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Old 11-20-2012, 08:49 AM   #151
elsalvadorklr
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nice usds are the best mod, well and the revalved shock...they make you go fast over rough terrain

suspension first engine mods after

what fcr? 39 or 41? from what bike or new????????????????? jejejejeje
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Old 11-20-2012, 08:54 AM   #152
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05 CRF450, 40mm is already sourced for very good price

USDs,not so much. An arm and a leg they want!
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Old 11-20-2012, 08:56 AM   #153
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By the way, do ypu have the specs of your conversion at hand? can you pm?

I think that 01+ CRF250 front end is all good right?
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Old 11-20-2012, 08:58 AM   #154
elsalvadorklr
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Quote:
Originally Posted by SlickSix View Post
By the way, do ypu have the specs of your conversion at hand? can you pm?

I think that 01+ CRF250 front end is all good right?
I never know how to tag threads or bookmark my own

its all cr250r,mine is a 2002 not crf however they share the same specs and dimensions...the valving is only different between the crf450x and the r versions...the crf450x are notoriusly stiffer than the others

steve helped me out big time...

yes the swap is a major success

let me search for the thread

christian

here you go:

http://www.advrider.com/forums/showthread.php?t=774934
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Old 11-20-2012, 09:01 AM   #155
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Thanks man, I was under the impression that it would have to be CRF not CR.

That might be a bit cheaper around here
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Old 11-20-2012, 09:05 AM   #156
elsalvadorklr
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Originally Posted by SlickSix View Post
Thanks man, I was under the impression that it would have to be CRF not CR.

That might be a bit cheaper around here
they are the same dimensionally however the valving changes a bit from X to cr only

the x has the advantage if you use their wheel of retaining the SPEEDOMETER thats all

I used an Xwheel on cr250r forks the 1999 to 2002 models also have the benefit of using the same caliper mount for the brakes so no need to use a bracket

ask steve for this detailed info...I used 2002 model cr forks and it needed absolutely no mods

cheers
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Old 12-08-2012, 07:19 AM   #157
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Sheīs ready!!

Hey guys, sheīs finished!

Iīm trying her out in a few minutes but before I just wanted to update this.

As you know, my stator was very weak, although in spec the spark was a joke so I bought some wire and went to business.

I did not see any burn marks in the exciter coils...







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Old 12-08-2012, 07:28 AM   #158
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Wired and epoxied





if you noticed, I only wired 1 of the 2 exciter coils. Why?
Well, when researching the stator rewind diy, I followed Jaws threads and bought the same wire as he did. Do you see a problem there?

He rewind an US spec stator with only one pole and those stators require thinner wire to get more turns around the pole. The Euro version uses thicker wire and gets less turns around each poles.

I decided to wire it like the US version, around one pole and 240k ohms. Itīs all good, nice big sparkly spark
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Old 12-08-2012, 11:24 AM   #159
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Look what the cat brought home
It was from a 05 CRF450 and itīs in pretty good shape, the slider, ac. pump, needle and orings all check out.

Here itīs already cleanned and rejetted with #165,42# and stock OBELR needle.



I made a connecting pipe measuring 56mm ID x 58mm OD x 4mm in lenght.
It bolted up nicely and I had to eliminate the return cable from the stock XR. The pull cable had to be shortened about 7cm. I

It clears the tank and frame, no problems whatsoever
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Old 12-08-2012, 11:31 AM   #160
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Since it didnīt came with the hotstart, I had to plug where the rod enters the carb and if
you look closely, that blue dot on the inside had to be closed too, otherwise the carb still pulls air and it
would be like the hotstart was on all the time.

I choose to plug it with gasket maker, that way itīs easily reversible if needed.







Here itīs fitted and ready to pull some horsies

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Old 12-08-2012, 12:49 PM   #161
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You will have very good throttle response with the FCR. Many of us DR650 riders have adapted the FCR-MX.Way better throttle response and low end grunt.
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Old 12-08-2012, 01:18 PM   #162
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Yup, thats a FCRMX too and just gave her the test run and she rocks!!!

It was still the 1st break in run but I got say, I canīt see the difference in response between the XR and my CBR F4i!
Thatīs good, right?

One thing bothers me though. The carb itself rattles and has an hanging idle that could be related to the PJ but I understand that it might be the vaccum plate seal.

I did clean the carb inside and the seal seemed ok...maybe flattened. Canīt compare it to a new one...
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Old 12-08-2012, 03:32 PM   #163
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Glad you updated this today,just got THREE XR600s today with 5 engines,though 1 is
an XL600.Sitting here wondering what direction to take.I reckon get one built mint and
sell,that should fund the other two! Great thing about Portugal,you dont get the same
corrosion as us.I once saw an advert for "cyro blasting",sandblasting using ice particles,
great for cleaning engines,just heat them up after blasting,it's only water,not grit!
Amazed how light an XR swingarm is.This was only a business proposition,but i'm
starting to think i might build one to keep one for myself,have to see how my Sth American
trip fund raising is progressing!
I'll stick some photos up later........
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Old 12-08-2012, 03:43 PM   #164
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These FCR's carb's do have a "chirp" to them.You did adjust the fuel screw,right-how many turn's from seated? 3 turn's try one size smaller PJ,one turn try 1 one size bigger.Made sure no vacuum leak's first.
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sandwash screwed with this post 12-08-2012 at 03:50 PM
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Old 12-09-2012, 02:23 AM   #165
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I know about the chirp/whistle, they all do it. My cousins WR does it, so Iīm not concerned about it.

Itīs the plate rattle that worries me. I did not see any problem with the seal nor excessive wear on the plate but iīll replace it anyway.

The fuel screw is 2 1/2 turns out and will check for leaks later on. Will post the ffindings.
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