Search Results - PWCToday
pxctoday

» Log in

User Name:

Password:

Not a member yet?
Register Now!

» Find OEM Parts

» Jobs

» wallpapers

Search:

Type: Posts; User: manytoyman; Keyword(s):

Page 1 of 2 1 2

Search: Search took 0.01 seconds.

  1. Re: Rebuild or Upgrade/Swap motor in modified js550

    Thanks for the response.

    So would a stock 650 with stock pipe out perform a 550 with factor half pipe and upgraded carb?
  2. Rebuild or Upgrade/Swap motor in modified js550

    Hello. I have an 88 js550 with low compression in the front hole (90) compared to my rear (130). Cylinder walls show maybe some piston slap so it's time for bore job with oversized pistons. This...
  3. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    Update: I believe the issue is in part caused by a closed throttle plate and thus very slow idle. I didn't have my tach with me at the water yesterday but tried increasing the idle to see what the...
  4. Re: Keihin 28mm Carb Fuel not staying in carb - is there an internal restrictor in th

    Finally got back around to this ski. Turns out the carb diaphragm must have had a pin hole in it or something that I couldn't see on initial inspection (it looked good). After a quick rebuild again...
  5. Re: Keihin 28mm Carb Fuel not staying in carb - is there an internal restrictor in th

    thanks. must be a restriction in the carb then.
  6. Keihin 28mm Carb Fuel not staying in carb - is there an internal restrictor in these

    Working on an older Keihin 28mm carb from an X2, putting it on a 650sx. Starts and idles OK. But at high speed it died after about 5 seconds of running. On a hunch I put a restrictor (1/8 hole in...
  7. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    Update #3 - WSM rings have a larger gap in the cylinder than Kawasaki OEM rings. Holding them up also reveals there is a difference in size. Waiting on a new head basket before I can stick it back...
  8. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    Old thread UPDATE #2. A new year and the old problem returned in the 550. Takes 5 to 10 seconds of cranking to start when hot again. Grrrr. But get this: compression cold is 105 (both) which is...
  9. 1988 JS550 OEM Ring recommendation needed - will aftermarket rings work on OEM piston

    Hey - getting 105 compression on one of my skis (88 js550 oem STD pistons). I put WSM rings in this thing a year ago... thinking that might have been a mistake. After reading though a bunch of...
  10. Re: will 1993 550SX regulator work in 1988 js550

    UPDATE: Friday AM. I managed to put test leads across just the charging green lines coming back from the stator coil while running but the rectifier disconnected and they were showing like 25 volts...
  11. Re: will 1993 550SX regulator work in 1988 js550

    Thanks again for your help Bill. I thought about doing a load test (removing the battery and looking at both the voltage coming out of the rectifier as well as putting my meter inline and looking at...
  12. Re: will 1993 550SX regulator work in 1988 js550

    UPDATE: So I switched to an analog volt meter and tested everything again. My rectifier checked OK this time. Totally forgot about not using a DVM for that test. Lesson learned. And the charging...
  13. Re: will 1993 550SX regulator work in 1988 js550

    Thanks for writing that description up Bill. Appears to be all true from my experience. Funny thing is I thought of this and contemplated setting it back up to shark when the rider falls off (I...
  14. Re: will 1993 550SX regulator work in 1988 js550

    Thanks for the offer FOG - I should have looked there first. I bought the one off of amazon and if I can't get it to work I'll swing back your way.
  15. Re: will 1993 550SX regulator work in 1988 js550

    And this is the one I am thinking about trying......
  16. Re: will 1993 550SX regulator work in 1988 js550

    Oops - to clarify.

    "I would think if the charging coil creates the same amount of AC voltage then it should work "

    I meant to say is if the charging coil on the 550sx creates the same ac...
  17. Re: will 1993 550SX regulator work in 1988 js550

    Thanks for the quick responses! I really appreciate it as I am trying to get this 550 running asap for folks to use when we go out on the water.

    My diagnostic notes:
    1. Voltage at battery...
  18. will 1993 550SX regulator work in 1988 js550

    Have a bad regulator (tested as per manual and no good) and am having trouble finding one that will work. Not concerned about the rev limiter.

    I see lots of 550SX (like 1992-1995) for sale but...
  19. Replies
    6
    Views
    1,771

    Re: 550 steering

    Ha - I just installed them on a 550 a week ago and will confirm that they are indeed too long. I found that running a tap down the new cable ends got them to turn in several more turns before...
  20. Replies
    6
    Views
    1,771

    Re: 550 steering

    FWIT - cable ends are not the only place slop is introduced. The cable itself can (and do) get worn over time by the cable rubbing inside walls of the housing. When the inside of the cable housing...
  21. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    UPDATE: took the 550 out yesterday for a test with the one way check valve mounted in the tank on the RES line. Perfect. Ski starts and idles now when hot. So if you have a hard staring ski when...
  22. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    Thanks Bill. I needed to be more clear.
    The 85 440 has the OEM 38mm Mikuni carb that came with it.
    The 88 550 has the OEM 44mm Mikuni carb that came with it and rev limiter is present but I...
  23. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    UPDATE: after watching these carbs when the motor is turned off I discovered that both of them feed fuel (or air) backwards from the return line through the carb and back to the tank. Given 15...
  24. Re: are all sbn 44s the same - are the aftermarket sbn 44s any good

    Yes - I currently have the BN44. Will purchase a spacer for the manifold to push it out far enough for clearance.

    So the ad says "OEM replacement for Yamaha SuperJet" for the one on ebay. I...
  25. Re: are all sbn 44s the same - are the aftermarket sbn 44s any good

    sub $200 - can you recommend? thanks
  26. are all sbn 44s the same - are the aftermarket sbn 44s any good

    Thinking about upgrading a 550 to the SBN 44. I see there are both after market and new 44s available (used ones are almost as much). Are the after market ones any good? Can they by rebuilt with a...
  27. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    Oh, and the seat/needle is a 2.0.
  28. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    It's a 1988, factory half pipe, BN44, rear exhaust converted but still using OEM waterbox, STD OEM pistons with fresh lower end seals and fresh rings (and hone).
  29. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    UPDATE: Appears a leaking needle/seat in the carb was the issue on the 550. I disassembled the carb to test the popoff pressure and the assembly would leak completely down in about 5 seconds or...
  30. Replies
    5
    Views
    1,457

    Re: Slow Cranking 750SX brain buster

    I had a similar problem and it was the little spinner gizmo on the end of the starter shaft that fits into the flywheel housing cover. It was bound up on itself as the little C clip in it came loose...
  31. Replies
    6
    Views
    1,488

    Re: Depth finder?

    Thanks for clarifying Hemmjo. I do tend to use the two terms interchangeably and you are right there is a difference. As far as the bubble layer - I have not experienced that in our jet boat under...
  32. Replies
    6
    Views
    1,488

    Re: Depth finder?

    Oh, the rear cap thought is for the older 440/550s. It would be possible to mount the transponder in the engine compartment as a thru hull but if the ski is on plane then I think that area of the...
  33. Replies
    6
    Views
    1,488

    Re: Depth finder?

    I have thought about this as well. We use a jet bass boat to scope out new riding areas in the river and have two Garmin Striker 4s mounted. They will read down to about 1.5 ft (that's why I bought...
  34. Re: Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened ful

    Duramgoat - I see you are in Jasper IN. I grew up in Princeton, boating in the Patoka Reservoir. In fact I remember when they were filling it - had to watch out for stumps! Got a ticket once on...
  35. Help Troubleshooting: 440 and 550 won't start when hot unless throttle opened fully

    Hello. Hoping there is common knowledge of how to fix this issue.

    Issue: Motors won't start without WOT when hot.
    We have two skis doing the same thing. Both will start cold and idle and...
  36. Wanted: old Rippenkroeger's RIPPIN FREESTYLE DVD or VHS

    Just looking for Larry's old RIPPEN FREESTYLE video. Any format. I believe it is about 30 minutes long and shows basic freestyle techniques (not racing). Thanks.
  37. Re: Any Issue with 1.5 ID aluminum pipe for js550 rear exhaust conversion?

    Might not matter now - found a 1.75 ID aluminum tube that will work. Still curious as to what users have experienced.


    Sent from my iPhone using Tapatalk
  38. Any Issue with 1.5 ID aluminum pipe for js550 rear exhaust conversion?

    Getting ready to covert from side to rear exhaust on an 88 js550 with FP 1/2 pipe and OEM water box. Any issues with using a 1.5 ID aluminum pipe for this along with 1.5 or 1 5/8 wet exhaust hose to...
  39. Nod to Larry Rippenkroeger - Ripper Handlebars

    Check out these cool old bars from the past. I didnít know Larry had a signature line of anything let alone handlebars. Very nice curve. Oddly they are almost identical to a Slippery 4 degree bar but...
  40. Replies
    4
    Views
    599

    Re: js550 starter pinion gear quesiton

    Thanks Bionic Racing. Just confirmed crank spins 360 in both directions. Cleaned the pinion housing over night in parts cleaner and applied new grease and oil. Turns pretty freely but with some...
  41. Replies
    4
    Views
    599

    Re: js550 starter pinion gear quesiton

    It locks in one direction, free spins in the other. Question is how hard should it be to turn by hand to free spin direction? My theory is it was binding just enough to stop it from turning slightly...
  42. Replies
    4
    Views
    599

    js550 starter pinion gear quesiton

    Had my starter lock to the flywheel yesterday. Took the starter out which freed up the flywheel (very relieved to see it was only the starter that was broke) and can't see anything specifically...
  43. Re: Garden Hose running theory question - ok to turn on water first if monitoring flo

    True. The thing I was curious about was how long it takes the water to reach that point - especially if running on a garden hose. Since my T fitting will direct water in both directions Iím not sure...
  44. Garden Hose running theory question - ok to turn on water first if monitoring flow

    OK, so I have a theory question (have not done this and not sure I will). This pertains to an 88 js550. I know not to run on a hose for long and all that, just was noodling this topic in my head and...
  45. Re: JS440 and JS550 Piston Ring Reference - putting this together

    Just closing this thread out. I managed to figure out my issue: was sold the wrong ring in a NOS purchase. As it turns out this is quite common in NOS merchandise like this as the seller rarely...
Results 1 to 45 of 82
Page 1 of 2 1 2
Powered by vBadvanced CMPS v4.2.0