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    Re: 550 I want to buy wont fire up

    $30!!! jeez man... well on you... here in South Africa things are a bit tougher... :(

    Anyways, i spoke to him again, he says I can come round and open the motor up, main thing I am after is a good...
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    Re: 550 I want to buy wont fire up

    Tried that ^, extra low ball offer... he says to me: "Does it look like I am broke to you?"...
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    550 I want to buy wont fire up

    Went to look at a 550 last nite. Looks to be in good overall condition considering the price and age.

    Anyways, he says it was running, but trying to start it last nite was fruitless. We had a...
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    Re: Cover on Carb

    Hmm, ok, weird.... a pumice rock in there? Lol... nope, definitely have not got that! Thats probably why when I bought the ski and opened the motor, there was like a whole load of beach sand inside.....
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    Cover on Carb

    I have a stock Mikuni carb with that metal cup cover on top of it and a serial number printed on it... obviously a stock item... and no air filter. This is on my 1978 JS 440. Is this safe to use with...
  6. Any luck with engine compartment painting?

    I've stripped everything out of my ski inside now, and am getting closer to paint. I have read around here advice as not to paint your engine compartment as the paint comes off. I dont however...
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    Re: Will this crank rebuilt kit fit my 1978?

    Woah! That looks great! I may have found a local contact with apparently 'lots of spare parts'. So I want to see what he has, maybe he has a bottom end in much better condition than mine, something...
  8. Re: js440 piston gets very tight at top of stroke

    I just wanted to know the reason why this would happen to better my mechanical knowledge... And was concerned maybe one of the sleeves have moved and are not perpindicular to the crank to know if I...
  9. Re: js440 piston gets very tight at top of stroke

    Anyone have any ideas?
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    Re: Will this crank rebuilt kit fit my 1978?

    shipping here is madness, probably about $3000 to ship that ski here... no jokes. Especially things of large size and weight. Parts are non-existant here, so I need to try make do with what I can....
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    Re: Will this crank rebuilt kit fit my 1978?

    Naah, we have lots of 2-stroke engineers, good ones too, they been building for years. I have two contacts at the moment, one has been doing jetskis for 20 years, and the other works on quad's and...
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    Re: Will this crank rebuilt kit fit my 1978?

    Is the 'centre ring thing' not supposed to be there? Here are some pics of my setup. Not to sound like an idoit witshill, but I understand very little of what you said in your last post, due mainly...
  13. js440 piston gets very tight at top of stroke

    As some may know I am working on a seized js440 motor. Anyways, after many evenings of perseverence and about 10 cans of WD40, finally its rotating. It actually is fairly loose now, but on the one...
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    Re: Will this crank rebuilt kit fit my 1978?

    bolt on coupler... so If I use this kit I would be one bearing short? Where the hell do I get the missing parts? looking at my bottom end now, looks like I have 6 bearings in total, and the centre...
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    Will this crank rebuilt kit fit my 1978?

    http://cgi.ebay.com/ebaymotors/PJS-CRANKSHAFT-CRANK-SHAFT-REBUILD-JETSKI-JET-SKI-550_W0QQcmdZViewItemQQcategoryZ31285QQihZ012QQitemZ220246236313QQrdZ1QQsspagenameZWDVW

    It says it will fit from...
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    Wanted in SA: JS 440/550 engine / parts

    If you have anything, pref. in JHB. My engine bottom end is dead thanks to salt corrosion... needs parts! help! Ryan - 082 371 6893, ryanb@openweb.co.za
  17. Finally found a SA relevant jetski forum!!!

    Been searching google for days for something local, little did I know it was right under my nose here at PWC!
  18. Replies
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    Re: wanted: bottom end JS440

    Is that a reed motor? What cc? I really dont have much to spend at the moment... and the major problem is the shipping charges! Have no idea what something like that is worth either?
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    Re: wanted: bottom end JS440

    ok just checked, my pistons are def. 440's... they are 68mm diam, and the 550's are 75mm (for future reference).

    Ok, so I'm keen then on the whole lot, 550 cylinder block, & head, plus the bottom...
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    Re: wanted: bottom end JS440

    ok thats cool then, so all i need is a 550 cylinder and some 550 pistons and rings? What is the difference between the 440 and 550 piston size, as I dont even know if maybe mine has been rebored or...
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    Re: wanted: bottom end JS440

    cool, the 550 upgrade sounds pretty good. will my 440 cylinder head not work with the 550 cylinder? Reason I ask is I want to try keep the weight down. My flywheel is fine, so wont need the flywheel...
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    Re: wanted: bottom end JS440

    Ya, saw those ones on ebay, they dont reply to me... ppl dont like shipping across the world... not sure why!

    Anyways, it think your price is fair... could you perhaps take a few better pics at...
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    Re: PRO Ride plate, and Mariner Pipe

    yeah, will do... the bottom end need to be resolved before I do anything else though... dont want to work on anything uncessacarily.
  24. Replies
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    Re: wanted: bottom end JS440

    no, the flywheel cover is fine... I am talking about the equivalent of the 'sump' on a 4 stroke engine, the lower crank case cover.

    So I'd need the rods, crank, upper and lower crank case.
    DONT...
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    Re: PRO Ride plate, and Mariner Pipe

    on a dam... I have a speedboat (1985, with a 1981 suzuki 85hp) too, so I'm used to spending on gas money...

    Ya, hope to have this finished by the time summer starts (around september here)... But...
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    Re: wanted: bottom end JS440

    that'd be cool, does the crank have the rods installed still? Would it work straight off the bat, or would it need a rebuild? How are all the seals on it, and the bearings? I will have to get my...
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    Re: PRO Ride plate, and Mariner Pipe

    yeah, I know you weren't knocking it! lol.... I have no idea what I am looking for at this stage, never ridden a ski, not even a wetbike.... so, once I am up and running I will no for sure! thanks...
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    wanted: bottom end JS440

    I know this should probably go in the wanted section up front, but I think its better here with the vintage specific guys.... If its a problem, let me know.

    Anyways, my bottom end on my motor is...
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    Re: PRO Ride plate, and Mariner Pipe

    fair enough, gotta be better than stock stuff though. Had no idea about this stuff when I bought it, thought it was all stock stuff... so I am happy, cos the bottom end of the engine is toast, this...
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    PRO Ride plate, and Mariner Pipe

    The ski I bought seems to have a ride plate with the word 'PRO' embossed in it, and its pink. And I got a stainless exhaust system with the word 'MARINER' embossed on it, and the big box under the...
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    Re: Removing Flywheel JS440

    hmm, naah, thanks, I will find another seller, I have been burned before, and this is not a good start. Thought it was a once off thing. Thanks hiiljt.
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    Re: Removing Flywheel JS440

    does anyone know how to contact gordy30? I sent him a few questions on ebay, twice now, and no reply in about 3-4days....
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    Re: Removing Flywheel JS440

    Thanks, have contacted gordy30, awaiting his reply.
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    Re: Removing Flywheel JS440

    ya, thats a little more than I have right now. I am going to clean everything up as best I can and see how she turns and measures up. Test pressure holding capabilities, crank trueness, and...
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    Re: Removing Flywheel JS440

    arghhh, I just got his quote. Full rebuild, equivalent of US$1000. He says he would more than likely have to replace the conrods with new ones... as they are probably badly corroded... and price...
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    Re: Removing Flywheel JS440

    thats the plan! Will let you know what the engineer says now, going there in 20 mins...
  37. Replies
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    Re: Removing Flywheel JS440

    you reckon? All the mating surfaces to the crankcase are bearings, which would be new, the weights dont come into contact with the crankcases, or do they? I am not an engineer, but I reckon it may...
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    Re: Removing Flywheel JS440

    last one
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    Re: Removing Flywheel JS440

    pics!
  40. Replies
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    Re: Removing Flywheel JS440

    Ya, well, I gave a real half-hearted attempt this evening at removing the cylinder block... gave up, From here I hand over to the engineer, they need to check the crank anyway, and I've found I guy...
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    Re: Removing Flywheel JS440

    I bought the ski with a siezed motor. It actually looks like it was rebuilt, run once, then incorrectly stored, and not flushed etc... so corrosion siezed it... I could find no signs of detonation on...
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    Re: Removing Flywheel JS440

    thats what I thought! Ok I think I get what you mean, the cylinder section (top half of block) needs to be lifted. I understand. Oh crap, I hope this isn't another long job where its stuck on, but I...
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    Re: Removing Flywheel JS440

    ok, you mean the sleeves? They are pressfitted in the block no? Do I drive them out from underneath? Sorry, not familiar with 2-stroke, this is my first.
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    Re: Removing Flywheel JS440

    hmmm, not sure I understand... I see the block seperates into two, must i seperate it? Are you saying I need to pull the sleeves out?
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    Re: Removing Flywheel JS440

    Awesome, flywheel off, just a few bangs, and one more tightening, and she popped right off. Stator and magnets looks ok.

    A manage to move the pistons also, down the cylinders about an inch. lots...
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