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  1. #1

    Hi All, Im the new guy w/a question

    Id first like to say Ive been poking around this forum a few days now & am impressed by the professionalism & knowledge. Now here comes the question. I have a modded 06' 660 Rhino thats being wooped by the new Polaris RZR's. NOT HAVVING IT. So, I also have a few 97' 787's & a 95' 650 watercraft engine waiting for one to be transplanted. Undoubtably a 787 for h.p. not simplity reasons. Ive already obtained a Polaris Sportsman 4x4 Gear Box, Secondary clutch (500 H.O.), drive shafts etc. Crankshop Twin Pipes. All three of these engines I removed from wrecks , so I have everything pertaining to them like electronics etc. Woops--I said heres the question didnt I ? OK-- How to attach a drive clutch to a watercraft crank via adapter or what not, minus swapping in a sled crank. If need be , I will , but just looking for a more cost effective way. Anyone dealt with or heard of this ? Who makes a threaded clutch or something like a 30 degree threaded end ? I dunno. ????? Thanks in advance--Proflow


  2. #2
    Water Bum Rodneyae's Avatar
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    Welcome to the HULK!!!!!! Not sure if it would work but you might be able to use a polaris watercraft drive shaft coupler. Wich attaches to the crank and will alloy a use of a polaris driveshaft. This would be a start.

  3. #3
    Yep, I see what your saying. I have all those parts too. Actually the coupler & shaft from an xp 800. Still need a clutch though. Otherwise that engagement from nuetral to drive would be a killer ! Be kinda nice to have the little bit of "sponge" not to shock the drivetrain as much. Thanks & keep those ideads comming guys, she'll be the RZR KILLER ! ----Proflow

  4. #4
    Anyone have a junk skidoo, polaris , or cat sled crank I could use the tapered end from ? I'll take it to a machine shop & have it threaded. Then collar the two together w/red locktight ! Just a thought---thanks----Proflow

  5. #5
    Water Bum Rodneyae's Avatar
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    You might want to post this in the polaris section. Lots of great guys there that also own sleds ant atv's.

  6. #6
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    If I understand right,your looking to attach a Primary style clutch (like a snowmobile's) to the Polaris Crank. I think I would try a call Comet Clutches and see if the can make one with a custom inner sleave that's threaded.Or you might find one used that fits a small tapered crank and have it bored and tapped to fit the pwc threads.I don't think using the stock couple with a end off a sled would be to good,The clutch being that far away would never stay inline without bending something.Back in '83 yamaha had a crank with a pressed pto end on it and they were blowing them out of the sides,the fix that finally worked was adding a support bearing out board the clutch.
    I'll see if I can get a admin to move this to the Polaris side for more help.

  7. #7

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    Cool

    [QUOTE=Proflow;504652]Id first like to say Ive been poking around this forum a few days now & am impressed by the professionalism & knowledge. Now here comes the question. I have a modded 06' 660 Rhino thats being wooped by the new Polaris RZR's. NOT HAVVING IT. So, I also have a few 97' 787's & a 95' 650 watercraft engine waiting for one to be transplanted. Undoubtably a 787 for h.p. not simplity reasons. Ive already obtained a Polaris Sportsman 4x4 Gear Box, Secondary clutch (500 H.O.), drive shafts etc. Crankshop Twin Pipes. All three of these engines I removed from wrecks , so I have everything pertaining to them like electronics etc. Woops--I said heres the question didnt I ? OK-- How to attach a drive clutch to a watercraft crank via adapter or what not, minus swapping in a sled crank. If need be , I will , but just looking for a more cost effective way. Anyone dealt with or heard of this ? Who makes a threaded clutch or something like a 30 degree threaded end ? I dunno. ????? Thanks in advance--Proflow[/QUOTE

    Boy this is a mess; well Iíll throw my 2 cents in

    Spring seat xp have taper on crank end BUT having work on Polaris think there taper is longer and donít think enough meat to change. Have you look at clutch kit, pipe power commander and blue bottle?
    What youíre looking at will not be easy. Are you running stock tires?
    later cd

  8. #8
    ph2ocraft's Avatar
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    Pro, why not sell your Yami, buy the RZR and then start modding that mutha?
    They have some of those 800's pushing 130HP right now. Holz, Hot Seat and others are really making those RZR's untouchable in the SxS market and they are barely 6 months old.

  9. #9
    I already own the Rhino & dont want what everyone else can have. Its a pretty cool machine actually. Ive done alot of little stuff like winch, seats, gauges, ipod, heat, bumper, etc. but the stock 22 h.p. plus bolt ons is a joke. Custom metal fab is my game & this machine will be the one to beat. I'm running 28" mudlites w/a clutch kit,cdi,pipe,etc etc. woo-hoo. This thing does 52mph in about an hour. I want to build something thats absolutely ass on fire, front wheels up, & shooting a sand roost till tomorrow. If the 110 h.p. Rotax w/Crankshop twins wont do it w/proper clutching, it will get the blue bottle. Just have to get past this crank adaptor stumble & its go time. I did e-mail Comet today, still waiting for an answer. Thanks all----Proflow
    Last edited by Proflow; 01-12-2008 at 01:15 AM.

  10. #10
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    Hell,Being a member of the bastard kids of Jet ski's now,I love your thoughts. Start a thread in the Polaris Project Area and I assure you, you will have our support.I've been on alot of forums and by far these are the best group I've ever seen. And we love pictures and watching thing develop. Let's get it On!

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