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Old 04-13-2014, 12:10 AM   #1
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Question Introduction and Question

Hello MotoHouston!

My son told me about this forum and suggested I join...which I finally did last month...I've been lurking around behind the scenes and really like what I've seen so far...but I hadn't done the intro thing...figured I would go ahead and do it now since I have a question about parts availability in the area.

I took my MSF course in June 2003 and two months later I had my first bike! A 1984 Honda CB650SC NightHawk that I bought from a co-worker friend of mine. I rode it for a year and a half till the battery died and the rear tire got bald. Life, a lack of financial resources and I don't know what else kept it sitting in my yard till of right now, I need to replace the fork seals (DIY kind of job or not?) and turn that brings me to now...

Last Nov during the LSR I bought a 2007 Ninja EX250F for 1500 and that is what my question is about...over the years I've done most of the work on my Nighthawk: battery, spark plugs, oil change, carb cleaning, replaced throttle cable, lever, bled the brakes, and TWO starter rebuilds. Since I bought the Ninja, I've only had two problems: a small ?fuel? leak from the carb area and a clunking/locking up sound during start-up...OH, and a blow-back leak from the air-box (located the drain, no longer a problem) Anyway, a few weeks back, my son borrowed the Ninja and it overheated on the freeway (these things never happen with me - always with him)...we never got it started again and had to walk it home...couple of days later, we started it but it wouldn't stay on...couple of more days later, tried to start it...and got the clunking/locking up sound, then a chattering noise and then just spinning...pushed it too the back and proceeded to remove the starter... after a little work finally got it out of there (not as easy as the Hawk) and the two end seals are want to and assume I can rebuild it like I did my Nighthawk starter...I've already looked on-line and the Ninja starter rebuild kits are available (looks like they only have two bushings - smaller housing)...only problem...I'm not very I order it online I was wondering if Ninja starter rebuild kits are available locally? Because my Nighthawk is so old, I gave up on getting the parts locally (except for the fork seals and throttle cable)...

So...sorry this post is so long ...unfortunately, one of my weaknesses is that I am long-winded...but I am passionate about motorcycles and just can't help it...either way, thanks for reading and I hope to hear from some one soon. Thanks again.
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Old 04-13-2014, 12:30 AM   #2
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Old 04-13-2014, 12:30 AM   #3
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Old 04-13-2014, 07:31 AM   #4
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Welcome and all that funky jazz.

Have you contacted any of the local parts places like Motorcycles Unlimited to check availability?
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Old 04-13-2014, 08:49 PM   #5
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Welcome. I would contact Patrick at Motorcycles Unlimited.
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Old 04-13-2014, 09:19 PM   #6
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it sounds to me like you're having carb issues that are causing your cylinders to flood and hydro-lock the rotation of the engine. that would explain what you believe to be a starter in need of rebuilding. starters rarely wear out or "just go bad". yours may be bad for a reason. remove the oil filler cap and sniff the oil. if you detect a smell of gasoline, you have another problem all together. the fuel shut-off valve (petcock) should stop all flow of fuel when the bike is not running. sometimes the O-ring seal in them goes bad and allows leakage while the bike is sitting. the cabs have another shut-off valve (one per carb) that is supposed to stop the fuel from overflowing into the cylinders while the engine is not running but they sometimes go bad too. if both fuel shut-off systems are failing, you get raw liquid fuel in the cylinders and that cases the compression ratio to rise to a level that is greater than your starter can handle. therefore making it strain and sound as if it's bad. and it may very well be, now.

start with the sniff test on the engines oil and go from there.
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Old 04-13-2014, 10:52 PM   #7
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Old 04-13-2014, 10:55 PM   #8
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Starting with the Nighthawk, the fork seals are not really a DIY project unless you are pretty knowledgeable and have all the tools you need. Special tools aren't a "must" but can make the job a lot easier. Sounds like you have pretty good mechanical skills, so you could tackle it and if you find it's more than you feel good about, take them to a shop.
If the nighthawk has been sitting outside, like you made it sound, it may need more than forkseals, a tire and turn signals. Have you tried to start it? It might need a carb rebuild too.
As for the Ninja, your best bet would be to call one of the Kawasaki shops and see what they can do. I know the folks at Pasadena Kawasaki, been friends for many years, if they don't have a kit, they could maybe steer you to someone that does. Otherwise my only other suggestion would be to talk to Patrick at Motorcycles Unlimited. Really good folks there and they won't steer you wrong.
I'd be happy to help you out if I can. PM me and I'll do what I can.
What Pachuco said could be right but it could also be several other things. It's hard to diagnose problems just from a written description.
When you said he overheated it, can you give some more details on that? What happened? How hot did it get? Why did it over heat?
Asphalt is for racing... dirt is for growing potatoes. - J. Diester
When seconds count... the police are only minutes away.
Grow up and be a productive member of society already.
Bevo- "I lack skillz"

Last edited by bumblebee; 04-13-2014 at 10:57 PM.
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