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DT125R Forum -> DT125X -> sick of pushin my bike
Post Info TOPIC: sick of pushin my bike
slob


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RE: sick of pushin my bike
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The fact you had a spark at some point definatly points to something stupid rather than something really bad like a fecked cdi ect.

Obviously something has been disturbed during the build. You have probaly checked all the wires a million times already I imagine. Something like a broken wire that is shorting out can be really easy to miss however.

If you get to the point of wanting to burn the bike or smash it up, take a break from it for a couple of days we have all been there.

I spent 2 weeks on an NSR with a fecked harness till I got it working bypassing wires from the ignition. Not something I would suggest you do cause you can make things much much worse. And at the time the bike was just junk at that stage of the build. Never found the shorted wire yet and it probaly still goes about with my bypass wires lol.



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Luke


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Hmmm. Most looms have them connectors and most of the wiring sits under the tank. Maybe one of the connectors aren't connecting up properly? And when you fill it up the connection is coming apart? I'll check all the connectors under the tank.

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hairdoo


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I have bypassed ignition and kill switch think I said earlier and have been following the ignition fault finder in the dtx/re online manual all which led me to this source coil going thru the wiring for it I tested each plug wire 4 continuity and the red/black wire reads open circuit the other 2 wires read 580 ohms so it must be broken ??
or am I missin something ??

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Calum122


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Those are the generator coils.

I'd agree. Mine was so hard to find and I only found it by luck. One of the connector blocks completely disintegrated.

Grab yourself some electrical contact cleaner.

Strip the bike of all unnecessary parts like fairings and tanks and spray all the connector blocks with the cleaner. Tug on the wires and turn the ignition on. Mine was switching the relays on so it was easy to tell when the connection had been disturbed.

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hairdoo


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its down to bare bones atm so your saying that's nothing to do with my lack of spark !
why did it test as faulty then ?MY eads done in ..
thort that was my problem the source coil
not tryin to be ****y or owt but there must be something wrong with it to test as dead ?
Dave

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Calum122


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Yes. But all the source coils are are a bunch of copper wound round an iron core. All it does is generate electricity with the help of a magnetic field.

However the bike DOES have a battery and CAN use the batterys electricty to create the spark. So either both your coils AND your battery are gone or neither of them are gone. (or at least this is true for an Aprilia RS125 and I'm making the assumption this would work on the DT too)

It is possible because you wouldn't know that the genny was working unless you know what you're looking for. That runs the battery down and therefore you now have no spark. However this is unlikely and I'd look at alternative solutions before replacing the coils.

They are just copper wound round a iron ferrite.



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hairdoo


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ok so ive attatched a pic of the part the manual sez is out of spec this is where the source coil wires go to that I tested n got no reading where as pick up was fine
is this just part of lightin generator or a ignition related part ??
Thanks again
Dave

ps its also loose

stator2.png



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Calum122


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That'll be the contactless pickup. So the bike knows when to spark. So the flywheel is inverse on the DTRE/X. If you look at the fly wheel you'll see a raised part on the outer edge. The ignition will pick that and cause the spark.


I'd be very surprised if that part has broken mate. Unless you've been riding around without a gasket and loose. But even then I can't see how it'll break.

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MDK


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years ago I once cleand those contacts with wire wool ..lol spent the next month trying to clean out the billions of small metal fibres from the magnets

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DTR125CO-1.jpg


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good clean up of a old batterd  dtr  95

 
hairdoo


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well as ive mentioned earlier mate this is the only thing ive found out of spec , been right thru all ignition wires wiv meter
this is the only part I can find that's dodgy according to the manual and its got some movement in it but that's where the wires the manual says to test go as followed em thru wiv meter theres a red/black a green /white n a green goin to it ! the book sez test between red/black n green / white should get a readin cant remember the range but was around 180 ohms to 200 something ! I got nothing wiv meter so im assuming its buggered !
next question is has anyone got a spare 4 sale ??

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Calum122


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Yeah I measured my old coils and couldn't get the reading from the manual. Mine still work. I'm just saying it's an expensive item to replace that has no reason to fail under normal circumstances and only go to this as last resort. If someones got one spare they could lend you that would be really handy.

 

Let alone as said the bike should run without the coils and just off the battery. So if your battery is fully charged it should still work. Should. need someone to confirm,



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hairdoo


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the coil windings are the 3 white wires they are fine its the wires to that pickup for ignition that aren't that's a part of the the entire assembly though so wud av to buy entire thing eh' the wires that go to to the pickup I arrowed are on a separate plug to the coil plug which tested fine
to sum up wud this fault give me my problem if it is dodgy ?? as sed its expensive to replace so need to be sure b4 I buy one

heres what ive found abt stator on my bike n the parts in the stator assy

stator parts.png

sorry abt this bein from another forum but thought it might be of use , if this breaks our forum rules feel free to delete it !!

b b stator service.png

b b stator.png

After scourin around ive come across this service looks like im gonna be giving em a call

to test the ignition source coil is simple enuf

Theres a grey triangle shaped plug goin to stator , to test it as per manual it tells you to check for resistance between two wires that go to ignition source coil

put + probe onto green/white wire and - probe onto black/red wire

There needs to be a reading between 192 -288 ohms if not it states replace stator

bit of a bugger its all in one unit  so im 99% ive got to the bottom of my problem !! fingers crossed

Dave  ps no bike n suns fuggin out

 

 



-- Edited by hairdoo on Saturday 17th of May 2014 07:49:16 AM

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hairdoo


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New stator fitted and have a spark so it was that after all .
took me a hour to get it rebuilt then had a quick test ride as it was tipping down all seems good again ..
Thanks must go to all who have helped esp big up to Callum 122 , MDK and DEETEEMX
Thanks Dave

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MDK


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happy you sorted it ..

always the same last thing you check should have been the first ... at least this thread may help others with problems along the same lines

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DTR125CO-1.jpg


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good clean up of a old batterd  dtr  95

 
hairdoo


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Under the thread no spark ive put how to test stator , both source coil ( for spark) and the pick up coil along with what it should read mite help someone but its for the dtx stator

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Victor


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The wires out of clutch are a rear brake light switch?
I would bet it's electrical dodgey killswitch/sidestand switch
If you disconnect the negative on the battery and bump it, this will let you know if it's a switch.
Failing that i would look at the cdi/pick up coil/stator

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Calum122


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I think this was solved. I believe it was the coil

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hairdoo


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Was the source coil on stator but thanks 4 your input anyway
Dave

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