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  1. #1

    New to here!! Big problems guys. 01' SLX 1200....

    I have a 2001 SLX 1200 and it has run like a scalded ape for the last 4 years. went to take her out this year and one of the pilug wires broke. So, i put new wires and plugs and alittle octane boost for the old gas, and tried to fire her up. it would turn over at a great rate...(new battery too). wouldnt start. pulled the plugs they were soaked. put new plugs, tried again same thing, soaked plugs. turned it over checked plugs for spark nothing... battery was reading about 11.0v then slowly drained to 10.0v. wtf? it never gave me problems until now? I checked the black box and all the fuses were good too? i called a shop and they said the stator and cdi(?) could be bad? PLEASE HELP ME??


  2. #2
    Moderator beerdart's Avatar
    Join Date
    Aug 2006
    Welcome to the hulk..

    Try and do the stator test found in the manual
    We only have the 1998 and 2002 but the engines are the same.

  3. #3
    Click avatar for tech links/info K447's Avatar
    Join Date
    Jul 2007
    near Toronto, Canada
    Quote Originally Posted by Sin'sSLX View Post
    ...2001 SLX 1200
    ... battery was reading about 11.0v then slowly drained to 10.0v. ...
    Welcome to the Hulk!

    11.0 volts indicates the battery was either discharged, or not healthy. Recharge it.

    You want at least 11.0 volts, measured at the battery with a multi-meter, while cranking. Don't depend on the MFD voltage display during cranking.

    The ignition systems needs to see an absolute minimum of 10.6 volts while cranking, and you really want more than that.

  4. #4
    i charged it and it was at 100% 12v. Put her in and cranked and all it did was turn over. i had the middle plug out will turning it over to check for spark and there was none. The battery was bought 1 month ago and it just runs down form trying to crank it but to no avail. I just spent a grand on my kawasaki stX1100. It had a bad piston and that cost me time and $$. Now its up but the slx is down and wife is about over it. need help asap before summers over and gone.

  5. #5
    Click avatar for tech links/info K447's Avatar
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    Jul 2007
    near Toronto, Canada
    Quote Originally Posted by Sin'sSLX View Post
    i charged it and it was at 100% 12v. Put her in and cranked and all it did was turn over...
    How did you measure that 12v?

    Without load, a fully charged lead-acid battery should show 12.5 volts, measured with an accurate meter. 12.0 volts without load means less than 1/2 charged.

    The most important battery test is what voltage it provides under load, while cranking the engine. Voltage measured while just sitting after charging does not tell you enough. You want to see at least 11.0 volts while cranking.

    Cranking RPM can be another indicator (but not as good as actually measuring voltage at the battery during cranking). If the MFD shows 800-1000 RPM while cranking, you know you have a strong battery. 600RPM on the MFD wile cranking can mean the battery voltage is too low to fire the CDI ignition system.

    Even though it was recently new, heavy discharging can weaken and damage even a new battery, and recharging it may not be enough for it to recover.

    And sometimes even brand new batteries are not good enough, if it was damaged before you bought it (dropped, for example), or just an off brand.

  6. #6
    ph2ocraft's Avatar
    Join Date
    Apr 2006
    Campbell, Ca.
    I just edited this article written by Jay, see if it helps you draw a conclusion as to what might be wrong with your ride.

    Courtesy 4strokepolaris:
    By Jason Lorenz(Jay)

    The ignition system in your Domestic powered Polaris is manufactured by PVL and made in Germany. It is one of the best performance ignitions made for power sports applications; it’s a true digital ignition system. Polaris has always been a performance oriented company striving to lead the industry in all it has produced. That being said, they contacted PVL to make a system for their watercraft. The first system was used in the 1996 production line up, the Hurricane, SL/SLT 700, SL 900 and SLTX 1050. These first few years would be tough and needed some revised parts. There are a few ways to identify the PVL ignition system in your machine.

    First is the CDI. This is the black box that is located in your electrical box. It tells the coils when to fire and how long to saturate the primary side of the ignition coil. It can be one of three boxes. The first being the red potted (color of epoxy where the wires exit the CDI) with a com port. This was found on very early boats and if you have one in your boat you should upgrade when you get the chance, it WILL fail. The second generation box is red potted with a com port next to where the wires exit the CDI. This is programmable and adjustable, better than the first generation but not the best. The third is the current black potted unit with a com port and is the best CDI ever produced by PVL for the Polaris watercraft. These rarely have any issues and are the toughest part of the ignition system. Over the years, I have had only 6 bad boxes which are black potted and most were something other than a non start spark problem (will not hold a steady timing degree, etc...).

    Stators are the weakest link in the PVL system and fail often. The latest version is the strongest and the life expectancy is far greater than that of the early units. The earlier stators did some crazy things such as limit boats to 3-4000RPM’s, no spark, jump timing, drain batteries etc. Early stators are easily identified by the plug ends and the white insulation around the trigger coils. If you have one of these, better get a new one, it will fail you soon. Stators currently have four versions. There is a twin with an 8 pin plug and one with multi-connectors. Same with the triples, one with an 8 pin plug and one with multi-connectors. You can use either twin stator or either triple stator, the difference is that plug. Now here is the nice part. If you have a stator with a multi plug you can get yourself an adapter that allows you to use the 8 pin plug.

    You plug the harness in at the electrical board and the connector stays outside the box. This leaves you with a nice, easy disconnect for engine removal and stator changes. Now you can only use this stator if you have upgraded your ignition system because the wiring is different. The nice thing is that you can just order a stator for a newer boat and not waste the money on the stuff you don't need. Below are the part numbers for the connectors.
    When you use these connectors you must order this stator, 4010170 triple, 4010172 twins. Connectors come with the rubber packing in them for the electrical box.

    Why does a stator go bad?
    Well, over the years, this is what I have found. BVS-battery voltage spike (charging the battery while in the craft at too high amperage, not having the battery isolated (disconnected), jump starting the craft with a running vehicle, incorrectly used jumper pack, battery connection arcing from loose connections (grounds and post connections), pour grounding of stator (i.e. corrosion/early stator poor design), over revving engine (spinning a modded engine over 7600 rpm [they lose the ability to ground or properly dissipate heat]). A lot of heat increases resistance and makes for a poor ground. The heat comes from the stator creating the amperage needed to power the electrical system. The stator cannot dissipate the heat fast enough through the aluminum stator plate and flywheel housing (this is why the fuel injected models with the big stators need to run water through the front housing). The additional water through the stator cover cools off the aluminum so that the stator does not burn up. This mod can be performed easily and for little expense, depending on your model of course. With these being the common items of failure you will still get the “normal” failure as well.

    Coils are tough units.
    As in all applications, PWC, ATV, Motorcycles & Cars, these rarely fail. There are a few times when they do, but, it’s not usually the case. The triples do not get an updated coil when getting an ignition upgrade kit. I think I have seen maybe 5 bad coils with the Polaris PVL ignitions for the triples. There is a newer version of the coils-red podded being older and black podded the newer version with sockets for the high tension leads (spark plug wires). Both are very good units. The 700 twins get new coils/wires with their kit. The newer version has sockets for the high tension leads and has wings to lie in the electrical box.

    OK, so know you are armed with the major components of this system. There are a few other items but we’ll cover them later!!!!!!

    You have no spark!

    Purchase a multi-meter (they are inexpensive, starting at about 30.00) and will help you with trouble shooting other items in the future.

    Do you have a good battery?
    It must be fully charged and have at least 10.6 VDC while cranking your unit (measured at battery). A bad or weak battery will drive even the best techs nuts. Charge and load check them when you have a no spark condition. Make sure the battery level is topped off. If the battery is weak, you will usually see a spark just as you let off the start button.
    The battery plays a large role because it is a digital ignition and needs a strong battery to fire the coil, run the diodes, capacitors, and micro-processors in the CDI box and stator.

    Once the battery passes the test.

    Please get a service manual before going any further. You must check the stator and other ignition components for good continuity. Some of the reading that you are going to get from the stator might not be exactly as mentioned in the service manual.
    Here are some of the tests that I have come up with. Keep in mind, this is just a guide and not a “how to” so you must understand all of the components in your system.
    Not mentioned is the LR module which fits the later boats and operates the start/stop and bilge.

    Check all your connections at battery and engine grounds through the box and check you terminal board in you electrical box and see if they are corroded. Also check the terminals on the board. Move them and see if any are loose. You also need to check the back of the board and make sure it is not all corroded or rusted , it should have dielectric grease on the back of the board. This helps the corrosion factor and keeps moisture out.

    Checking the connections and wires; This can be done with a meter on the ohms scale and or the VDC (volts d.c.) to measure voltage drop. you should not have any more than 1 ohm and no more than .5 VDC drop on any given wire/circuit. Be sure to check ground at engine block and to electrical box as well.

    While you are in the box disconnect the black/yellow wires at the terminal board (this is your shut off/kill circuit) and will take it out of the equation.
    If you still have no spark, re-attach the wire back to the terminal board so that when the engine fires, you’ll be able to shut it down.

    Disconnect the grey wire going to the CDI box (this is the limiter and sometime if you have a bad CDI will ground out and not cause any spark. You can leave this unplugged during the testing procedure.

    OK now check for 12 volts on your red purple wire going to the CDI box. If you do not have 12 volts start back tracking on the wire to find where the wire has lost it’s 12 volt source. The wires off the circuit breaker are known for corroding.
    Check for voltage drop across the circuit breaker as well as an ohms test. You are looking again for no more than .5 VDC drop and no more than 1.0 ohm of resistance. You should have battery voltage on the supply wire to the circuit breaker. If you have no power, trace and restore the 12 volt supply.
    Now unplug the brown wire at the CDI box. This is your feed to the stator that will supply voltage to the trigger coils. With your meter on volts dc put the black to engine ground and red to the brown wire coming out of the CDI box. Make sure that you are on the right wire here (you want the one coming out of the CDI box). Crank the engine over and you should see 7-9 VDC. If you have the 7-9 volts then your CDI is supplying voltage to the stator and chances are the stator is bad.

    If you have no voltage leaving the CDI, perform the following test;
    With that same brown wire disconnected at the CDI box do the following. Find the wire going to the stator (again make sure you have the right wire). Get yourself a 9 volt battery and put the negative side of the 9 volt battery to engine ground and the positive to the brown wire going to the stator. Crank engine over and see if you have spark. If you have spark, you have just verified the CDI box is bad as it does not supply power to the stator.
    If it doesn’t spark, you probably have a bad stator.
    Last edited by ph2ocraft; 08-06-2008 at 01:13 PM.

  7. #7
    AWA Member 32DegH2O's Avatar
    Join Date
    Aug 2006
    Minneapolis, Mn.
    Wow you can't get much more info than that

  8. #8
    PolarisNut's Avatar
    Join Date
    Dec 2006
    Lower Michigan
    Charge the battery again. A fully charged 12v battery should read more than 12v...more like 12.8, depending on exact type. Some batteries will read 12.0v and technically be 90% discharged.

  9. #9
    Watcon's Avatar
    Join Date
    Oct 2005
    Seattle WA

    Polaris Blues.

    Hook the ski to your car with jumper cables and check for spark..Don't use another jet ski battery as a jumper,jut use your wife's car..
    The battery is most likely NFG, Even if it was new..


  10. #10
    Click avatar for tech links/info K447's Avatar
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    Jul 2007
    near Toronto, Canada
    Quote Originally Posted by Watcon View Post
    Hook the ski to your car with jumper cables...
    But do NOT have the car engine running. Just jumper from the battery.

    The jumper connection must be made cleanly, no wiggling or sparky connections. We have had a number of Polaris owners report their PWC electronics (CDI, mostly) tested bad, right after they jumped the PWC battery from another source.

    Your best bet is to buy a really good quality AGM battery, and know your machine has solid power. No risk to the electronics, no messing around.

    More information on AGM type batteries.

    There have been numerous folks who have come here with various no-start symptoms. VERY often, the battery they had was NOT as good as they thought it was.

    When they installed a really good battery, either ALL the problems were solved, or the remaining problems were much easier to diagnose, now that they had solid electrical power.

    Quote Originally Posted by explude View Post
    ...Shitty battery= shitty time so get a NEW one!!!!
    Quote Originally Posted by deadinwater View Post
    ...Took member K447 battery suggestion and put in ski.

    1st crank ski started.

    Moral of story: You buy sh_t, You get sh_t...
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