DT125R ARCHIVE

birdys3 · birdys3

alrite lasds need some of you lots legendary wisdome so far yous hav bin spot on so here we go again.1) first thing when i got my bike it was in bits in boxes bags all sorts like a huge jugsaw but worse lol anyway its put back together and running but still got spares etc with it but you no how wen u buy flat pack d...

Cameron · Cameron

Bike developed this problem the other day, almost sounds as if the kickstarts engauged but a lot louder. Think it's coming from the bottom end somewhere. Thought it was the clutch at first but that was a different problem lol. Took a video, the rattling sounds a lot deeper than in the video though. [URL...

gooner78 · gooner78

As title says i have spark and petrols getting to the carb as the plug was covered in it. The kickstart is slipping at the moment would this cause any problems i can get it kick ok the kickstart just does not return at the moment i have to lift it up manually i,m stumped normally fuel and a spark it should go ca...

NorDt · NorDt

Hey, i was woundering, does anyone know of any 34mm manifold that fits the dt 125 engine ?.

dtr200691 · dtr200691

Have 03 dtr done al derestriction bt stil slow wil nly do 65 on a gud day seems to misfire alot in high revs n strugles av tried 2 new plugs n pt brand new cap on sum1 said it cud b ht lead so went out in dark gt it warm n rev it looking under tank there was no flash frm ht lead or coil bt wear the plug screws into head a b...

birdys3 · birdys3

Anyone got any tips or magic tricks 4 removing 02 flywheel cos its not threaded like older models n like title says its a tad stuck. Ive removed 19mm nut n spacer off shaft, got a small piece of steel plate and drilled 4 holes, 3 in q triangle n 1 in middle, ive got a bolt n nut going thru middle outover wiv bol...

DTR-POWERVALVE-FTW · DTR-POWERVALVE-FTW

basicly shes running but as soon as i rev her she seems to shake and rattle it dont sound healthy...:/ .....help?

birdys3 · birdys3

Hi everyone really need some help. Had a dtr as a kid n loved it so thought id get a fixer upper project to get ready for summer. Anyway got a early90s off ebay for a couple of magic beans and a skinny chicken lol, was more like box of bits really was a real mess anyway got a 01 frame n v5 got 02 motor with powerva...

Energized · Energized

can possibly get a wr 200 full engine, would this bolt straight into the dt frame by any chance?

DTR-POWERVALVE-FTW · DTR-POWERVALVE-FTW

basicly ive got her running after a few months work and it idles fine with choke on half way but as soon as i take choke all way off revvs go up alot more....what do people think :)

Geordie135 · Geordie135

hi can someone please help. i have not long bought a DT 125 r and the guy i bought it off told me to come on here because people are very helpful. i dont know alot about bikes but there was a knocking sound in the engne and we thought it may be the head or a bearing somewhere. we took the head off and it is brand ne...

NathanH · NathanH

I have an issue that when I snap the throttle from idle the engine bogs down and stalls. Also when riding it'll bog down and take a while to pick up, if I progressivley open the throttle its fine. Im not to clued up with carbs is it a case of rejetting/fine tuning? Cheers.

NORFE · NORFE

heres a "rough guide" on an engine strip complete engine top & bottom end cylinder head 1st remove the engine from the frame and get in a suitable ,clean workspace, then get a good selection of tools to hand & rags and some brake cleaner spray THERMOSTAT ON THE TOP OF THE head theres t...

Ralzy · Ralzy

I tried to buy some Boysen race reeds for my DT125R 02 from an American company called ehimports. I paid for them 4 days ago but recieved this message our deepest appologies you did contact us about years and i did say we had all years, however i did not realize that the dt125r was made in 02 it was not made i...

the only way is YAMAHA DTR · the only way is YAMAHA DTR

i emailed a bloke last night he wants £250 for it, says its all mint condition #120892960823 item number for the bike he's breakin was going to buy it and make 2 200ccs and sell one, but if anyone wants a try, here you go

DTR-POWERVALVE-FTW · DTR-POWERVALVE-FTW

basicly she kicks over for a bit the dies...its gotta be simple....

gooner78 · gooner78

As title says it felt like a pop when i pulled the clutch in i thought the cable had snapped but it was fine i noticed the clutch release arm had lifted up by about 3cm and you can just push around with you finger it does not seem to be connected to the push rod can anyone help. -- Edited by gooner78 on Saturday 3...

NORFE · NORFE

SO COULD SOME one let me no or link me to a gear selector they have bought....does the yz ones fit ? as iv 2 welded together and looks abit of an eyesore...new welder not here yet so its a bodge, wunt mind a nice anodised one have loads of drz 400 ones but the shafts bigger on them any one ??

tripr · tripr

i had good day of the postie loadsa new shiney bits. thought my other bike deserves an overhaul so got a fresh rebore i had done a while back sitting about. went to start stripping it all down undid the rad connection cap on the head ( which doesnt even look like the right one)an theres no little gold thi...

Ralzy · Ralzy

Hi All, Been out today and when I had been riding the bike for say 30mins or so I pulled over for a fag stop my temperature was fine at that stage but I left the bike ticking over and it started to overheat and was only on the tick over I hadn`t been giving the throttle any welly or anything I switched the engine...

DTRJoeW · DTRJoeW

Brought some Boysen race reeds off ebay, brand new, i mean i just brought the reed petals, and i werent sure if anything would be needed to make em fit, as the Vforce reeds need porting on the inlet, and i werent sure if it was cause the reed cage what comes with it or if the reeds would rub aha Anyway, would i...

fused420 · fused420

A new problem to ad to my never ending list, haha. Torquing up the drain screw and it just keeps on turning...drip drip..drip drip.. ha Anyone else had this problem? I was thinking of trying one of them heli coil kits off ebay, but not sure if it would keep things water tight. Or will i need a whole new clut...

DTR-POWERVALVE-FTW · DTR-POWERVALVE-FTW

right my 1995 dt125r has already got a nice full dep systerm....powervalve mod......airbox mod....and jetted to 260 to help with engine temp and eneral running ...i wanna no what else can i do....im thinkin clutch wise....carb wise....bigger bore(even tho i hear there a no no....sprockets........

spadge · spadge

sup guys not been on in a whille moved out and didnt have internet and been too busy fannying around with the bike nd cars BUT after my first rebuild of the DT turned out that using cheap and nasty oil has caused me a los of compression ( a lot ) one of my friends asked if the rings were shiny and said this was a pr...

jamesie · jamesie

hi peps does any one know why the above is happening , I am stumped and it costing a fortune in oil. Cheers Jamesie

Sub Forum	Topics	Posts	Last Post
Coolant System - Read Only Sub-forums: FAQ (Coolant System)	22	273	Aug 31, 2015 by AndyYam
De-Restricting - Read Only	18	345	Apr 1, 2014 by Victor
Athena - Read Only	13	184	Sep 26, 2014 by Calum122
2t Oil - Read Only	18	167	Oct 14, 2014 by MDK

Topic		Started By	Replies	Views	Last Post
	any ideas?? ( 1 2 ) (Preview) alrite lasds need some of you lots legendary wisdome so far yous hav bin spot on so here we go again.1) first thing when i got my bike it was in bits in boxes bags all sorts like a huge jugsaw but worse lol anyway its put back together and running but still got spares etc with it but you no how wen u buy flat pack d...	birdys3	37	959	May 8, 2012 by birdys3
	Grinding wurring noise?? (Preview) Bike developed this problem the other day, almost sounds as if the kickstarts engauged but a lot louder. Think it's coming from the bottom end somewhere. Thought it was the clutch at first but that was a different problem lol. Took a video, the rattling sounds a lot deeper than in the video though. [URL...	Cameron	22	355	May 5, 2012 by Calum122
	Bike won,t start (Preview) As title says i have spark and petrols getting to the carb as the plug was covered in it. The kickstart is slipping at the moment would this cause any problems i can get it kick ok the kickstart just does not return at the moment i have to lift it up manually i,m stumped normally fuel and a spark it should go ca...	gooner78	7	225	Apr 30, 2012 by gooner78
	34mm manifold for the dt. ( 1 2 ) (Preview) Hey, i was woundering, does anyone know of any 34mm manifold that fits the dt 125 engine ?.	NorDt	44	817	Apr 26, 2012 by Calum122
	Misfiring (Preview) Have 03 dtr done al derestriction bt stil slow wil nly do 65 on a gud day seems to misfire alot in high revs n strugles av tried 2 new plugs n pt brand new cap on sum1 said it cud b ht lead so went out in dark gt it warm n rev it looking under tank there was no flash frm ht lead or coil bt wear the plug screws into head a b...	dtr200691	18	336	Apr 26, 2012 by NEV
	02 flywheel tighter than a ducks ar*e (Preview) Anyone got any tips or magic tricks 4 removing 02 flywheel cos its not threaded like older models n like title says its a tad stuck. Ive removed 19mm nut n spacer off shaft, got a small piece of steel plate and drilled 4 holes, 3 in q triangle n 1 in middle, ive got a bolt n nut going thru middle outover wiv bol...	birdys3	8	247	Apr 26, 2012 by birdys3
	.....maaaaan dtr dont sound health :( (Preview) basicly shes running but as soon as i rev her she seems to shake and rattle it dont sound healthy...:/ .....help?	DTR-POWERVALVE-FTW	4	193	Apr 24, 2012 by NORFE
	somebody pls help me (Preview) Hi everyone really need some help. Had a dtr as a kid n loved it so thought id get a fixer upper project to get ready for summer. Anyway got a early90s off ebay for a couple of magic beans and a skinny chicken lol, was more like box of bits really was a real mess anyway got a 01 frame n v5 got 02 motor with powerva...	birdys3	11	232	Apr 23, 2012 by birdys3
	wr 200 lump (Preview) can possibly get a wr 200 full engine, would this bolt straight into the dt frame by any chance?	Energized	16	270	Apr 22, 2012 by Calum122
	help simple problem i rekon....idle issue (Preview) basicly ive got her running after a few months work and it idles fine with choke on half way but as soon as i take choke all way off revvs go up alot more....what do people think :)	DTR-POWERVALVE-FTW	1	173	Apr 22, 2012 by xGINCATx
	please help. (Preview) hi can someone please help. i have not long bought a DT 125 r and the guy i bought it off told me to come on here because people are very helpful. i dont know alot about bikes but there was a knocking sound in the engne and we thought it may be the head or a bearing somewhere. we took the head off and it is brand ne...	Geordie135	5	242	Apr 21, 2012 by NORFE
	Flat spot (Preview) I have an issue that when I snap the throttle from idle the engine bogs down and stalls. Also when riding it'll bog down and take a while to pick up, if I progressivley open the throttle its fine. Im not to clued up with carbs is it a case of rejetting/fine tuning? Cheers.	NathanH	14	264	Apr 20, 2012 by Energized
	DTR & TZR TDR----TOP & BOTTOM END STRIP GUIDE (Preview) heres a "rough guide" on an engine strip complete engine top & bottom end cylinder head 1st remove the engine from the frame and get in a suitable ,clean workspace, then get a good selection of tools to hand & rags and some brake cleaner spray THERMOSTAT ON THE TOP OF THE head theres t...	NORFE	6	551	Apr 17, 2012 by NORFE
	Boysen race reeds not available for DT125R 02 ??? (Preview) I tried to buy some Boysen race reeds for my DT125R 02 from an American company called ehimports. I paid for them 4 days ago but recieved this message our deepest appologies you did contact us about years and i did say we had all years, however i did not realize that the dt125r was made in 02 it was not made i...	Ralzy	13	349	Apr 17, 2012 by Energized
	wr200 barrel head piston and crank for sale (Preview) i emailed a bloke last night he wants £250 for it, says its all mint condition #120892960823 item number for the bike he's breakin was going to buy it and make 2 200ccs and sell one, but if anyone wants a try, here you go	the only way is YAMAHA DTR	3	223	Apr 13, 2012 by NORFE
	hey need advice bike runs for few secs then cuts out (Preview) basicly she kicks over for a bit the dies...its gotta be simple....	DTR-POWERVALVE-FTW	12	235	Apr 10, 2012 by Nathlaad
	clutch release arm stopped working (Preview) As title says it felt like a pop when i pulled the clutch in i thought the cable had snapped but it was fine i noticed the clutch release arm had lifted up by about 3cm and you can just push around with you finger it does not seem to be connected to the push rod can anyone help. -- Edited by gooner78 on Saturday 3...	gooner78	7	215	Apr 6, 2012 by NORFE
	GEAR SELECTOR......... (Preview) SO COULD SOME one let me no or link me to a gear selector they have bought....does the yz ones fit ? as iv 2 welded together and looks abit of an eyesore...new welder not here yet so its a bodge, wunt mind a nice anodised one have loads of drz 400 ones but the shafts bigger on them any one ??	NORFE	5	212	Apr 2, 2012 by NORFE
	Nice new bits an a fresh top end rebuild on pause now (Preview) i had good day of the postie loadsa new shiney bits. thought my other bike deserves an overhaul so got a fresh rebore i had done a while back sitting about. went to start stripping it all down undid the rad connection cap on the head ( which doesnt even look like the right one)an theres no little gold thi...	tripr	4	194	Mar 31, 2012 by NORFE
	Bike Overheating, Only on the tick over ?? ( 1 2 ) (Preview) Hi All, Been out today and when I had been riding the bike for say 30mins or so I pulled over for a fag stop my temperature was fine at that stage but I left the bike ticking over and it started to overheat and was only on the tick over I hadn`t been giving the throttle any welly or anything I switched the engine...	Ralzy	44	574	Mar 31, 2012 by NORFE
	Will boysen race reeds do much to my performance? (Preview) Brought some Boysen race reeds off ebay, brand new, i mean i just brought the reed petals, and i werent sure if anything would be needed to make em fit, as the Vforce reeds need porting on the inlet, and i werent sure if it was cause the reed cage what comes with it or if the reeds would rub aha Anyway, would i...	DTRJoeW	3	253	Mar 31, 2012 by xGINCATx
	Coolant drain screw threaded (Preview) A new problem to ad to my never ending list, haha. Torquing up the drain screw and it just keeps on turning...drip drip..drip drip.. ha Anyone else had this problem? I was thinking of trying one of them heli coil kits off ebay, but not sure if it would keep things water tight. Or will i need a whole new clut...	fused420	9	185	Mar 28, 2012 by NORFE
	95 dt125r....few slight mods would like to no next step :D (Preview) right my 1995 dt125r has already got a nice full dep systerm....powervalve mod......airbox mod....and jetted to 260 to help with engine temp and eneral running ...i wanna no what else can i do....im thinkin clutch wise....carb wise....bigger bore(even tho i hear there a no no....sprockets........	DTR-POWERVALVE-FTW	16	265	Mar 27, 2012 by ToySoldier
	ring shining ?? double gasket :/ (Preview) sup guys not been on in a whille moved out and didnt have internet and been too busy fannying around with the bike nd cars BUT after my first rebuild of the DT turned out that using cheap and nasty oil has caused me a los of compression ( a lot ) one of my friends asked if the rings were shiny and said this was a pr...	spadge	3	192	Mar 26, 2012 by NORFE
	oil coming out the crankcase breather???? help please (Preview) hi peps does any one know why the above is happening , I am stumped and it costing a fortune in oil. Cheers Jamesie	jamesie	15	273	Mar 25, 2012 by jamesie
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