Thread: Need new motor! help please!!!
07-30-2007, 06:04 PM #1
Need new motor! help please!!!
the 96 crankshafts beraring decided to explode so we are jsut going to get a new motor.. we were planing on http://www.sbtontheweb.com/ cause we heard about it from a old time racer..
now i come to this site and i am seeing other sides of the story...
what should i do? what is so bad about these motors?
if not them then who?
prices... links... please.
someone said OEM....?
is that when i go to any dealer and order everypart number in the motor and what not....?
links and info would be greatly appreciated...
i read this on the sbt web site...
Should I use an oil-block off? Oil-Block off kits are recommended for use by SBT on skis more than 7 years old with normal use, to insure your engine always receives the proper lubrication. Common failures on engines include lack-of-lubrication seizures due to failed oil pumps, breaks in lines, leaks, etc. Running a pre-mix oil/gasoline mixture solves this problem.
what do i need to do that mod? is it worth it?
i read somewhere that running premix is bad for the carbs...
and also we are looking into factrory pipe... Sea-Doo ® 650/720 http://www.factorypipe.com/p_seadoo.php
how good is this Electronically Controlled Water injection (ECWI®) system
and this company itself?
i well prob be asking more questions as i go thanks for anyhelp!
07-30-2007, 09:26 PM #2
- Join Date
- Aug 2006
- Chicago Burbs
Gasket set - $85
Rings - $35
Hone - $20 (unless you do it yourself or find someone who will for free)
Crank $150-$500 depending on if you have yours rebuilt or buy used/rebuilt/new
That engine if properly taken care of will last you 100's of hours without a problem.
07-31-2007, 05:51 PM #3
08-06-2007, 01:29 PM #4
what about any cheep mods i can do and or buy right from the dealer?
08-06-2007, 02:41 PM #5
- Join Date
- Feb 2006
- Warner Robins, GA Home of the 2007 All-Star Little League World Champions!
You should do a search on the threads...I've mentioned Rotax remanufactured engines many a time. If you've read negative things about SBT then you must have read our suggestions?
Last edited by 96XPSS; 08-06-2007 at 02:59 PM.
08-06-2007, 05:48 PM #6
does rotax themselves make refurbs? if so how much would they charge?
i dont have to money for a new ski.. i was just asking if there is any cheep stuff i could do to this to make it a little funner..
some stuff i have gathered from this site which i well look into (tell me yes or no)
-intake grat. different style.
-rev limiter(my spx jsut takes off when its out of the water..)
-new stock impeller and jet pump liner.
-a cheep exaught pipe?? from rotax themselves do they have any proformance ones? maybe a pipe from a different modle that would be better?
08-06-2007, 07:10 PM #7
08-06-2007, 11:17 PM #8
08-06-2007, 11:43 PM #9
- Join Date
- Aug 2006
- Chicago Burbs
A top-loading intake grate will keep you butt down, but you'll lose a few MPH up top. R&D makes a good one.
Any flame arrestor is good, except the K&N's - they don't pass air as well when wet. Ocean Pro, Tau Ceti, ProK, any of 'em
Try turning the idle speed down, it's on the MAG carb, underneath. Pain in the butt to see/get to. A little turn goes a long way. If you are unsure of the condition of the carbs I would go ahead and rebuild them. They're self-explanatory when cleaning/disassembling/etc. ZYou'll need to re-set your popoff. Search the site for it, there's plenty of info. If you need help with a pop-off guage let me know, I found one that's really cheap and works fine ($10) I think we already went over the SBT stuff. Call another vendor, almost any of them can get the rebuild kit for you: Watcon, atlanticjetsports, parkeryamaha, etc.
I'm not sure what "metal piece" you're talking about. Try and make everything as smooth-flowing as possible. You can sharpen the edges of the intake grate and pump stator. File down all gouges that stick out. I try and clean up the leading and trailing edges of impellers to make it a little longer on them. I don't drag race so that extra .5mph doesn't kill me.
Some people fill their wear-rings in with JB weld. Your call. New wear rings are actually cheap - $35 or so. For the bottom of the hull if it's just scratched don't sweat it. There are tests that say a scratched hull is better, tracks better, etc. If the cracks/gouges go through the gelcoat down to the fiberglass you need to fill it with something. You're supposed to use special epoxy or marine resin. I've used regular glass resin without a problem. It's clear so it doesn't match FYI.
08-06-2007, 11:49 PM #10
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