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Old June 3rd, 2013, 02:25 PM   #1
jha_ear
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Name: jhair
Location: Los Angeles
Join Date: May 2013

Motorcycle(s): Building a Ninja 250

Posts: 2
New member from CA

Whattup im jhair,

im not riding just yet! my cousin wrecked her 2011 ninja 250, bent forks, bent frame. she freaked out and wants to part it out.. i told her id take it, and she handed me over the title for it as long as i took it out of her sight. haha..
so now i want either build a new bike, or take an older model ninja and swap some parts. anyone done this? im not sure whats compatible with what? i was looking at some 90's ninjas that look nice but have engine issues, wonder if i could swap?

so my story goes, im not riding til i put a bike together. figured its a cool way to learn the insides of the bike before actually riding it.. haha

peace!
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Old June 3rd, 2013, 02:40 PM   #2
csmith12
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Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track)

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Welcome!

Most riders go the other way around but maybe someone with experience with your question will chime in.
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Old June 4th, 2013, 05:17 AM   #3
rojoracing53
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Location: Brentwood, Ca
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Old June 4th, 2013, 07:42 AM   #4
JohnnyBravo
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Name: Harper
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Welcome to the party... That's a great way to start! One of these days I hope to find a deal like that, without a hurt family member. Hope she wasn't hurt up to bad.
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Old June 4th, 2013, 12:24 PM   #5
jodag
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Name: Josquin [Jo]
Location: San Francisco, CA
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Motorcycle(s): '05 Ninja 250

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Welcome! I am currently going the other way around from you.
I just bought a used pregen, and I am slowly learning more about her, how to fix her...

I feel like what you are trying to do is possible, but it might take you a long time to find all the parts you need and the correct adjustments!
Until someone with experience comes, I recommend checking out
http://www.ninjette.org/wiki/Index
all the DIY's in this ninjette forum, and

http://faq.ninja250.org/wiki/Main_Page

You will learn a lot about maintenance/repair; which should help you with your bike later!
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Old June 4th, 2013, 12:31 PM   #6
dino74
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Location: Oceanside, Ca
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Motorcycle(s): '09 250 Street, '09 250 Race, '13 300 Race

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Quote:
Originally Posted by jha_ear View Post
wonder if i could swap?
The forks are different size and the frame is different. Post up some pics so we can see the damage and better asses your options
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Old June 4th, 2013, 01:53 PM   #7
massacremasses
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find an 08-12 with a blown motor.
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Old June 4th, 2013, 01:56 PM   #8
jha_ear
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She's not seriously hurt. She let the clutch go and yanked the throttle n hit my neighbors wall at maybe 15 mph.. Some bruising. Nothin wild. The bike took the most damage.

The bike is parted out already, her bf took it all apart in hopes to sell it, then I came in and swooped on em.. So it's pretty much a pile of parts now. I have this vision of an 89 with a 2011 engine in it.. Lol
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Old June 4th, 2013, 02:29 PM   #9
250rr
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Welcome, my friend.
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Old June 4th, 2013, 08:15 PM   #10
KJohnson21
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Old June 6th, 2013, 01:49 AM   #11
WesleySnipes
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Name: Wesley
Location: San Luis Obispo
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Motorcycle(s): 1999 Ninja 250ex 1989 Ninja 250ex 2005 Ninja 250ex 2007 Ninja 250ex 2011 Ninja 250r 1993 CBR600

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WELCOME!

Just a heads up. The new gen engine is near identical but...the engine mounts do require some machining (According to some people) I do not know exactly what but I know it isn't a 100% fit. But it isn't too bad as it still has 3 bolts that hold the engine in place in the same locations.
(Sorta Helpful)

http://www.ninjette.org/forums/showthread.php?t=75550

The New Gen Engine also has better mid range where the older pre 05 engines have better top end. I honestly prefer top end.

Depending on your budget I would just buy a new gen with a blown engine and do the swap...it is easy as hell. Buy plastic bags and a sharpie they will save your life. The engine is easily picked up too.

If you just want to ride buy a POS old gen like I did because trust me you will crash it and blow it up. Parts are cheap for the pre-gen too. Sell the parts you have the rear rim and engine alone would buy you a Pre-Gen. The most I ever payed for one of my bikes is $1300 and I over payed big time.

Also you gotta consider the MSF course Licence fees and Gear! I spent 3x as much on gear then I did on my bike.

I'll do my best to make this easy as I speak in jumbles.

Step 1:
Figure out if the frame is repairable because then all you need is a front end.

Step 2:
Look at getting gear and taking a MSF course. (It will reduce insurance plus a discount at Cyclegear for your first time purchase.) It pays for itself.

Step 3:
Look at buying a New-Gen with a blown engine and or damage to swap parts from. But it must have a good frame!
SHABOOM 5 seconds on craigslist GO BUY THIS a frame with clean title for an 09

http://losangeles.craigslist.org/sgv...848954331.html

Step 4:
Sell off some of the parts and buy a New-Gen if it is in your budget or just a pre-gen.

Step 5:
Buy gear lots and lots of gear. Trust me you don't want to end up like me or my friend who went down in a t shirt and shorts. Road rash for days brehh. Make sure it fits. Make sure it is quality. $2000 is better than brain damage or scars that will never go away.

Step 6:
Spend a **** load of time researching how to swap every part from the new gen to the old gen and you basically can. All of this requires cutting and welding. The old gen runs 16" rims so you can swap the 17" rims over to a pre-gen which gives you better tires. You could then modify the engine mounts on the frame to accept the new gen engine. The coils, radiator and everything else are the same. You would need to swap sprocket carriers which are identical.(Easier than unbolting the sprockets) You could then possibly modify the front end of the frame to accept the larger forks but I would just put new springs in the pre-gens front end as yours are bent anyways. You can also put the New-Gen rear shock in the Pre-Gen no problem.
Overall you would have one strong running well handling pre-gen.

Goodluck!
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Old June 9th, 2013, 07:21 AM   #12
greenaero
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Name: Vic
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Motorcycle(s): 1999 & 2005 Kawasaki Ninja 250R's

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Welcome aboard! Its always good to have another CA member
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Old June 16th, 2013, 10:36 AM   #13
Snake
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