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September 27th, 2014, 11:36 PM
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#1 |
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ninjette.org member
Name: andrew
Location: alabama
Join Date: Jul 2014 Motorcycle(s): 89 Ninja 250 Posts: 22
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89 ninja 250r motor swap to 500
Well after 40k hard earned miles and a couple rebuilds, my 250 motor just has outlived it's time. Considering an ex500 motor swap. Anyone out there done this? I'm coming in blind here, not even sure if my carb or exhaust will fit the 500 motor. I know I'd have to rejet, not a big deal. But carb is already jetted for a bored stroked cammed compression slightly raised and muzzy 2-1 exhaust. Thoughts info??
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September 28th, 2014, 06:44 AM
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#2 | |
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ninjette.org certified postwhore
Name: Fish
Location: co
Join Date: Apr 2013 Motorcycle(s): 250/300 Posts: A lot.
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Quote:
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Hey Unregistered never go faster than your brakes can be applied... |
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September 28th, 2014, 07:35 AM
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#3 |
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ninjette.org sage
Name: -
Location: somewhere cold
Join Date: Jun 2013 Motorcycle(s): 2010 Ninja 250 Posts: 596
Blog Entries: 1
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The Sportisi Motorsport guys in Indonesia managed to do this swap. I believe it required fabrication work for custom engine mounts and there is no clearance for the fairings. This was on the 08+ frames, but the pregen frames will probably have the same issues.
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September 28th, 2014, 07:53 AM
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#4 |
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ninjette.org member
Name: andrew
Location: alabama
Join Date: Jul 2014 Motorcycle(s): 89 Ninja 250 Posts: 22
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Eh from what I'm seeing the frame just can't handle it :/. I'm not trying to kill myself lol. I just really loved this motorcycle. I guess I'll take the motor apart and see how bad it is in that case. And save through winter and move up
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September 28th, 2014, 04:19 PM
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#6 |
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ninjette.org certified postwhore
Name: Paul
Location: UK
Join Date: Apr 2014 Motorcycle(s): Ninja 250, Yamaha RS200 (classic) Posts: A lot.
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I would absolutely just buy a 500 off ebay and ride it with total confidence.
They are cheap as chips. Meanwhile put an RD 400 or 350 LC motor in the ninjette (no, I'm not kidding  ) |
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October 6th, 2014, 09:30 PM
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#7 |
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ninjette.org sage
Name: bob
Location: Earf
Join Date: Apr 2013 Motorcycle(s): 2005 Ninja 250, 2006 SV650N Posts: 642
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How about a 300r engine instead?
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October 11th, 2014, 06:08 PM
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#8 |
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ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
Blog Entries: 7
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Check out the similar threads linked at the bottom of this page.
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