http://pg.photos.yahoo.com/ph/mamabird3@sbcglobal.net/album?.dir=/6557

Here is a link with photos. Help me figure out what I have got. Thanks.
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DAYTONA SPECIAL,74 RD350 LONG ROD, 2 RD200 ELECTRIC'S,88 NSR 250RG, MICRO SPRINT CAR W/CR 250 ENG

deffinately not a '16. they have 3 spoke wheels, rear lights under tailpeice not recessed and cdi ignition boxes under servo motor instead of a pgm module. looks like an '18. i believe all engines are stamped mc16 just to confuse us stupid people ( Hello!! ) could be wrong tho'.
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it's a name, not a condition

early r2j mc18 my good man with bits missing.
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faster-faster-faster-faster+pop. oh sh*t its fecked again.

the frame says mc16 also the previouse owner said as far as he knew it has mc18 forks and wheels, but from what ive learned it has more than that would you gentlemen say that they were mc18 cyls also? are the bottom ends the same?
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DAYTONA SPECIAL,74 RD350 LONG ROD, 2 RD200 ELECTRIC'S,88 NSR 250RG, MICRO SPRINT CAR W/CR 250 ENG

they are all marked mc16e, and nearly all the same(to a point).looks mostly mc18 to me

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faster-faster-faster-faster+pop. oh sh*t its fecked again.

It's an MC16 frame, for sure.
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Andy.
NSR-WORLD.COM

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i understand that most of the things on this bike are not adaptable but somehow they are? it looks like to me a mc16 frame and bottom end with a chopped up mc16 wiring harness with a mc18 inst harness plugged into it and mc 18 engine control box's spliced onto the existing harness and a mc18 tail lite which is spliced in also.
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DAYTONA SPECIAL,74 RD350 LONG ROD, 2 RD200 ELECTRIC'S,88 NSR 250RG, MICRO SPRINT CAR W/CR 250 ENG

Ive looked at both my mc18 r2j's, all your parts are from a 18 r2j,my frames have a sticker saying mc 18 and the frame numbers stamped in the headstock start mc18-,whats yours say?forget the sticker as you can change them.Show me a photo of were the top fairing mounts as the 18 has a different mounting point welded to the frame from the 16.Looks like you top end has been rebuilt and the rear shock looks like new and the carbs.

Heres the ad of your bike.

CA STREET LEGAL WITH PLATE!!

88 Honda NSR250R

88 mc-16 frame and engine
88 mc-18 forks, body work, wheels, brakes, wiring
harness, CDI...

total engine rebuild (2 miles)- both cylinders
replated, new rings, gaskets, oil seals....
rebuilt front brake calipers
replaced springs and fork seals
new DID chain
new pirelli dragon super corsas

http://www.bayarearidersforum.com/forums/showthread.php?s=&threadid=128820&highlight=MC18

Looking at the pitcures from the ad its a 16 frame and exhausts,the switch gear is also from a 16 but the rest is from a 18.

from what i am told very little from the 18 will adapt to the 16? how do you explain this? appparently the entire ign sys that is on here aint for a 16 eng? if that is a mc18 wiring harness i'll kiss your A__. so i guess i can start my resto as a mc18, i can get a 18 harness and all the mounting crap i should be able to use a 18 undertray and subframe..yes? i cant find out what all the little black boxes are due to the parts manual giving me part no's and discription's from a 16. according to the parts blow up of the ign sys none of this is 16 do ya'll suppose it can be deregulated now? as much black tape that is on the harness it prolly allready is. SO can i make an 18 out of a 16 frame and eng? if i have all the 18 stuff?
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DAYTONA SPECIAL,74 RD350 LONG ROD, 2 RD200 ELECTRIC'S,88 NSR 250RG, MICRO SPRINT CAR W/CR 250 ENG

motulman wrote:
from what i am told very little from the 18 will adapt to the 16? how do you explain this? appparently the entire ign sys that is on here aint for a 16 eng? if that is a mc18 wiring harness i'll kiss your A__.

I wouldn't say very little will adapt, on the cotrary, I expect there's a lot of stuff that will. Just because no-one has answered all the questions for you, maybe it just means no-one has actually done it, and therefore aren't willing to speculate too much. Maybe if you do some experimentation, then YOU will be qualified to answer the next person who asks.

You've had much more feedback since you posted images like I asked. Your descriptions weren't much more than vague!

motulman wrote:
i cant find out what all the little black boxes are due to the parts manual giving me part no's and discription's from a 16. according to the parts blow up of the ign sys none of this is 16...

Yeah, well I'm working on that. Do you know that the MC16/MC18 parts manual alone is over 200 pages? That's 200 pages I have had to scan, clean up and resample, invert, then optimise so the images load as quickly as possible, while keeping the highest possible quality, then enter every single part number into tables one-by-one, and translate the descriptions.

That is why I've not all the way to the ignition section of the MC18 section yet.
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Andy.
NSR-WORLD.COM

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ok lets see what i can come up with.
the black box in the centre of the rear sub frame looks like a pgm 1 from a 18. the smaller box zip tied to the side looks like a 16 RC valve control unit. from what i can rember if you use 18 PGM and loom the 16 servo motor runs backwards so that could be why the 16 unit is grafted in.
the sub frame looks like 18 with a bit of 16 stuck on the end. the front fairing stay is all wrong for a 16 its an 18 one. the 16 frame does not have the holes to fit the stay so if it looks drilled and tapped its a 16 frame if it looks like all the other frame inserts i,d say it an 18 frame.
the front and rear end are 18.

Like Jeff says its a 18 loom and pgm grafted in.Im not sure about the top fairing stay being from a 18 as it looks different to both of mine.Also the clocks are from a 18 but the top yoke looks like a 16 one.

Doesnt he just say 18 wiring harness and cdi in the ad?