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    ‘90 650Sx Not Starting

    [COLOR=#454545][FONT=&quot][FONT=&quot]ISO help. I picked up a ‘90 650sx. It sat in a basement since ‘99. I can’t get this thing to fire. It fired once on gas manually sprayed in the cylinder. It...

    Alcott83 Yesterday 09:54 AM

    Best Sponsons for a ‘89 JS550

    Hey new to jet skiing and I was hoping I could get some insight on sponson for a js550. Also wondering some cheap performance upgrades.

    Kettlekorn 07-16-2019 12:23 AM
    Dudley Speedster

    rotax 717 wont start

    I just put in a rebuilt rotax 717 engine, hooked all up and fired right up. I put in the water and ran like a champ up and down the pond several times then the engine stopped and wont...

    Dudley Speedster 07-11-2019 09:19 AM
  • Recent Forum Posts

    River Rat

    Re: WTB 550 sx Ride Plate

    I didn’t realize that the sx and js are the same. I have one on a js project.

    River Rat Today, 08:59 AM Go to last post

    Re: Js550 crank missing orings/washer

    Another question, since we are getting into the crank, what else should be replaced besides seals? Should we replace bearings, or just make sure they're

    Bosgarage57 Today, 08:52 AM Go to last post

    Re: ‘90 650 Sx Not Starting

    It seems like you've checked the majority of the major culprits, but backfiring is usually a timing issue... Is it the stock ebox?


    demento Today, 08:47 AM Go to last post

    Re: 4 wire or 5 wire stator help??

    Thanks for this @Davenjw. Your wiring map worked perfectly for the TS650 motor I just put in my 650sx.

    dsdirect Today, 08:43 AM Go to last post

    Re: Girls and ski,s

    JSNate Today, 08:43 AM Go to last post