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  1. #1
    pro785project towman1987's Avatar
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    87 Kaw 300 Rebirth

    Well I found this ski floating around on craigslist here in Saint louis for 100 dollars and had to have it. I am also a polaris guy who has a pro 785 that I just rebuilt the top end of .I did it with the help of many fellow Hulkers.. It was my first rebuild and all is well so far!! So with my confididence up, I took on this one that sapposedely had everything there but dissasembled and boxed up... well after getting back to illinois I found i had 2 bolts broke off in the case.. also, no stator, magneto, or the coupler that meets up to the drive shaft coupler thing.. So I got on Ebay and found a complete motor for 200 shipped It arrived yesterday and i found out i have some problems... it DOES have the juice parts (stator mag) but I am having problems getting the engine mounts to line up It seems like the coupler on the engine is too long.. maybe a different year?? Well end all be all... I bought this ski for a project bwcause ive never rode a standup and also to give this ski another chance and a new home (maybe) pics to come!
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  2. #2
    pro785project towman1987's Avatar
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    just figured i could get a little help from some stand up guys.. Im new to the Kaw forum so I dont know who to talk to.I seen theres been 30 views so im just hoping that some one will chime in..

  3. #3
    pro785project towman1987's Avatar
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    Thanks ALOT guys!!! Been a Big help...

  4. #4
    kinda confused on what you are asking for help on....the biggest piece of advice I could give is go find a 5 or650 to swap in if going this far anyways, the hulls are nice but that 300 barely gets that thing to plane. The 550 is about the smallest you can go on a stand up with a factory engine and still have fun

  5. #5
    pro785project towman1987's Avatar
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    im going with the 300 right now, i have 2 300 engines and a 550 engine as well. I just want to get it together to give to my 85 pound nephew. I will keep the 550 on stand by for when he gets bigger. I think my problem is that i have 2 js motors and a 300sx hull... picking the shortened coupler up tonight to see if it will work. Just wanna get it wet

  6. #6
    RLACEMAN's Avatar
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    This will be a great ski for your nephew, these are more fun than people think, I drove one of these for a day back in 1991, It was just rebuilt & my job was to break it in. Was able to hit 35mph with a 175 rider.

  7. #7
    like the paint job

  8. #8
    I even believe these used to race the 300sx back in the day i believe they were called "cobra" hulls, which had the 300/440/550 JS poles on them.

    You can drop bigger motors in them, but the biggest is a modified 550, ive seen people drop 650 - 800 in them, but that would be useless without getting a bigger pump.

    the 300sx and js used the 440 style pump.

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