections for TRT Position. Key witch onnections for HOKE or PRIE Position. peedometer. Temperature Gauge. Tachometer 5. Light witch onnection. Not Used 7. To Warning Light (if equipped) 8. Tachometer Harness onnection 9. Warning Horn 0. Not Used. Not Used. To Temperature ensor (if equipped). Remote ontrol Harness onnection

11 D E IGN. L. END. GRD. LT. 5P P P P 8 P I G

12 OLOR DIGR 00 OPTIX JET DRIVE TYPIL REOTE ONTROL ND DH WIRING WITH RTRFT January 00 Page -9

13 00 OPTIX JET DRIVE TYPIL REOTE ONTROL ND DH WIRING WITH RTRFT. 8-Pin Digital ensor Harness Extension, onnect to 8-Pin martraft Harness on Engine. Digital peedometer ensor. Not used. -Pin Digital ensor Harness 5. Not Used. Not Used 7. Not Used 8. Remote ontrol Harness onnects to Engine Harness 9. 0-Pin ontrol rea Network (N) Harness, onnect to Data uss 0-Pin N Harness on Engine 0. Resistors within N Harness (0Ω /W 5%). onnections for uxiliary Warning Horn for Depth ensor. 0-Pin ontrol rea Network (N) onnection to ystem onitor. ystem onitor. ystem Link eries onnections 5. -/ in. ystem Link Gauges (Tachometer and peedometer). -/ in. Dia. ystem Link Gauges (Fuel, Temperature, Trim, etc.) 7. eries onnection for dditional ystem Link Gauges 8. Remote ontrol meeting Y ini Jetboat tandard P 9. Neutral Lock utton 0. Throttle Only utton. onnections for Lanyard top witch. onnections for Power Trim witch. onnections for Neutral tart afety witch. Ignition Key witch 5. Key switch connections for OFF position. Key switch connections for ON position 7. Key switch connections for TRT position 8. Key switch connections for HOKE or PRIE position 9. nalog Temperature Gauge onnection 0. nalog Tachometer Harness (Not Used on N Installation). Warning Horn. Paddle Wheel/Lake/ea Water Temperature ender. -Pin Digital ensor Harness onnection to Paddle Wheel. Digital onnections to Oil ender 5. Digital onnections for Fuel ender

14 D E 0 5

15 OLOR DIGR 00 OPTIX JET DRIVE FUEL & IR FLOW DIGR January 00 Page -

16 00 OPTIX JET DRIVE FUEL & IR FLOW DIGR. Fuel Inlet from oat Fuel Tank. Engine Fuel Lift Pump. Fuel Line to Water eparating Fuel Filter -8 psi (-55 kpa). Water eparating Fuel Filter in Vapor eparator Tank (VT) ssembly 5. Fuel Outlet from VT. Fuel Inlet to Low Pressure Electric Fuel Pump 7. Fuel Outlet from Low Pressure Electric Fuel Pump 7-9 psi (8- kpa) 8. Fuel Inlet to High Pressure Electric Fuel Pump. 9. Relief Passage Unused Fuel Returning to VT 0. ir Vent to oat Fuel Tank. Fuel Outlet from High Pressure Electric Fuel Pump 90 psi (0 kpa). High Pressure Fuel Inlet to ir/fuel Rails 90 psi (0 kpa). Fuel Injector is opened by the E, 90 psi (0 kpa) fuel is discharged into a machined cavity inside the air chamber of the air/fuel rail. This mixes the fuel with the air charge.. ir Inlet to ir ompressor 5. ir ompressor. High Pressure ir Outlet 80 psi (55 kpa) 7. High Pressure ir Inlet to ir/fuel Rails 80 psi (55 kpa) 8. Direct Injector discharges the air/fuel mixture into the combustion chamber 9. chrader Valve for Testing ir Pressure 0. chrader Valve for Testing Fuel Pressure. ir Pressure Regulator will limit the amount of pressure developed inside the air passages to approximately 0 psi (9 kpa) below the pressure of the fuel inside the fuel passages (i.e. 80 psi [55 kpa] air vs 90 psi [0 kpa] fuel). leed Off from ir Pressure Regulator, Routed to the Exhaust daptor and Exits thru the Propeller. Fuel Pressure Regulator not only regulates fuel pressure but also regulates it at approximately 0 p.s.i. (9 kpa) higher than whatever the air rail pressure is. The fuel regulator diaphragm is held closed with a spring that requires 0 p.s.i. (9 kpa) to force the diaphragm off the diaphragm seat. The back side of the diaphragm is exposed to air rail pressure. s the air rail pressure increases, the fuel pressure needed to open the regulator will equally increase.. leed Off from Fuel Pressure Regulator, Routed ack to VT 5. Tracker Valve has a rubber diaphragm which expands and retracts to equalize the pulses developed by the pumps (both air and fuel).. heck Valve 0 psi (7 kpa) 7. Fuel return inlet from Fuel Regulator 8. Water Inlet to ool Port ir/fuel Rail and ir ompressor 9. ooling Water from ompressor Routed to Expansion hamber Exhaust Outlets

18 OLOR DIGR 00 OPTIX JET DRIVE WTER FLOW January 00 Page -

19 00 OPTIX JET DRIVE WTER FLOW Powerhead and Exhaust ooling ircuit. Inlet ooling Water from Jet Pump.. Water Inlet from Flushing onnection.. Water Flows from dapter Plate to Powerhead.. Water Fills enter of Powerhead, Flows Over Exhaust Runners, then to ylinder Jackets 5. Water Pressure ensor. ooling Water Fills ylinder Jackets, then flows to ylinder Heads. 7. ajority of water flows down ylinder Heads. ylinder Head over has been removed from Head for illustration, it is normally part of Head asting. 8. mall amount of water flows out top of ylinder Head to Water y-pass. 9. Water y-pass Discharged outside of oat. 0. Water flows from bottom of ylinder Head through passage in ylinder lock to dapter Plate.. Water flows from ylinder lock through dapter Plate, ooling Exhaust Passages.. Water flows from dapter Plate to Expansion hamber Water Jacket.. ooling Water from Expansion hamber is emptied back into daptor Plate.. ooling Water from daptor Plate is exhausted through the Jet Tunnel. ompressor and Fuel ooling ircuit 5. Fitting with trainer. Incoming ooling Water is directed to Fuel Rail. 7. ooling Water flows through Fuel Rail (port) to ir ompressor. 8. ir ompressor 9. ooling Water flows from ir ompressor to Expansion hamber Exhaust Pipes. 0. ooling Water for Exhaust Tubes is discharged with Exhaust.

20 5879

75/90 FOURSTROKE EFI WIRING DIAGRAM

75/90 FOURSTROKE EFI WIRING DIAGRAM 75/0 FOURSTROKE EFI WIRING DIAGRAM 0-87725 MARCH 2005 Page 8A-3 75/0 FourStroke EFI Wiring Diagram - Electronic control module (ECM) 2 - Engine water temperature sensor 3 - Ignition coil for cylinder #