November 4th, 2013, 06:12 PM | #1 |
ninjette.org member
Name: Ish
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Engine Seized
Hello I am a lurker but would appreciate anyone's help.
I’ll get straight to the point… My Ninja 250 loss all her oil on the freeway while going about 75mph. Pulled over immediately after hearing a pop and the bike only traveled 300 ft. Not sure how long i traveled without oil though :/ The following day I used JB Weld to patch the hole where it leaked and I changed the filter and checked the screen for debris. Shortly after adding fresh oil the motor made a horrible noise as I hit the starter and did a few turns but it seized and wouldn’t turn anymore. Wondering what my options are for repair??? Or if any of you know of a wrecked pregen with a good motor please let me know. This bike isn't worth much, but I enjoyed riding it and would like to have her running again. Any help would be appreciated. |
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November 4th, 2013, 06:48 PM | #2 |
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Name: Kevin
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I believe the engine is toast. Not worth putting money into if you ask me.
As always keep a close eye on oil level. Did the oil light ever come on? |
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November 4th, 2013, 07:30 PM | #3 |
ninjette.org member
Name: Ish
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Yeah, I won't put any money on this motor, but i will look inside of her and see what happen.
Found a guy selling one with a good motor. Unfortunately he wants $800.00 for a bike with no paperwork and no carburetor(s) offered $400.00 |
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November 4th, 2013, 07:31 PM | #4 |
ninjette.org member
Name: Ish
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Yes after the pop the oil light came on..
I did a pre ride inspection and didn't notice an oil leak or it runing low on oil |
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November 4th, 2013, 08:28 PM | #5 | |
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Didn't the rear tire slide rolling over so much oil? Yes, your best option is locating and buying a used engine in good condition. If you have not yet, read this thread: http://www.ninjette.org/forums/showthread.php?t=147647
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November 4th, 2013, 08:42 PM | #6 |
Fix It Till Ya Break It
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throw in a used engine, then take apart blown engine and learn a thing or two.
I heard the engine in a R........awwww screw it: |
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November 5th, 2013, 04:43 AM | #7 |
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Yeaaaaah, I'd like to see a pic if that if you get the chance. What caused the hole??
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November 5th, 2013, 05:29 AM | #8 |
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The hole was probably a rod going loose. Pictures please.
Sorry you need a new engine. They are not that expensive on eBay and easy to swap.
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November 5th, 2013, 06:08 AM | #9 |
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Yes, pictures please. I think a rod is a balanced set so you might need two of them. The rods are matched to the crank via the bearings. There are markings on both the crank and the rods that indicate which bearings to use. If you get a set of new rods with different markings, then you'll have to buy new bearings too.
You'll also need 4 new rod bolts and 4 nuts. You really shouldn't use the old ones. They are made of special one time stuff. I tried reusing mine and they wouldn't torque, they just stretch. Just curious, but how many miles on the blown engine? Also, if JB-weld works, then great, but you may ultimately need a welder to fix the hole. And I should mention that a whole new case runs about $35 on ebay. Ultimately, its your choice whether you want to fix or just buy a used engine, but the problem with used engines is that its a gamble and you already own a used engine. If you need a lot of new parts to fix the old one, then they will add up fast. If the crank is bad, then its no longer cost effective to rebuild. The advantage to fixing the old engine is that when its done, assuming you did it right, it will be a brand new engine. When you pull it apart, be sure to examine the cylinder tails and piston skirts to make sure they aren't chipped. When rods break, they have a tendency to damage those. Good luck.
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November 5th, 2013, 10:51 AM | #10 |
ninjette.org member
Name: Ish
Location: San Clemente, California
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The first oil change I did I stripped the oil drain bolt and had a temp plug installed that I thought was snug.
The temp plug must have blow off and dumped the oil on the highway. That's how i got into this mess. Afterwards the JB Weld was used to just keep the (original) oil drain plugged for good and I installed a 2008-2012 ninja 250 oil drain instead. Unfortunately the engine wont turn and I'll be dissembling the whole motor next weekend. |
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November 5th, 2013, 10:53 AM | #11 | |
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Name: Ish
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Quote:
Thanks for the info. I'll take her apart and see what needs replacing. |
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November 5th, 2013, 10:56 AM | #12 |
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Bummer...
Keep your eye on this section - http://www.ninjette.org/forums/forumdisplay.php?f=16 - for a used replacement engine if you feel the rest of the bike is in good condition. You're lucky you didn't go down when the plug blew out. If you were cornering at the time it would have been a different story. |
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November 5th, 2013, 11:33 AM | #13 | |
ninjette.org member
Name: Ish
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Quote:
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November 5th, 2013, 08:06 PM | #14 |
Daily Ninjette rider
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Any motorcyclist following your track must have had its own mess.
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November 5th, 2013, 09:15 PM | #15 |
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Ok, that is something else. Looks like you ran it at high speed for an unknown length of time with no oil and burned up the engine. You wont know anything until you split it and take it apart. At a minimum, your bearings are toast. And like I said before, if the crank is ruined, its time for another engine. The probability of a ruined crank is very high.
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November 5th, 2013, 10:00 PM | #16 |
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Oh that drain plug is definitely the culprit. You may want to get a torque wrench in the future....
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November 6th, 2013, 02:36 PM | #17 |
ninjette.org member
Name: Ish
Location: San Clemente, California
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http://ventura.craigslist.org/mpo/4102794540.html
found a donor motor Told the guy I'll pick her up today if he accepts $300.00. Will this motor work? He doesn't know the mileage. |
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November 6th, 2013, 04:47 PM | #18 |
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No paperwork usually = stolen. Ask for VIN# which you can check yourself. Its almost a sure bet that its stolen if he doesn't have the keys either.
I'm not sure how anyone can not know the mileage when all they have to do is look at the odometer. Is he willing to prove that the engine runs? Or does he have another excuse? Notice that the bike has been sitting for a long time, probably 10 years or more, given the amount dust that has collected on it. I doubt if anyone has sat on it much less ridden it in that time. If he is willing to let you verify the VIN, which is free and easy online, and assuming it does not come back stolen, then I would proceed with caution. At the very least, you need to take a battery or jumper pack hook it directly to the starter to verify that the engine does at least turn over. But having sat that long, its highly unlikely that it will start because the carbs are probably gummed up. If the engine looks good, and its not stolen, then I'd consider the $500 for the whole bike. That way you have plenty of spare parts.
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November 6th, 2013, 05:07 PM | #19 |
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That whole bike is worth like 300 tops as it sits. No keys, title, or proof that it runs. I wouldnt buy it. Especially if you dont feel confident in getting it running, cleaning carbs, valves, oil change. But theres nothing saying that engine is good.
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November 6th, 2013, 06:40 PM | #20 |
ninjette.org member
Name: Ish
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I'll keep my eyes out for a better engine. THIS SUCKS FYI
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November 7th, 2013, 06:42 AM | #21 |
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Usually ebay is the best place to buy used engines. The sellers don't want to get a bad rep from you so they tend to be honest. The problem is shipping costs. But sometimes you can find a guy that is within driving distance and you can pick it up in person. And sometimes you just get lucky. I just bought one for $400 + free shipping. I was convinced that there was something wrong with it when I bought it, so I tore it down. Turns out nothing was wrong except worn bearings which is acceptable for an engine with 20K miles on it.
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November 7th, 2013, 11:19 AM | #22 |
ninjette.org member
Name: Ish
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that guy on Craigslist said the bike has 130,000 miles
I am pretty sure he means 13,000... Asked him to send me a picture |
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November 7th, 2013, 11:31 AM | #23 |
ninjette.org member
Name: Ish
Location: San Clemente, California
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Yeah it only has 13,000.00
He has the keys and the reason why he doesn't have a title slip is because he didn't finish paying it off due to bankruptcy. |
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November 7th, 2013, 11:35 AM | #24 |
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November 7th, 2013, 11:50 AM | #25 |
ninjette.org member
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November 7th, 2013, 01:31 PM | #26 |
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That would explain why its been sitting so long. He probably couldn't get a tag or insurance once he stopped paying for it. I'm not sure how it works there, but in FL, the bank keeps the title until its paid off. He definitely sounds dishonest so I wouldn't deal with him.
Like I said, try ebay. You can set up email alerts so when one gets posted, it will email you.
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November 7th, 2013, 01:45 PM | #27 | |
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Be safe rather than sorry here, pass on this one and find a better deal.
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November 8th, 2013, 11:57 AM | #29 |
ninjette.org member
Name: Ish
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January 8th, 2014, 06:51 PM | #30 |
ninjette.org member
Name: Ish
Location: San Clemente, California
Join Date: Nov 2013 Motorcycle(s): Ninja 250 2001 KX125 2001 Posts: 85
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UPDATE
I found a pregen motor for almost free
had to drive really far for it though. Will post pics of the the project |
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January 8th, 2014, 06:56 PM | #31 |
ninjette.org member
Name: Ish
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here is a pic.. I think this was a wreck bike. Hopefully the engine runs.
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January 8th, 2014, 11:49 PM | #32 |
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Does the motor even run? lol
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January 9th, 2014, 12:07 AM | #33 |
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January 9th, 2014, 12:42 AM | #34 |
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What's your base of judgement for the flow rate? compared flow rate with petcock on prime before and after your cleaned?
Make sure your vacuum lines are hooked up properly and there isn't any leaks.
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January 9th, 2014, 12:54 AM | #35 | |
ninjette.org member
Name: Ish
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Quote:
I'll fill the tank tomorrow and see if the flow rate on Prime has improved. |
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January 9th, 2014, 12:58 AM | #36 |
ninjette.org member
Name: Ish
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Here we have a picture of a 2001 Ninja 250cc engine with only 5,499 miles.
It won't spin, so I will try and disassemble the motor and figure out what happen |
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January 9th, 2014, 05:04 AM | #37 | |
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If nothing is broken or rusted in there, I would next inject some 50/50 mix of marvelous oil (or transmission fluid) / acetone through the spark plugs hole, letting each cylinder soak the mix for one or two days, while cleaning the carbs. If frozen pistons is the only problem that stops it from turning, that trick will do, avoiding further surgery and new gaskets.
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January 9th, 2014, 06:28 AM | #38 |
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There is no prime on a pregen petcock. A low flow problem may be more from the lack of gas as you suspected. The other culprit might be that the intake screens are clogged. But if you just cleaned it, there should be no problem. I suggest you put a short tube on the vacuum line and see if it opens when you suck on it. It shouldn't take very much suction.
Congrats on finding a new engine.
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January 9th, 2014, 12:06 PM | #39 | |
ninjette.org member
Name: Ish
Location: San Clemente, California
Join Date: Nov 2013 Motorcycle(s): Ninja 250 2001 KX125 2001 Posts: 85
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Quote:
It was a pain in the @ss finding a used motor. The Petcock was completely disassembled and cleaned with carburetor cleaner. The Petcock intake screens were falling apart. It's gnarly how nasty the fuel system gets.. I'll try and see if it's the vacuum as you suggested. Last futzed with by Ish; January 9th, 2014 at 12:06 PM. Reason: TYPO |
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January 9th, 2014, 12:12 PM | #40 | |
ninjette.org member
Name: Ish
Location: San Clemente, California
Join Date: Nov 2013 Motorcycle(s): Ninja 250 2001 KX125 2001 Posts: 85
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Quote:
THanks! I'll be starting a new thread in regards to the old motor. |
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