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Old 08-18-2013, 07:08 AM   #6451
Local Machine
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Quote:
Originally Posted by HondaNX250 View Post
I went ahead and bought this CDI. I got it in the mail today. And i went to replace it and it was to small to go in the Holding Case. And then when i tried to start the bike it didnt seem like it had enough uff to start but would eventuality start. Its kinda like a stutter. Can you take a look? it says it compatible. But i think they sent me the wrong one.




http://www.regulatorrectifier.com/ca...X-250-CDI-Unit
If I can recall correctly some of these aftermarket cdis have a difference on the wiring layout. I remember I had to leave one of the wires on my harness out of the game.
It's been a couple of years and I am not sure which one it was tho.
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Old 08-18-2013, 09:44 PM   #6452
valvecrusher OP
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what did your NX do today?

'89 got new front and rear JT sprockets, and a new PrimaryDrive X-ring chain..


That being said, this is the 3rd setup i've ran lately...and the 2nd set of JT sprockets...
the lone set of fr/rr was OEM Honda 13/41 with a LM/ Parts Unlimited Xring.



2 of 3 front JT sprockets would NOT align to the countershaft to bolt the 'fixing plate'...tried for hours, and it was mis-drilled.
(THAT's terrible quality!!)


1 of 2 rear JT sprockets had a mis-aligned centerbore, it would bolt to the flange, but you could see the difference in the bolt hole/ center span difference.
(you could see the original magic marker indicating material to be removed)



I will NEVER again buy any JT sprocket...it appears to have very poor quality control and standards....that is just what i can tell with the alignment of the bolt holes/centerbore..

If what they shipped me 2 out of 3 times is 'Passed' in Quality Assessment, i'd hate to see what they actually produced that failed.




Only OEM Honda running gears from now on



Just wanted everyone to know.
..
if they have bought JT sprockets, and had the same issue,
especially with the front sprockets.
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Old 08-18-2013, 10:05 PM   #6453
scrambler66
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12th front sprocket

Quote:
Originally Posted by valvecrusher View Post

2 of 3 front JT sprockets would NOT align to the countershaft to bolt the 'fixing plate'...tried for hours, and it was mis-drilled.
(THAT's terrible quality!!)

Do you mean by that that the holes for the fixing plate screws are out of center? I noticed that before with JT sprockets (the right one) - the alternative would be France equipment, but I don’t know if they export to the US






These are by the way 12th sprockets intended for 1996-2004 XR250s – it would equal to a 45th rear sprocket, but you don´t have to use a longer chain.


Interestingly enough, original Honda sprockets are also drilled out of center – so I guess it’s part of the technical design and JT is actually doing it right - two out of three, at least ;-)



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Old 08-19-2013, 11:30 AM   #6454
valvecrusher OP
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Quote:
Originally Posted by scrambler66
Interestingly enough, original Honda sprockets are also drilled out of center – so I guess it’s part of the technical design and JT is actually doing it right - two out of three, at least ;-)
*edit* -i misunderstood what you said prior to eating..i was THAT hungry..lol..-

not exactly.....

in my case, the holes perhaps were perfectly centered,(when they should be offset)




On the original #1 Front,
I could bolt the fixing plate to the JT front sprocket,
but when i installed the CS sprocket and the fixing plate to the engine's output shaft, THEN the bolt holes were visibly mis-aligned..



when looking through the 'hole' for the bolt on the fixing plate,
kinda a half-moon shaped hole, with half the diameter blocked by solid metal, where it should be a normal round threaded hole..

It has happened on 2 of 3 fronts....



The original Honda arrangement has a 'dot' on the sprocket, and another 'dot' on the fixing plate, so you can see which orientation to use..
(bolt holes will only align -one- way, and when it's correctly oriented the 'dot'(s) will align to be lying nearly aside each other)


The 'assymmetrical' design is to prevent resonance/harmonics/vibration from the engine from loosening the CS sprocket bolts, thus also the 'rubber damper ring' around the OEM style sprocket.



The problem was that in the proper orientation,(mounted on the output shaft) One of the holes was about 2.5mm off, for JT front #1.
JT front sprocket #2 went on ok,(unremarkable)


and i just tried JT front #3, which was nearly bad enough that even filing the starting thread of the bolt and wearing it a little, it would barely, BARELY screw into the sprocket threads, due to the misalignment.
the one JUST installed (#3)was about .75mm off..



THIS one (#3)went on, but the last one(#1) was un-usable(tried for hours....then put the worn OEM back on in less than 60 seconds.)
Returned it, and the replacement(#2) went on in 2 mins...



This time, the mis-drill wasn't completely unusable,
however, it exhibited GREAT resistance, starting and tightening the bolt onto the CS sprocket/fixing plate.


hoping that the 'side load' of the mis-alignment will keep the bolt tight, instead of making it loosen, over time.


This time around, it was not an anomaly, it's 'demonstrative of the quality'.



The #1 JT front, it would have to be re-drilled, which of course is not do-able.



Always use a NEW fixing plate.....
and Check your fixing plate from time to time...they DO wear....
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Old 08-19-2013, 07:19 PM   #6455
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...JT is using the cheapest possible labor, both in manufacturing and in quality control.



generally, I know what to expect, and when something is a problem, vs. someone who the NX is their first bike, they ride 150 miles a year on it, and doesn't own a wrench.




imagine a new rider buying JT sprockets and fighting a mis-drilled hole for hours thinking that it is their fault,
then taking it to a bike shop, getting ripped for $400 quid labor, and having to buy a OEM sprocket anyway.


flipped the sprocket and the fixing plate in every combo at least 210 times per position, before finally calling the shop, and asking for a replacement front..

the new one,(JT fr. #2) went on in about 2 minutes unremarkably....





It was something that was duty noted at the time.
And over 14 months later, when trying another JT sprocket and having to start fighting a bolt into a thread,
seeing the misalignment to the eye(not as bad as original faulted part #1 front),
it was worth informing other NX250 owners.





2 out of 3 were visibly mis-drilled, just like i said..one of them worthless junk.....the other just sub-par junk, barely acceptable and barely functional..

2 out of 3 were NOT doing it right...
(2 out of 3 were not "meets or exceeds OEM quality and spec")

____________________________________________

The first BADLY misdrilled one: #1
when off the bike, with the fixing plate bolted to the CS(front) sprocket, you could see that the centerbore for the output shaft was misaligned, to the degree that the bolt hole center was off 2.5mm..

So you could align the plate bolt holes, or the centerbore splines(hole) on each of the two parts, but not BOTH at the same time in ANY configuration.



that is way more technical than preferred..
still looking for the pics taken of original JT#1 before it was returned...


From now on, it's going to be only OEM HONDA fronts,
and PartsUnlimited rears, OEM rears, PrimaryDrive rears, SunSTar rears, Renthal rears, etc..

anyone EXCEPT: JT Sprockets - front or rear....


_
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valvecrusher screwed with this post 08-20-2013 at 01:59 PM
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Old 08-22-2013, 12:54 AM   #6456
andreasax-1
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Anyone?

Quote:
Originally Posted by andreasax-1 View Post
Hello,
I recently became an owner of old AX-1 and i want to install xenon.

Has anyone successfully installed xenon on AX-1?

If yes what type?

Thanks
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Old 08-22-2013, 09:42 AM   #6457
Jacl-Kampuchea
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No idea, sorry.

On my AX-1 I run a HID kit in each lamp - one for full/pass beam and one for low beam.

300% improvement.

A friend runs a dual LED detup on his AX - even better than mine, but far more pricey.

If you find a Xenon kit, then try it and let us know if it works.

If not go HID or LCD.
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Old 08-24-2013, 05:03 AM   #6458
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Location: CNY.. Home of too many Liberials, yuck!
Oddometer: 353
Selling my nice 1988 NX250. Located in central NY. 5700 miles, runs great, currently registered, clean NYS title, very nice original bike. Bought a BMW F650GS so this must go!

$1600 PM me if interested.

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Old 08-24-2013, 06:43 PM   #6459
catneck
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Does anyone need spares?

Quote:
Originally Posted by catneck View Post
Bike sold W/O this box and a half of spares, take a look.
http://www.advrider.com/forums/showthread.php?t=865037

Make me an offer, they need to be put to use.
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Old 08-28-2013, 01:46 PM   #6460
legends117
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Iridium Spark Plug

Hey, can someone tell me the correct NGK number for an Iridium plug that fits the NX250? I tried to search the thread, but cannot find it. Thanks in advance -
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Old 08-28-2013, 02:12 PM   #6461
longdude17
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Anyone know where I can find one for sale in the Louisiana/texas/mississippi area??? I bought one for my ex lady friend, and well it went with her when she left, sooooo im looking for another.

DE
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Old 08-31-2013, 04:12 PM   #6462
RollingJ
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http://www.twtex.com/forums/showthread.php?t=88255
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Old 09-02-2013, 10:31 AM   #6463
HansNX
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NX Cooling problem

Goodevening all,

I wonder how you can test your cooling system because my NX gets to warm really fast on warmer days. I think my ventilator doesn't work either. Does somebody knows some good tricks for my problem?
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Old 09-02-2013, 12:44 PM   #6464
Jacl-Kampuchea
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What's a ventilator?

If your bike is overheating, check your coolant level and your oil for water/coolant in the oil.

Also, check your valve clearanc. When my bike got tight in valve clearance it got hot.
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Old 09-02-2013, 01:09 PM   #6465
HansNX
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Quote:
Originally Posted by Jacl-Kampuchea View Post
What's a ventilator?

If your bike is overheating, check your coolant level and your oil for water/coolant in the oil.

Also, check your valve clearanc. When my bike got tight in valve clearance it got hot.

A ventilator is a fan, sorry for that. My valve clearance is not the problem because it has been recently been checked by a Honda mechanic. My reservoir is full with the coolingstuff so that isn't also it. I wonder how you can check the working of your fan and if the radiator works.
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