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Type: Posts; User: zum

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  1. Replies
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    well first of all i want to thank you all for all...

    well first of all i want to thank you all for all the input

    and especially WFO Rich from WFO for answering my late night call and taking the time to share his experiences with me in figuring out...
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    thanks for the assurance in eliminating those 2...

    thanks for the assurance in eliminating those 2 scenarios

    i will be sure to remove it and post pics for you guys tonight but for now i have checked with a straight edge and used my fingers (very...
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    that cylinder was bought used and was lightly...

    that cylinder was bought used and was lightly honed before it was installed. so now that you mention this it might have been mildly ported... hmmm never gave that any thought as i never see people...
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    i had already done the fuel pickup door mod when...

    i had already done the fuel pickup door mod when i rebuilt the engine 20hrs ago i emptied the fuel tank and went ahead and also removed the sending units flap.

    it does have a primer installed on...
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    as much as it pains me to think that ill have to...

    as much as it pains me to think that ill have to remove the bottom end of the engine and split the cases i agree this could have been what happened here even tho the crank bearings are only about...
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    carbs have been freshly rebuilt 20hrs ago with...

    carbs have been freshly rebuilt 20hrs ago with all oem kits
    ill be sure to check the filters

    i agree it could have ran lean its just scary to think running low on fuel would cause damage. I...
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    it most certainly does look like it grabbed the...

    it most certainly does look like it grabbed the exhaust port im just stumped as to why and how it happened. hoping other members can help me gather ideas on what to inspect and check to insure this...
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    premix was at 32.1 detonation sounds plausible...

    premix was at 32.1 detonation sounds plausible how would i go about checking to see if it was? check the timing??? anything else that should be tested or checked? i know all the spark plugs are...
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    hmmm... that would be impossible to do at least...

    hmmm... that would be impossible to do at least without noticing because the piston ring pins are on the opposite side of the arrow markings on the piston which is there to indicate that the arrow is...
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    thanks vdekock for trying to help but picture #3...

    thanks vdekock for trying to help but picture #3 clearly shows the arrow is facing the exhaust port and there for the piston rings where installed correctly. (ring gaps facing towards the intake side)
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    every picture i posted is of cylinder 2 which was...

    every picture i posted is of cylinder 2 which was the damaged one
  12. this is interesting... i had what might look like...

    this is interesting... i had what might look like the power valve kissed the piston on my ski but i was under the impression that as long as the clearance was in spec the power valve even at its most...
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    compression for cylinder 2 was zero while 1 and 3...

    compression for cylinder 2 was zero while 1 and 3 where fine 115 each

    it was running fine all day ... then as the sun was setting i went to ride it empty of fuel and got the low fuel buzz and it...
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    tell me what you see gp1200r

    ok so my gp1200r went down last weekend and i have some pics of the tear down and HOPING :shock: to get some help figuring out what might have went wrong. :smt100

    main thing i noticed was how low...
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    drivers side of the hull under the...

    drivers side of the hull under the headers/exhaust coming off the pistons
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    just wanted to say this thread inspired and...

    just wanted to say this thread inspired and scared me to work on my 1st gpr

    just wish u lived closer bud so we could have helped each other out haha
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    FS both mirrors shipped to 95307

    both mirrors shipped to 95307
  18. Thread: gp oem cover

    by zum
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    WTB gp oem cover

    already sourced one thanks fullboogie
  19. Thread: Gp1300r part out

    by zum
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    FS - Parts bump for pics of cover :)

    bump for pics of cover :)
  20. Sticky: diggin the kawi start stop switch and looking to...

    diggin the kawi start stop switch and looking to do that mod to my gp since the oem one is such junk.

    was it a straight plug n play?
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    did you ever get around to making this work? ...

    did you ever get around to making this work?

    im looking to do the same
  22. Thread: Yamaha GP1200r

    by zum
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    how is your rebuild coming along also be sure...

    how is your rebuild coming along

    also be sure to pressure test it before putting it back in ... i know its kind of a hassle getting together a guage but its well worth the assurance you'll get
  23. Thread: gp1200 no spark

    by zum
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    my ski would not start and it was the start stop...

    my ski would not start and it was the start stop button on the bars that had me in a fit... we opened it up and cleaned off the contacts inside the button and she started right up.

    good luck...
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    cutless covered it all you most likely had a...

    cutless covered it all

    you most likely had a light seizer in one or more cylinders and will need a top end rebuild (new rings piston and rebuild cylinder) im sure when you tear it down you will...
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    whooa! dude im scared for ya bud... i hate to say...

    whooa! dude im scared for ya bud... i hate to say it but i think its best to tear it down and find out

    or you can ride it till it gives out, up to you.

    let us know if you find out.
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