07-11-2010, 01:33 PM #1
So much for running perfect on my SLT!
Yep, went to check the wash on the pistons today to stop any problems from happening. like going lean and guess what? the Pto has a crack in the piston! wonderful... it ran great too.. no idea how that happen.. have to get Another .25 bore and piston,, fun fun,,,, cant wait to get started.lol
they all look the same pretty much,, black and lean.. theres some wash but not much. i was using the stock settings.. ill have to turn them out some more looks like after i get it fixed Again..errrrrr This blows...
Good thing , I decided to check it and not take it out,, the bores look great so just a piston or and oversize bore n jug is needed.. fun fun.... How in the world did this happen? who knows......
know whats funny? the broken one has the best wash.lol
If that wasnt enough,, the very first nut I took off, it was kinda hard to move so I was pulling, it let go and slit my elbow wide open too.lol opps. nice little gash..
07-11-2010, 04:03 PM #2
07-11-2010, 05:53 PM #3
stock in the pto and mag, the center i dont know right off hand.. top to bottom is pto center mag.. center is ,25 over with honed jug and rings that were in there.. i rubbed my finger on the cracked one, thats why it looks smeared or lighter
BTW, good thing i didnt take it out today, we had a nasty storm with 60mph winds blow thru.. just imagine if it blew up today out on the lake and that storm caught me. ouch.
07-11-2010, 06:53 PM #4
07-11-2010, 07:47 PM #5
What I saw today looked like Bow's on the PTO and MAG minus the crack of course. That compression gauge goes in each hole after every ride also. You guys have me paranoid.
07-11-2010, 09:03 PM #6
bowsniper, this a dumb question but you do have the triple pump on the ski dont you? My #1 SLT 750 I did the triple pump all new fuel lines and selector valve. It fires and runs great everytime. #2 SLT 750 I bought with number 1 piston burnt and number3 had already been replaced. I replaced #1 piston and cyl. all fuel lines new triple pump from Zigler and rebuilt all three carbs. Went a little over factory on high carb adjustment. Ski ran like crap for the first couple of starts and then ran great. Took it out this weekend and it ran super, about 52 or so. I am a firm believer in going thru the whole fuel system. Good luck!
07-11-2010, 09:50 PM #7
07-11-2010, 10:57 PM #8
you could say it like this,, melted rings and land,,hole in piston and all black, all black,, all black with small wash(thats me) black with finger marks.chocalate brown with nice port transfer wash and intake/exhaust.(obvious washing) large wash, half clean, clean.
That puts me at number 4.lol i need to be at 5 or 6 to be safe I think.. i dont care about 1 mph or 2. big deal. i want it reliable. just your basic let anyone ride it and never worry kinda ski.. like the old xp's use to be like..89-90 bulletproof ski with a great hull back in the day.
07-11-2010, 11:04 PM #9
Not a comp check everytime, a WASH CHECK everytime. then do you compression test..
Keep a log maybe, of your current carb settings and jet sizes(highs and lows) in all carbs and date of rebuild. compression test, max rpms,and speed too.. you wont remember all that 2 months from now.. then if you need to make an adjustment, you can refer to what you have going on..
a nice chocolate brown wash with good wash marks may not be possible with todays crummy gas.. sometimes i end up using 10% ethanol junk to run if i have too. guess i shouldnt. that may contribute to the black dome instead of chocolate color.. and the type of oil you use in it too will change things I bet .. I use valvoline and other good brands of 2-stroke oil in it.. I dont really stay with 1 type of oil like i do on the Pro.. I go with klotz 50 racing oil onlyon ithat ski..
can anyone post a 750 awesome recent wash on thier ski? I think we newbs would like to see that.. not some pic from 10 years ago from a perfect running ski back in 1997,lol I mean like heres mine from yesterday my settings are..... that would give us all good insight what can be obtainable by tuning these fugis correctly.
07-12-2010, 12:05 AM #10
Can you remove the head and put it back on without changing the head gasket?
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