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2004 DT 125 RE owners or other DT owners, question please

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zetecy
Renault 5 Driver



Joined: 06 Apr 2008
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PostPosted: 20:22 - 07 Apr 2008    Post subject: 2004 DT 125 RE owners or other DT owners, question please Reply with quote
hi, i am new to this forum so hello!
I just bought a 2004 DT 125 RE today drove 400 miles return to get it! Seems ok at the moment, however, when i turn the ignition ON the oil light comes on which is normal right?
Then when I fire up the engine the oil light still stays ON,
Only untill i select first gear, does the oil light go OUT
I hope this is normal...

Also as many of you know 2 strokes need engine rebuilds regularly and the 2004 DT 125 that i just bought has done 7000 miles. How do i know if it needs a rebuild (piston and rings for example) my dad says he has compression tester, but its for car engines. hes not sure wether it will work for this 125cc bike? what testing do i need to do? (oh and the bike has not been derestricted (i.e 12-15hp)

many thanks and i look foward to using these forums!
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----
World Chat Champion



Joined: 29 Sep 2006
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PostPosted: 20:31 - 07 Apr 2008    Post subject: Reply with quote
Oil light is because it's low on 2 stroke oil.Fill it up..

Use the search button m8,this stuff has been covered many times Thumbs Up
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zetecy
Renault 5 Driver



Joined: 06 Apr 2008
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PostPosted: 20:37 - 07 Apr 2008    Post subject: Reply with quote
justmetoo125 wrote:
Oil light is because it's low on 2 stroke oil.Fill it up..

Use the search button m8,this stuff has been covered many times Thumbs Up


but how come the light goes out when first gear is selected? thats what i was asking is it normal?if it is normal then ive got nothing to worry about Smile. the oil tank is 3/4 full
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cheekythomas
Crazy Courier



Joined: 06 Aug 2006
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PostPosted: 21:20 - 07 Apr 2008    Post subject: Reply with quote
On DT125s the oil light does stay on until the bikes put into any gear, so dont panic.... Wink
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TUG
World Chat Champion



Joined: 12 May 2007
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PostPosted: 21:23 - 07 Apr 2008    Post subject: Reply with quote
zetecy wrote:
justmetoo125 wrote:
Oil light is because it's low on 2 stroke oil.Fill it up..

Use the search button m8,this stuff has been covered many times Thumbs Up


but how come the light goes out when first gear is selected? thats what i was asking is it normal?if it is normal then ive got nothing to worry about Smile. the oil tank is 3/4 full

The light stays on to tell you the warning light is working.
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ghettostan
Nitrous Nuisance



Joined: 25 Aug 2007
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PostPosted: 22:43 - 07 Apr 2008    Post subject: Re: 2004 DT 125 RE owners or other DT owners, question pleas Reply with quote
zetecy wrote:
hi, i am new to this forum so hello!
I just bought a 2004 DT 125 RE today drove 400 miles return to get it! Seems ok at the moment, however, when i turn the ignition ON the oil light comes on which is normal right?
Then when I fire up the engine the oil light still stays ON,
Only untill i select first gear, does the oil light go OUT
I hope this is normal...

Also as many of you know 2 strokes need engine rebuilds regularly and the 2004 DT 125 that i just bought has done 7000 miles. How do i know if it needs a rebuild (piston and rings for example) my dad says he has compression tester, but its for car engines. hes not sure wether it will work for this 125cc bike? what testing do i need to do? (oh and the bike has not been derestricted (i.e 12-15hp)

many thanks and i look foward to using these forums!


totaly normal Thumbs Up
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----
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Joined: 29 Sep 2006
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PostPosted: 22:43 - 07 Apr 2008    Post subject: Reply with quote
Sorry,i did'nt read the bit of your post about it going out when in gear Embarassed

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zetecy
Renault 5 Driver



Joined: 06 Apr 2008
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PostPosted: 15:19 - 08 Apr 2008    Post subject: Reply with quote
cheers guys i was really woorried i may have bought a dodgy one!

(dont worry justmetoo125 lol)

erm can anyone give me a quick answer to my second question Very Happy ?

thanks
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ghettostan
Nitrous Nuisance



Joined: 25 Aug 2007
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PostPosted: 16:04 - 08 Apr 2008    Post subject: Reply with quote
as for your second question...

when i bought mine i ask the seller when he last did a rebuilt and he said around 11/12,000miles, and when i got the bike it had about 21,000miles and when i reached 22k noticed my bike was loosing power and the head gasket was leaking so decided to do a top end rebuilt.

when i took the rings out, i noticed the bottom ring had snapped. so i defo had to get a top end rebuilt.

not sure it this really answers your question but there you go.
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element
World Chat Champion



Joined: 23 Jan 2006
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PostPosted: 18:44 - 08 Apr 2008    Post subject: Reply with quote
my re has done 18k miles on original bore, piston and rings. mines de-restricted too. 5k miles ago.. the topend is due for a rebuild now tho cos i can hear it knocking occasionally.. Ive always used fully synth (£12 a litre) oil and i dont over-rev it (bit hard without a rev counter like the older models).. the topend on these also last longer than the older DT's..

i
____________________
04' DT125RE (run-a-bout) // 89' DT125R (rebuilt + supermoto conversion)
SPARES FOR SALE. 2RK TZR // 82 DR125 // DT125R/E .... PM ME...
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zetecy
Renault 5 Driver



Joined: 06 Apr 2008
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PostPosted: 20:04 - 08 Apr 2008    Post subject: Reply with quote
Quote:
Posted: 16:04 - 08 Apr 2008 Post subject:



as for your second question...

when i bought mine i ask the seller when he last did a rebuilt and he said around 11/12,000miles, and when i got the bike it had about 21,000miles and when i reached 22k noticed my bike was loosing power and the head gasket was leaking so decided to do a top end rebuilt.

when i took the rings out, i noticed the bottom ring had snapped. so i defo had to get a top end rebuilt.

not sure it this really answers your question but there you go.


Quote:
Posted: 18:44 - 08 Apr 2008 Post subject:



my re has done 18k miles on original bore, piston and rings. mines de-restricted too. 5k miles ago.. the topend is due for a rebuild now tho cos i can hear it knocking occasionally.. Ive always used fully synth (£12 a litre) oil and i dont over-rev it (bit hard without a rev counter like the older models).. the topend on these also last longer than the older DT's..

i




Cheers for that guys, um well i dont feel/hear any unusual vibrations. its just on that website dtr125 https://www.dtr125.net/top-end-rebuildf.htm he says he did around 9000, mines done 7000 miles so just a lil unsure

just bout two new AVON tyres and mot, gear oil, coolant and kelvar gloves

and i need MORE money for a dep exhaust and silencer about 200! and if i buy a genuin piston kit from yamaha dealer is about £80. i got lots of bloody saving to do!. the exhaust on at the moment is standard, and is slightly flakey/rusty nearer the exhaust port. will it be easy to repaint in matt black or shall i just leave it. i also want to derestrict the exhaust which means disc cuttering it ahh! lol
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element
World Chat Champion



Joined: 23 Jan 2006
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PostPosted: 13:14 - 10 Apr 2008    Post subject: Reply with quote
every exhaust for a dt will rot cos they dont make one in stainless and if u dont keep on top of it then it will rot within a year. i used to rub the rust down then use some rust treatment then paint with high temp matt black paint (halfords) but i was constantly doing it so now ive given up..I had 2 stock tailpipes in the space of 14 months. they just eat themselves!! your best bet is a dep since it has an alloy tail can (unless u go for the arrow which has a titanium end can.. oooeeer. same price too). also the dep/bigone front pipes are way lighter than stock but u soon find that out when u bin the bike on the expansion pipe side and find a whoooping dent. You would be hard pushed to dent the stock can..
____________________
04' DT125RE (run-a-bout) // 89' DT125R (rebuilt + supermoto conversion)
SPARES FOR SALE. 2RK TZR // 82 DR125 // DT125R/E .... PM ME...
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zetecy
Renault 5 Driver



Joined: 06 Apr 2008
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PostPosted: 21:15 - 10 Apr 2008    Post subject: Reply with quote
element wrote:
every exhaust for a dt will rot cos they dont make one in stainless and if u dont keep on top of it then it will rot within a year. i used to rub the rust down then use some rust treatment then paint with high temp matt black paint (halfords) but i was constantly doing it so now ive given up..I had 2 stock tailpipes in the space of 14 months. they just eat themselves!! your best bet is a dep since it has an alloy tail can (unless u go for the arrow which has a titanium end can.. oooeeer. same price too). also the dep/bigone front pipes are way lighter than stock but u soon find that out when u bin the bike on the expansion pipe side and find a whoooping dent. You would be hard pushed to dent the stock can..


yer mines pretty much rusted Sad flicks off when you tap it with a screw driver lol! so yer thanks for the advice, hopefully i can source a second hand dep or gianelli. any one know where i can get carbon fibre reeds? its a 2004 DT125RE. parts online seem quite hard to source!!

all the best
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element
World Chat Champion



Joined: 23 Jan 2006
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PostPosted: 18:34 - 12 Apr 2008    Post subject: Reply with quote
[quote="zetecy"]
element wrote:
any one know where i can get carbon fibre reeds? its a 2004 DT125RE. parts online seem quite hard to source!!




ahh you've noticed how difficult parts are to find! I did know a place to get racing reeds. thing is my computer with all my bookmarks are at my ex's.... I'll keep u posted. may take a few days mind..
____________________
04' DT125RE (run-a-bout) // 89' DT125R (rebuilt + supermoto conversion)
SPARES FOR SALE. 2RK TZR // 82 DR125 // DT125R/E .... PM ME...
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zetecy
Renault 5 Driver



Joined: 06 Apr 2008
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PostPosted: 11:44 - 13 Apr 2008    Post subject: Reply with quote
Quote:

ahh you've noticed how difficult parts are to find! I did know a place to get racing reeds. thing is my computer with all my bookmarks are at my ex's.... I'll keep u posted. may take a few days mind..



cheers Thumbs Up
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element
World Chat Champion



Joined: 23 Jan 2006
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PostPosted: 18:26 - 13 Apr 2008    Post subject: Reply with quote
just got all my bookmarks. zipped em up and emailed em to myself so i can have a sift through them when i get home... Ive still got plenty of links for DT125RE parts aswell so its all good Thumbs Up
____________________
04' DT125RE (run-a-bout) // 89' DT125R (rebuilt + supermoto conversion)
SPARES FOR SALE. 2RK TZR // 82 DR125 // DT125R/E .... PM ME...
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