Why do I need an after-market ignition?
Yes and No. The phrase ‘Total Loss’ does not properly describe the Advent Ignition. Total loss
means that the power source is consumed during operation (the battery is not charged as the engine is
running). Because ignitions from other manufacturers require a different flywheel, you must remove
the stator and it’s charging coils. You now have a total loss system. The advent Ignition uses the
stock flywheel and stator. It is your choice to leave the charging circuits in place (charging Ignition
mode) or disable them to gain a couple of extra horse power (total loss ignition) and not charge the
battery.
Is the ignition difficult to install?
No. All Advent Ignitions are designed to plug and play when ever possible. That means simply unplug
the OE ignition and plug in the Advent Ignition. Then mount it in the same location and use the same
mounting hardware from the OE ignition.
Why do the Advent Sea-Doo Ignitions
require me to install a wiring harness?
Sea-Doo, unlike other manufactures of PWC’s does not utilize a separate plugable ignition module.
Sea-Doo uses a central electronics module known as the MPEM (Multi Purpose Electronics Module).
All functions including the ignition are contained within the MPEM. Because the ignition cannot be
'unplugged’, it is necessary to install a cable harness to the existing wiring to connect the Advent
Ignition.
Do I have to rewire or solder to install the Ignition?
NO. No soldering is required. In fact, all connections are made using the highest quality watertight
contacts. Only a pair of regular pliers is required to install all wires. The process is “fool proof” and
each connection is guaranteed to be perfect and watertight.
The Instructions says I have to cut a wire, why?
There is one wire on 1998 and earlier boats and 2 wires on 1999 boats that must be cut in order for the
Advent Ignition to work. These wires must be cut to keep the Sea-Doo MPEM from firing the spark
plugs. The Advent Ignition provides 100% control of all ignition functions, including firing the plugs.
What happens if I don’t cut the wires?
If you don’t cut the wires and then start the engine, both the Advent Ignition and the Sea-Doo MPEM
attempt to fire the spark plugs. This will not do any harm to the engine, however severe damage may
be caused to both the Advent Ignition and the Sea-Doo MPEM. Advent provides no warranty in the
event that this happens.
To help remind you to cut the wires, a tag has been added to the wires in the Advent wiring harness.
Connect these wires then cut the factory wires as the label reminds you to do.
Can I reconnect the factory Ignition if necessary?
Yes, because the Advent Ignition is provided with a plug attachment to the wiring harness you may
simply unplug the Advent Ignition, reattach the one or two wires that were cut during installation and
you are ready to go. You must remember to disconnect the wires that you reconnected before
unplugging the Advent Ignition.
There is information on how to make a quick connect for the wires that are cut. Just look in the Tech
Notes section of this site.
I have an Advent Sea-Doo Ignition with two water control channels. Do I have to use them?
No. The water control outputs are optional, you may use one, both or none as is required.
Why should I use the Advent Ignition’s water controller if I already have one on my Sea-Doo?
If you have an after-market water control unit installed, you can continue to use it. However, There
are some good reasons to use the Advent Ignition water controllers.
1. There is a much finer ON/OFF control (100 RPM rather than 200 or 250 on others) and a
wider range of control 1200 RPM to 9000 for the main channel.
2. The water control continues to operate properly even when the engine hits the rev limiter.
Any water controller that uses the plug wires to pickup the engine RPM cannot function
properly when the ignition limits.
3. Simpler wiring and overall cleaner installation. No wires wrapped around you plug wires
making it almost impossible to gain easy access to your engines top end.
Why do I have to set the ‘Timing Correction’ switches on my Sea-Doo?
The Sea-Doo engine comes from the factory with excessive error in the engine timing pickup.
Because of this, Sea-Doo provides an instrument to their dealers that are used to ‘calibrate’ the engine
timing. If the engine has never been opened a number stamped on the engine case provides the
calibration information for the Advent Ignition. Just set the 3 switches per the timing chart.
My engine has been opened for repair and modifications. How do I time the engine?
If the engine case is opened for any reason, the engine must have its timing re-calibrated. The number
stamped on the engine case no longer is accurate and cannot be used as the calibration number.
Your engine must be timed using a timing light. Anything short of this can cause damage to the engine
and at least result in less that optimal performance. Advent has gone to great lengths to make this a
simple process. We provide with each Sea-Doo ignition all the necessary tools, except a timing light, so
you can do the job quickly, and more importantly, accuracy.
What timing curve should I use?
The yellow colored instruction sheet included with the ignition outlines which curve is best for each
different type of riding. There are curves designed for recreational, sport, closed course and endurance
riding. However many people experiment with the curves and find one they like. Consult your local
expert engine guy for his help if needed.
I thought I had to change my flywheel and stator to get a high-energy ignition.
No. Actually, the engine manufacturers provide very reliable, high quality ignition components. There
is absolutely no need to spent $$ for parts that are not necessary to replace if the ignition is properly
designed to use them. The installation is much simpler too.
Is the Advent Ignition total loss?
Yes and No. The phrase ‘Total Loss’ does not properly describe the Advent Ignition. Total loss
means that the power source is consumed during operation (the battery is not charged as the engine is
running). Because ignitions from other manufacturers require a different flywheel, you must remove
the stator and it’s charging coils. You now have a total loss system. The advent Ignition uses the
stock flywheel and stator. It is your choice to leave the charging circuits in place (charging Ignition
mode) or disable them to gain a couple of extra horse power (total loss ignition) and not charge the
battery.
I’ve never heard of Advent Products, is their stuff good?
Advent has been building ignitions for the past 5 years and ignition products for the last 10 years. In
fact Advent builds virtually all after market ignitions for Yamaha watercraft. They are sold under the
name of RIVA Yamaha.
Also read ‘About the Company’ for more information.
Can I change the ignition curves if I want to?
Yes and No. Although you can’t change the curve settings yourself, most models of ignitions
manufactured by Advent are re-programming. The ignition must be returned to Advent or its
authorized programming center to have this done. The Advent Ignitions have 4 curves installed unlike
the others that have only one. So you will probably find a built in curve that works for your application.
You say your ignition is high power, so how can it be the same size as stock?
Advent designs and manufactures using the latest and most advanced components available. We use
surface mound parts (SMT) to allow the small package size. In fact, most of the components are small
enough to fit on the head of a pin.
Advent uses custom-made injection molded enclosures designed specifically for each manufacturer and
model of watercraft for a perfect fit.
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