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MR01E vs MR02E


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simono
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MR01E vs MR02E

Sat Apr 06, 2013 8:37 pm » Post: #1 » Download Post

Does anybody know the difference between these two engine variants?

What were the differences in spec?
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MarkR

 
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Sat Apr 06, 2013 10:13 pm » Post: #2 » Download Post

Hi Simono,

There are supposedly a few differences between 01 & 02 models. Cylinders, cases and generators are apparently different.

I can provide a link to a parts list which covers both years, but unsure if this complies with forum policies. If someone can confirm it’s acceptable, I’ll post it up for you.

Regards

Mark
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simono
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Sun Apr 07, 2013 7:58 am » Post: #3 » Download Post

Hi Mark, that would be useful. So are they both variants of the NXA or is MR01 and NX5 variant?

You could always PM me the links or email me.

Cheers

Simon
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Sun Apr 07, 2013 8:55 am » Post: #4 » Download Post

Both are NXA based

When you consider that NX5 ran for so long virtually unchanged, it’s strange that Honda would make major changes (if the crankcases are indeed different) on a model year change when they were preparing to walk away from Two strokes anyway.

I think it’s useful information, I'll PM it to you and email the link to admin so it can be posted up later if appropriate.

Regards

Mark
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sennidott
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Sun Apr 07, 2013 10:07 am » Post: #5 » Download Post

MR01 is the 1993 - 2000 NX5 variant.
MR02 is the 2001 - NXA variant.
The major parts like crankcase and cylinders are different. The crankcases have different mounting points.
You can modify NXA cylinders to suit NX5 (MR01) crankcases but not the other way round.
I think the basic layout of the gearbox internals are the same.
The cranks seem to be the same for both models.
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MarkR

 
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Sun Apr 07, 2013 10:28 am » Post: #6 » Download Post

Ah, I stand corrected!

Well done Innes.

I think the last crank I had was marked NXA, which went in to my NX5. I'd have to check the box to be sure.
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simono
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Sun Apr 07, 2013 11:28 am » Post: #7 » Download Post

Well thats just saved me a few bob Innes Very Happy

MR01 engine and lots of A kit stuff for sale in USA ... Was tempted to make an offer.
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sennidott
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Sun Apr 07, 2013 12:56 pm » Post: #8 » Download Post

simono wrote:Well thats just saved me a few bob Innes Very Happy

MR01 engine and lots of A kit stuff for sale in USA ... Was tempted to make an offer.


Tell me more... Very Happy
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simono
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Sun Apr 07, 2013 1:40 pm » Post: #9 » Download Post

I do believe your looking for an airbox Smile
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sennidott
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Sun Apr 07, 2013 8:20 pm » Post: #10 » Download Post

simono wrote:I do believe your looking for an airbox Smile


Yes, yes I am. The way things are (not) progressing at the moment I'm thinking about going for the 'classic' look and running the bike without an airbox.
I have a couple of old 350LC K&N filters in the garage that could be put to good use... I wonder if I could adapt them to fit? Idea Laughing
'A' kit carbon / kevlar silencers, forks, yokes, frame, swingarm, link and shock would also be nice. Cool
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MarkR

 
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Thu Apr 11, 2013 7:30 am » Post: #11 » Download Post

Surely a tatty airbox would be better than none at all, Innes?
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MarkR

 
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Thu Apr 11, 2013 7:37 am » Post: #12 » Download Post

Here's a link to a 2001/2002 RS250 parts list, which may be of use to somebody.

2001 & 2002 RS250 Parts list

Regards

Mark
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sennidott
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Thu Apr 11, 2013 12:18 pm » Post: #13 » Download Post

MarkR wrote:Surely a tatty airbox would be better than none at all, Innes?


Yes, you are correct, but I have no airbox at the moment.
I sold a fibreglass one recently then had an 'accident' with the other airbox I had. Embarassed
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MarkR

 
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Thu Apr 11, 2013 12:33 pm » Post: #14 » Download Post

sennidott wrote:

Yes, you are correct, but I have no airbox at the moment.
I sold a fibreglass one recently then had an 'accident' with the other airbox I had. Embarassed


An accident Innes..?

What are you looking for? Through the tank or over the rad?

I have an airbox, but haven't worked out what it came off yet. It's through the tank now but was probably originally over the rad.

We're getting off topic here, so I'll post up some pictures under a separate title when I get chance.
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sennidott
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Thu Apr 11, 2013 8:55 pm » Post: #15 » Download Post

The airbox problem has been sorted. It is just a case of waiting for it to be delivered.
I would be interested in anything airbox related you have though.
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