
Page ii 90-8M0099729 eng NOVEMBER 2014
Basic Boat Operation (DTS Models)...................................... 34
Launching and Boat Operation........................................ 34
Operation Chart...........................................................34
Starting and Stopping the Engine.................................... 34
Starting the Engine......................................................35
Stopping the Engine.................................................... 35
Throttle Only Operation................................................... 35
Throttle Only Operation—Tow Sports Panel Mount........ 36
Freezing Temperature Operation.................................... 36
Drain Plug and Bilge Pump............................................. 36
Protecting People in the Water............................................... 37
While You Are Cruising..................................................... 37
While Boat Is Stationary................................................... 37
High‑Speed and High‑Performance Operation....................... 37
Passenger Safety in Boats..................................................... 37
Wave and Wake Jumping....................................................... 37
Impact with Underwater Hazards........................................... 38
Conditions Affecting Operation............................................... 38
Weight Distribution (Passengers and Gear) Inside the
Boat................................................................................. 38
The Bottom of the Boat................................................... 39
Cavitation........................................................................ 39
Ventilation........................................................................ 39
Elevation and Climate..................................................... 39
Propeller Selection.......................................................... 39
Getting Started....................................................................... 40
20‑Hour Break‑In Period................................................. 40
After Break‑In Period....................................................... 40
End of First Season Checkup.......................................... 40
Section 4 - Specifications
Fuel Requirements................................................................. 42
Fuel Ratings...................................................................... 42
Using Reformulated (Oxygenated) Gasoline (USA Only)
.......................................................................................... 42
Gasoline Containing Alcohol............................................. 42
Engine Oil............................................................................... 42
Engine Specifications............................................................. 43
Scorpion 350 EC............................................................. 43
Fluid Specifications................................................................. 44
Engine............................................................................. 44
Transmission................................................................... 44
Section 5 - Maintenance
Owner/Operator Responsibilities............................................ 46
Dealer Responsibilities........................................................... 46
Maintenance........................................................................... 46
Do‑It‑Yourself Maintenance Suggestions............................... 46
Inspection............................................................................... 47
Maintenance Schedule—TowSport Models........................... 47
Routine Maintenance...................................................... 47
Scheduled Maintenance.................................................. 47
Engine Oil............................................................................... 48
Checking......................................................................... 48
Oil Level—Overfilled................................................... 49
Filling............................................................................... 49
Changing Oil and Filter.................................................... 49
Easy Engine Oil Drain System........................................ 49
Engine Oil Drain Pump.................................................... 50
Changing the Oil Filter..................................................... 51
Transmission Fluid................................................................. 52
Checking While the Engine is Warm................................ 52
Checking While Engine is Cold......................................... 52
Changing.......................................................................... 52
IAC Muffler.............................................................................. 52
Changing.......................................................................... 52
Battery.................................................................................... 52
Multiple EFI Engine Battery Precautions......................... 52
Cleaning the Flame Arrestor................................................... 53
Positive Crankcase Ventilation Valve (PCV).................... 54
Changing..................................................................... 54
Water‑Separating Fuel Filter.................................................. 54
Gen III Models................................................................. 55
Removal...................................................................... 55
Installation................................................................... 55
Serpentine Drive Belt.............................................................. 56
Checking........................................................................... 56
Replacing Belt and/or Adjusting Tension.......................... 56
Flushing the Power Package—TowSports............................. 57
The Boat Out of the Water................................................ 57
The Boat in the Water....................................................... 59
Section 6 - Storage
Cold Weather or Extended Storage........................................ 62
Reformulated (Oxygenated) Gasolines (U.S.A. Only)..... 62
Fuel Containing Alcohol.................................................. 62
Preparing Power Package for Storage—MPI Models..... 62
Special Fuel Mix.......................................................... 63
Engine and Fuel System Preparation......................... 63
Draining the Seawater System............................................... 64
Drain System Identification.............................................. 64
Air Actuated Single‑Point Drain System......................64
Manual Single‑Point Drain System............................. 65
Three‑Point Manual Drain System.............................. 65
Multipoint Drain (MPD) System................................... 66
Air Actuated Single‑Point Drain System.......................... 66
Boat in the Water........................................................ 66
Boat Out of the Water................................................. 68
Manual Single‑Point Drain System.................................. 70
Boat in the Water........................................................ 70
Boat Out of the Water................................................. 71