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Type: Posts; User: beekermartin

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  1. I would start with pressurizing your fuel system...

    I would start with pressurizing your fuel system to make sure there aren't any leaks. It is easy to do with a bicycle tire pump. Connect the pump to the check valve hose from the tank and pump it up...
  2. Thank you for the excellent response. I will give...

    Thank you for the excellent response. I will give that a try.


    Should I start a new thread when I have a question going forward?
  3. The mat in the left foot well came unglued. About...

    The mat in the left foot well came unglued. About half of it is loose. The mat itself is in good condition overall. Is it possible to remove the old adhesive from the hull and glue it back down? I...
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    If you have access to a borescope take a look. If...

    If you have access to a borescope take a look. If not remove the head on the suspect cylinder. That should tell you a lot. Removing the head is fairly easy. You can then get a good luck at the top of...
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    If the knocking is coming from the engine you...

    If the knocking is coming from the engine you shouldn't run it anymore. Most likely there is play in the crank/rods and it needs to be rebuilt.

    Easy thing to do for videos is to create a youtube...
  6. I agree with Steve45. There is not enough time on...

    I agree with Steve45. There is not enough time on those plugs to gauge anything.

    Was there anything wrong with your ski to prompt the carb rebuild? Did you burn up a piston or have a seizure?
    ...
  7. I am sorry to hear it blew a rod. That sucks. You...

    I am sorry to hear it blew a rod. That sucks. You would need to have the crank rebuilt, get a new upper and lower case (if both are damaged) and probably more if any of the piston/cylinders were...
  8. I agree that SBT seems to be hit or miss in terms...

    I agree that SBT seems to be hit or miss in terms of reliability. From what I have read here they use very cheap parts. With that said many people have had good luck with their motors and they do...
  9. I might have asked this before but what is the...

    I might have asked this before but what is the ideal RPM at WOT and flat out for the 1200 STX-R? With the modified aftermarket prop from Impros I have installed I am topping out at 7k rpms according...
  10. Just a FYI, here is a pic from ADA racing for...

    Just a FYI, here is a pic from ADA racing for their different dome sizes for this engine.

    465661

    On my freshly rebuilt engine with 42cc domes I got between 150-152 psi. I tested with plugs...
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    Here is a video of my 1200 STX-R running on the...

    Here is a video of my 1200 STX-R running on the hose. Keep in mind I have the triple pisser mod so I don't have any water coming through the two pissers that connect to the nozzle. ...
  12. Pulling the pump is fairly quick and easy if it...

    Pulling the pump is fairly quick and easy if it isn't stuck on. I would start with that to see if the engine spins with the pump removed. It is unlikely the pump is the problem but since it is fairly...
  13. As far as I know the cylinders themselves are not...

    As far as I know the cylinders themselves are not cut. I could be wrong but I believe only the heads are cut or modified. I have a couple stock cylinders I could measure for you if really needed. I...
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    That makes sense. Thank you for explaining it.

    That makes sense. Thank you for explaining it.
  15. I have been looking but no good deals have popped...

    I have been looking but no good deals have popped up yet. It is a seller's market so I am not expecting to find a deal any time soon. Maybe in the off season the right deal will come along.
  16. I finally had it on the "big side" of the pond...

    I finally had it on the "big side" of the pond today. It ran flawlessly again! The dream meter read 62 at one point. I didn't have GPS on at that moment but for whatever reason my dreamometer seems...
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    So if there is an air leak causing a run away the...

    So if there is an air leak causing a run away the stop button won't kill it? How do the plugs fire if the stop button is pressed?


    I am not questioning you I am curious how a runaway works.
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    To be sure of this remove the bracket that bolts...

    To be sure of this remove the bracket that bolts the throttle cables to the engine. I am embarrassed to say I had the same issue that I swore was not because of an over tight throttle cable but I...
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    I probably can't help much but I will post my...

    I probably can't help much but I will post my experiences since I've owned my project rebuild. Since it has been running perfectly this year the temp of the three pissers all feel identical to me...
  20. Should I install a "strainer" on my 2002 STX-R?...

    Should I install a "strainer" on my 2002 STX-R? How, what and where do I do so?
  21. I ran it for hours on Sunday as well and zero...

    I ran it for hours on Sunday as well and zero issues. I let everyone there ride it as hard as they wanted to. I pulled a few friends wake boarding too. I also gave it a few good minutes of severe...
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    All I can say is this old thread helped me verify...

    All I can say is this old thread helped me verify my carbs were not an anomaly. The the #1 carb did not have that jet/flow restrictor that it appears carb #2 and carb #3 both have. I spent hours...
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    If a cylinder is blocked of cooling it won't take...

    If a cylinder is blocked of cooling it won't take long for it to over heat and seize. The triple pisser kit is the most recommended mod because it allows you to look over at the side of your ski and...
  24. She ran perfectly all day! I even took my bulldog...

    She ran perfectly all day! I even took my bulldog for a ride. Today was my favorite day out on the ski by far! I hope tomorrow is just as fun.
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  25. I received the metal fuel check valve and...

    I received the metal fuel check valve and installed it tonight. I pressure tested it prior to installing it. It held 5 psi without any issues. I installed it with hose clamps instead of zip ties...
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