Williams Jet Tenders SportJet 345, SportJet 435, SportJet 395, SportJet 460, SportJet 520 Owner's Handbook Manual
Owner’s Handbook
THIS MANUAL CONTAINS IMPORTANT INFORMATION AND MUST BE READ BEFORE OPERATING THIS TENDER
OWNER’S
HANDBOOK
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ITALIANO
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DEUTSCH
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ESPAÑOL
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Thank You for
Choosing a Williams Sportjet
This owner’s handbook has been compiled to help you operate your Sportjet with safety and
pleasure. It contains details of the boat and equipment fitted, together with information on its
operation and maintenance. Please read it carefully and familiarise yourself with the boat before
using it.
The Williams Sportjet uses water jet propulsion. If this is your first boat or you are changing to a
type of boat you are not familiar with, please ensure that, for your own safety you obtain handling
and operating experience before assuming command of the boat. Maneuverability is restricted
while decelerating. Your dealer, national sailing federation or yacht club will be pleased to advise
you of sea schools or competent instructors.
The Sportjet is a high performance boat. We recommend that a minimum standard of
RYA level 2 or ICC (International Certificate of Competency) is attained by the operator
prior to taking control of this boat. This manual assumes the operator has acquired
this standard of qualification and possesses knowledge of basic seamanship.
On handover your Williams Sales & Service Centre will guide you through the operating
functions and safety features of the boat. Remember to complete and submit your
warranty registration form either by post or online at williamsjettenders.com/warrantysubmission. Make a reference of the boat’s HIN in the box below. Please keep this
handbook in a secure place and hand it to the new owner if you sell the boat.
Hull Identification Number (HIN):
The HIN is located on the right hand side of the transom face below the platform step. Record it
in the box above.
Williams Jet Tenders consider the safety
of our customers of great importance. We
recommend people using our products
exercise care and common sense, and
comply with the safety information within the
Owner’s Handbook.
Always obey the safety labels fitted to the
tender and replace them if they become
unreadable.
Be aware of local laws and restrictions and
never use whilst under the influence of alcohol
or any substance which may affect your
judgement.
This symbol appears on a number
of labels fitted to the tender. The
symbol draws your attention to
the message and refers you to the
Owner’s Handbook.
This safety alert symbol appears
throughout the Owner’s Handbook
and appears on various labels fitted
to the tender. It means attention, be
alert, your safety is involved! Please read and
abide by the message that follows the safety
alert symbol.
DANGER
Indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING
Indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a hazardous situation which, if not
avoided, could result in minor or moderate
injury.
Your Sportjet will be delivered with the following items:
Boats fitted with optional accessories may be supplied with additional items.
• Owner’s Handbook
• Warranty Registration Document
• Pre-Delivery Inspection Document
• Service Record booklet
• Ignition key (2)
• Kill switch lanyard (2)
• Battery isolator key (345, 395 and 435 only)
• Helm catch keys (460 and 520 only)
• Whistle (USA specification only)
• Foot pump
• Inflation adaptor
• 12v electric plug
• Inflatable tube repair kit
Safety Information
Included with your Sportjet
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Safety Information 5
Before Getting Underway 6
Operators’ and Passengers’ Awareness,
Water Sports 7
Operating your Tender 8
Warning Label Locations 10
General Specifications, Engine
Specifications, Classification 11
General Layout 12
Controls and Instrument Cluster 14
New Engine Break-in Period, Fuelling 15
Before Use, Safety Check, Warning
Lights 16
Starting Procedure 17
Engine Bay 18
Exhaust System Flushing 20
Fuse Identification, Conductor
Identification 22
Lifting the Sportjet, Reboarding the
Sportjet 23
Fuel System, Routine Maintenance,
Windscreen Care 24
Winterising/Dry Storage 25
Full Inspection Maintenance Table 26
Limited Warranty 28
Contents
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• Always perform the pre-use inspection
as specified in this book (see page 16).
• Do not exceed the payload or passenger
capacities for this boat; these are listed on the
capacity plate located inside the helmsman’s
footwell, and in the specifications in this
manual.
• Overloading or an uneven load
can affect manoeuvrability, stability and
performance. Do not exceed the data on the
builder’s plate.
• Regularly inspect the boat, hull, engine,
safety equipment, and all other boating gear
and keep them in safe operating condition.
Before Getting Underway
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• Engine exhaust contains carbon
monoxide (CO), which can cause injury
or death if inhaled in sufficient quantities.
Educate all occupants about the risks and
symptoms of CO accumulation and CO
poisoning.
• Fuel vapors can explode, resulting in
injury or death. Always use the bilge blower
for a minimum of 5 minutes before starting
the engine, then turn it OFF above idle
speed. Use of the the bilge blower should
never replace checking for fuel vapor odours.
• If at any time, fuel leaks/odours are
found, do not start the engine. Have the boat
serviced by an authorized Williams dealer.
• Always keep in mind that as the throttle
is returned to the idle position, less directional
control is available. To turn the boat, both
steering and throttle are necessary.
• This boat has no brake. Stopping
distance will vary depending on initial speed,
load, wind and water conditions. Practice
stopping and docking in a safe, traffic-free
area to have an idea of how long it will take
to stop the boat under varying conditions.
• Do not release the throttle when trying
to steer away from objects. You need throttle
to steer. Do not use the boat’s reverse to stop.
• Do not start or operate the boat if
any person is not properly seated in a seat
intended for use when underway (refer to
boat this manual) or if a person is nearby in
the water.
• The boat’s jet thrust can cause injury.
Always accelerate slowly, and decelerate in a
controlled fashion.
• Observe the instructions on all safety
labels. They are there to help assure that you
have a safe and enjoyable outing.
• Riding with passenger(s) or pulling
other boats, tubes, a skier or a wakeboarder
makes the boat handle differently and
requires greater skill.
• Rear seats must not be used when
water skiing or wakeboarding is taking place.
• Always attach the kill cord. Should the
driver move away from, or be thrown from
the helm position, the kill cord will detach
from the console and the engine will stop.
Detaching the kill cord also allows a crew
member or passenger to stop the engine
if the driver were to become incapacitated
whilst at the helm, e.g. if they fainted.
• Always check your kill cord works at
the start of each day or session and check it
regularly for signs of wear.
• Do not leave kill cords out in the
elements. Extremes of temperature and UV
light will harm the kill cord in the long term.
• If your kill cord has lost its spiral
tension, replace it.
• When replacing kill cords, purchase
Williams’s own kill cord.
Special Safety Messages
• Each boat operator has a responsibility to
ensure the safety of his/her passenger(s) and
of other water users. Please follow all safety
instructions and operate your boat with care.
• Operation of this boat by a person
under 16 years of age or a person with a
disability that impairs vision, reaction time,
judgment or operation of the controls is not
recommended.
• Never operate a boat while under the
influence of drugs or alcohol. They slow
reaction time and impair judgement. Allow
only qualified drivers to operate your boat.
• Remember that sun, wind, fatigue
or illness may impair your judgement and
reaction time.
• At least one passenger should be able
to operate the boat in case the operator is
unexpectedly unable to do so.
• Always use the kill cord when operating
the boat and ensure that all passengers are
familiar with its use.
• Ensure that any operator and all
passengers know how to swim and how to
re-board the boat from the water (Please see
instructions on how to do so on page 23). If
a passenger does not know how to swim,
ensure that passenger wears a lifejacket at
all times and take extra precautions when
boating.
• Be sure you have at least the minimum
required safety equipment, lifejackets and any
additional gear needed for your trip.
• Check that all lifesaving equipment is in
safe operating condition and easily accessible.
Show all passengers where this equipment is
and make sure they know how to use it.
• Keep an eye on the weather. Check the
local weather before departure and be alert
to changing conditions. Beware of offshore
winds and currents.
• Keep enough fuel on board for the
planned trip. Always verify fuel level before use
and during the trip. Apply the principle of 1/3 of
the fuel to reach your destination, 1/3 to return,
and keep 1/3 in reserve. Allow for changes due
to adverse weather or other delays.
• Keep accurate and up-to-date charts
of the boating area on board. Before getting
underway, check water conditions in the
planned boating area.
• Before departure, inform a responsible
person ashore of your plans.
Operators’ and Passengers’ Awareness
Taking part in any water sport requires
increased safety awareness by the
participant and the boat operator.
• If you have never pulled someone
behind your boat before, it is a good idea to
spend a few hours as an observer, working
with and learning from an experienced driver.
It is also important to be aware of the skill and
experience of the person being pulled.
• Always have a second person on board
to observe the person in the water so the
driver can concentrate on operating the boat.
• Both the boat operator and observer
should monitor the location of the towrope
when participating in watersports.
• A slack tow rope can become
entangled with persons or objects in the
boat or in the water, particularly when making
a tight turn or circling and cause serious
personal injury.
• Never use the rear facing seats when
using a tow rope.
Water Sports
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CAUTION. Operate the boat with
due care and at a speed appropriate
to the sea conditions. Be aware of local
laws and restrictions. Always carry out a visual
check of the boat and its components prior to
use. Adhere to the maintenance schedule.
WARNING. For the safety of
passengers, do not use rear facing
seats above 15mph.
WARNING. This boat uses a water
jet propulsion system which may
exceed the performance and behave
differently to other boats you have
operated in the past. At slower speeds,
maneuverability is reduced.
WARNING. The Operator of this boat
must be of a suitable age and
competence, have read and understood
the owner’s manual and safety labels,
have been familiarised with the correct
use of this boat, possess knowledge of
basic seamanship and hold the necessary
qualifications as required under law.
WARNING. Never permit a guest to
operate this boat unless the guest is
of suitable age and competence, has
read and understood the owner’s manual
and safety labels, has been familiarised
with the correct use of this boat,
possesses knowledge of basic
seamanship and holds the necessary
qualifications as required under law.
WARNING. Never exceed maximum
passenger capacity under any
circumstances; doing so reduces stability
and control.
WARNING. Always wear the
appropriate buoyancy aid and ensure
all passengers do the same.
WARNING. Always operate
prudently according to visibility and
water conditions.
WARNING. Never operate the boat
under the influence of drugs or
alcohol. They will slow down reaction time
and impair judgment.
WARNING. Never perform high
speed and extreme maneuvers,
which could result in loss of control.
WARNING. Always attach the kill
cord to your leg. Removal of the kill
cord will stop the engine in the event of an
emergency.
WARNING. Manoeuvrability of the
boat is restricted while decelerating.
Familiarize yourself with the boat’s handling.
This boat uses a water-jet propulsion system
and has unique characteristics in steering. The
throttle produces thrust from the jet pump, the
directional control is provided by opening the
throttle and turning the wheel in the direction
of your turn. High thrust will turn the boat
sharply; low thrust will produce less turning
force. There is no rudder, so while underway
there is no steering without thrust.
If weed or debris gets caught in the jet unit
during use, cavitation can occur, causing a
decrease in forward thrust. If this condition is
allowed to continue the engine may overheat,
resulting in serious damage. If there is any
sign of debris or weeds etc blocking the jet,
remove the boat from the water.
Switch off battery isolator and remove all
debris from around the jet unit. DO NOT
make repeated attempts to start your
tender if it has been blocked or jammed
by debris or rope as engine damage
may occur. In case of difficulty consult
your Williams authorized dealer. A full list of
authorized dealers/engineers is available at
williamsjettenders.com.
RECOVERY
CAUTION. Do not attempt to lift or
recover the tender by the transom.
Any stern-up angle will cause water to enter
the engine from exhaust system and will result
in serious engine damage.
TOWING VALVE
CAUTION. Risk of engine flooding
exists. Towing valve is fitted. The valve
must be in the CLOSED position when your
tender is being towed and the OPEN position
when your tender is being used. When towing,
the towing valve must be closed, and the
reverse bucket must be in the forward/ahead
position. Failure to observe correct valve
position will result in serious engine
damage.
MOORING
CAUTION. Do not leave the Sportjet
moored for extended periods as this
may result in an accumulation of marine
growth and a loss of performance.
BEACHING
CAUTION. DO NOT operate in less
than 0.95 m/3 ft of water as debris
may enter the jet unit. DO NOT drive the
Sportjet onto the beach. Stop the engine
before beaching, as damage to the pump or
engine cooling may occur.
After beaching, move the boat into deeper
water and rock from side to side several times
to remove sand from the intake area. Failure to
do so could cause damage to the jet unit.
TRIM
CAUTION. Do not overload the boat.
At all speeds be aware of trim and keep
weight evenly distributed.
Above: Towing valve warning sticker.
Operating Your Tender
Everyone participating in a water sport
should observe these guidelines:
• Be considerate to others you share the
water with.
• Allow only capable swimmers to take
part in any water sport.
• Always wear an approved personal
flotation device (PFD). Wearing a
properly designed PFD helps a stunned or
unconscious person stay afloat.
• Have a second person aboard to
observe the person being towed and inform
the driver about the participant’s hand signals.
The driver must give full attention to operating
the boat and the waters ahead.
• Do not tow a person in any water sport
on a short tow rope such that the person
inhales exhaust fumes in concentration.
Inhalation of concentrated exhaust fumes,
which contain carbon monoxide, can result in
CO poisoning, personal injury and death.
• Give immediate attention to a person
who has fallen. He or she is vulnerable in the
water alone and may not be seen by other
boaters.
• Approach a person in the water from
the lee side (opposite the direction of the
wind). Turn off the motor before coming close
to the person.
• Turn off engine and anchor the boat
before swimming. Participate in water sports
only in safe areas. Stay away from other
boats, channels, beaches, restricted areas,
swimmers, and heavily travelled waterways
and underwater obstructions.
• Swim only in areas designated as safe
for swimming. These are usually marked with
a swim area buoy.
• Do not swim alone or at night.
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