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  1. #1
    OzarkYamMonster's Avatar
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    Stumped! My GP1300 is killing me.

    Well as most of you already know, Due to Surdyke Yamaha tech installing the #1 cylinder gasket back words my world has been hell. When all this happened I went back to them & they corrected the gasket ... they said that they pulled the other two jugs and found no issues. I put it all back together and started the break in. This is where my life turn to dog shit (ski wise). Following the break in procedures I was never able to get above 4200rpm or 35 mph. I called Tim Judge, who did the porting ... he said "Steve, something is really wrong ... it is very likely that there was in fact damage to the rods or crank. Take the ski back to dealer & tell them to look for possible bent rod, or twisted crank. I did just that. I even asked them to speak with Tim Judge, the service manager said he is not going to call someone else. The service manager & tech are convinced it just some kind of fuel problem do to the loading up. They have now even removed my fuel controller so that they could eliminate that as being the source. Now it runs even worse DUH!, They have had the ski now for nine days & told me they are out of ideas, and yet are still not willing to consider that it is a result of their doing the (Hydro lock). They said they pulled the head but really could not see any sign of rod damage when looking down on pistons in the cylinders. Well I asked to speak to the owner Greg Surdyke ... not been able to yet. What do I do ? I was lying in bed last night ... and a thought came to me. What would be the conditions if for some remote possibility the 4* key way was in backwards, instead of advancing timing ... it was retarding timing? I am just pulling @ straws @ this point. Any ideas ???


  2. #2
    powerstroke specialist mikegp's Avatar
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    time to remove the front cover and find out...

  3. #3
    Banned User
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    Are u sure the raves are opening. Sure u got spark on all 3 cylinders. these are two things that will do that rpm. Bad crank from that will in most cases seem to run ok untill it throws a rod.

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  5. #4
    Prism's Avatar
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    As mentioned, check simple things first like powervalves and sparkplugs...even if the plugs are new. Spark on all 3. I once had an insulator tip break. Holding the plug and examining it the plug looked fine. If looking at it with the insulator down (like the way it sits in the engine), the broken insulator would cover the spark gap. Also had a plug not fire properly for no apparent reason before. Same symptoms you describe. Open the powervalves manually and retest for rpm after plug change and spark are verified.

  6. #5
    Prism's Avatar
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    By the way...be careful riding that thing without the fuel controller. To remove it for testing is one thing, but make sure it's back on after it checks out. You don't want to do damage to the new engine by riding it.

  7. #6
    quadzilla's Avatar
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    Hey there Ozark...

    You certainly seem to have a shitfest on your hands here..

    OK then, It should be safe enough to assume this ski does NOT have powervalves.!!
    - (since your signature mentions an 08 GPR)
    - SO.. lets rule them out completely..!!!

    The timing key if installed backwards would NOT hold back a TJ ported ski to 35mph..
    - (it'd probably do 35 running on one cylinder.??)
    - So leave the front cover where it is for now..

    If this were my ski.
    - The next test's I'd be doing is check the compression.
    - Then check the squish to make sure your pistons are making it all the way to the top of the bore.
    If these tests check out,
    - I'd be thinking a possible crank out of phase. (was the crank welded.?)
    - A hydrolock incident could quite easily knock one or two of the webs out of phase.

    One other possibility is there is water trapped inside your front cover causing major electrical issues.
    - This could have been forced past the front crank seal while the motor was being flooded.?
    - If water has been passed through then it's tear down time to replace some crank seals.

    For now you need to get your fuel controller hooked back up.
    - do NOT run a ported motor without it.!!

    As some of the others have mentioned, You may have some faulty spark plugs installed..
    - Have to say I feel your issue is probably more severe.

    Finally.
    I think you may have had all the satisfaction you are likely to get from Surdyke Yamaha.
    They will continually fuck you off now, till you just get sick of them and take your ski home permanently.
    Fairly certain they will just see your ski as a seven year old 2stroke headache they don't need or want.

    Probably better you write to Yamaha USA headquarters,
    - Again possibly nothing more than a waste of paper and postage.

    Apologies if the last paragraph seems harsh.

  8. #7
    OzarkYamMonster's Avatar
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    Thanks, Quadzilla, you have offered up some more ideas to consider. I will most likely retrieve my ski from Surdyke. I will then most likely start a complete tear down. Tim Judge also feared it may be a twisted crank. As for my dealings with Surdyke, if necessary I will have to pass the cost of the needed repairs on to them ... if no satisfaction I will file in small claims for damages (cost) of repairs. I will not go quietly into the night.

  9. #8
    Ozark,

    Like Quadzilla recommended if the compression is good do a leak down on it as well.

    Do the leak down while the unit is warm just in case the head is warped a little bit, once it get warm the metal expands and could cause the cylinder to leak.

  10. #9
    04gtxsc's Avatar
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    Offer still stands for the leakdown. Compression testor sounds like a good idea.
    Come ride with us this weekend and think about something else.

  11. #10
    Almost's Avatar
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    Quote Originally Posted by quadzilla View Post
    They will continually fuck you off now, till you just get sick of them and take your ski home permanently.
    Fairly certain they will just see your ski as a seven year old 2stroke headache they don't need or want.
    Sadly this is the case. Some places refuse to work on 2 strokes all together. They are seen as nothing by a liability. I know it sucks to hear, but I would cut my losses with those ass hats and either take on the project yourself or take a road trip and drop it off to someone that is reputable when it comes to these skis like Rich.

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