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Post Info TOPIC: need help


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hi my dtr125 (98) does every thing it should to start but it wont, the wright fuel and air settings are to the book i have checked the wireing thats fine it is when i kick start my bike it fires up but just wont run can any1 help i have had people out to look at this and they cant find anything wrong with the bikes set up overall

thanks

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Faulty sidestand switch ?

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Guru

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So are you saying it runs and then cuts out or its just trying to start?
Seiki that would stop him putting it in gear would it not? i can start mine when it's on stand.


-- Edited by woll on Monday 22nd of February 2010 10:45:50 AM

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Mark


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woll took the words out my mouth bud lol

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I cant , my bike wont start or move while stands down . Funny as it did the first time I ever started it . Tried disconnecting it and it wont start at all ... just like when stands down .

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mine starts in neutral, then if i click into first it shuts off? same as your saying seiki if diff?

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Yamaha DT125R - 2003



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no it just try's to start and nothing happens after that it e.g it fires then nothing at all

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Admin

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No mine wont start at all with the stand down , in or out of gear

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you've got a dodgy switch then seiki :D

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Mark


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but anyways .. off the topic of seikis heap :P ..



have you taken the plug out and tried a spark?


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Yamaha DT125R - 2003



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its a brand new spark plug in it i have had it checked over and they cant find a problem with the bike. also the settings for everything has been checked again and they were fine but still cant get it going



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Guru

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damp ht im almost 100% from what you've described its just like mine was take it all off and stick it on something warm for a few hrs either that or your way down on compression and need rebuild

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Mark


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just done that new gaskits top and bottom bolts and nuts torqed to settings in the book also new piston and rings barrels just rebored to al wireing redone all fine the only thing that hasnt been checked is the gear box but that will have realy nothing to do with it not starting

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try cleanning out the carb sounds like a sticking float needle to me buddy

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my bikes aprillia af1 125 (striped down  project ) , honda mt 50 : h100 engine rebuilt all by me along with the crank !, supermoto wheels , motorhispna swing arm , usds forks , geneli pipe , more stuff planned looking to get another dtr soon though !



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you got that switch on tha handlebars in the correct position, some ****er had been playing with my bike one time when i was at work and thats what stopped mine from working.

i reckon its something to do with your electrics tbh, you say all the wiring was redone, maybe you should have it all double checked, just one dry connection and the bike wont start, simple as.

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Have you checked the sidestand switch yet ? I'm just saying dont rule it out .

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DTR Member

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the bike has never had a side stand switch bud

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Admin

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Then my guess is it's not the sidestand switch

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DTR Senior Member

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^ rofl...

dodgy kill switch? just had to replace mine.. getting a good spark? i know its a new plug but it would be useless if the spark wasnt there...

or keep kicking it.. sometimes my 89 is a right bitch. sometimes its starts no prob then other times I gotta kick it like 100 times.. and its not my carb either cos thats gleaming inside..

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04' DT125RE 32k miles and counting / 89' DT125R 3RN1 Rebuilt + Supermoto'd.
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Seiki wrote:

No mine wont start at all with the stand down , in or out of gear




 Seiki, sounds like your sidestand switch is ok but your neutral switch is faulty.



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Admin

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Hmmm nice one never thought of that ...sooo errr , where's that located then ? lol

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DTR Senior Member

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Seiki wrote:

Hmmm nice one never thought of that ...sooo errr , where's that located then ? lol



Ha I dunno mate as you know i'm new to the bike and all my efforts have been to get it going better. is your neutral light working?

 



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Lol No idea mate you'd have to ask whoever owns my clocks at the moment lol .

It's definitely something funny going on because for the first time it stayed on for about 20 seconds with stand down the shut off . Took switch off completely and bike wouldn't start at all .

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Seiki wrote:

Lol No idea mate you'd have to ask whoever owns my clocks at the moment lol .

It's definitely something funny going on because for the first time it stayed on for about 20 seconds with stand down the shut off . Took switch off completely and bike wouldn't start at all .



If you take the switch off you will never start the bike in gear, you would have to fit a shorting wire into where you disconnected the stand switch, I still thing you have neutral switch issues though because in neutral the bike should start with stand up...or down.

 



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