DT125R ARCHIVE

Mattydav · Mattydav

Ok , basically the bike was running funny, started and run fairly ok with the choke on, take the choke off, the revs go high then dramatically drop down and then cuts out. the idle speed screw was abit mashed on my carb and couldnt get it out, so recently i bought a 2nd hand carb and fitted it, exactly the sa...

jack_p92 · jack_p92

On the way home and to work today the little red light above the 60mph mark on the clock, (im guessing its the overheating light) flicked on and off a couple of times, only for a few seconds each time, just wondering what it could be? Anyone elce had this problem? Where is the sensor? The coolant is flowing...

dtmuncey · dtmuncey

Hi, how much side to side movment should the con rod have? Theres no up and down movment. Cheers, Jake

jonny · jonny

Hi can anyone give me some help i have just got my bike a 2002 dt125r with 3200 on the clock it had stood for 4 yrs it aparentley has all been serviced it starts first kick and runs fine except when it hits 5000 rpm then it flattens and splutters til 7000rmp then goes like stink, this flat spot is in all gears , w...

dirtpoor · dirtpoor

my enging just kicked back when i was trying to start it but my leg won the battle now my kick is sittin in the ford position and dosent go all the way back. and gearbox oil is comeing out of the top of my clutch cover. are the too problems conected?

mark 88 · mark 88

ive had my dtr for about a week now the bikes fantastic but the speedo is dead I disconected the cable from the wheel and span it in a drill and the dile moved so I guess i need a new speedo gearbox. is this a problem that i can fix and if not how much do they cost. thanks everyone

Jack Shuker · Jack Shuker

2 weeks ago i bought a 2001 Dtr, running great, i have a few minor problems tho, i have a small oil leak (any sugestions how to fix?) and this is my first 2 stroke i have owned, any tips? cheers

jony9 · jony9

hi all has anyone got any pic's of where the unit bolts too on the frame? thanx

tripr · tripr

http://www.youtube.com/watch?v=JP8v94vXhN0

dt_RR · dt_RR

Could anyonee recommend a highflow aftermarket airfilter for my 2004 dtr ? K&N , Twin air, etc. ? thanks !

Spartan · Spartan

Hey guys, haven't been around for a while been working away alot, haven't even been out on my bike for the past month which has been a bummer. Anyways i've taken the carb out for a clean and inspection tonight. I've notived that the air screw cannot be turned either way. It is jammed in there good, i wanted...

CooS · CooS

Right i am wanting to service my DT125RE and am not sure on the amount of engine oil it takes on the engine case it says 750..... but in the service manual it says 1,3L (on the web)? I am very confused can some please tell me how much do i out in my DT?

madmark41 · madmark41

There must be more information on the web about the powervalve than there are women with their t1ts out. okay, maybe not, but theres a lot and not all of it agrees with itself!! I was wondering if anyone could shed any light on my problem. I've just got a '94 DTR and its now my favourite toy (and it shares a ga...

DTCrazedKid · DTCrazedKid

was doing around 70mph on my way home today.... and then back wheel locked up almost flung me off bike till i rememberd to grab clutch and regain control.. came to a hault to an engine sieze, electrics have faild on bike (i never realised only rode in daylight so never used lights) and meaning my oil light...

spadge · spadge

what is the differnce in these 2 types of engines i was told that the 3 BN cylinder head had a larger combustion area ( not sure on exact name but the bowl surrounding the sparkplug within the head lol ) as it did didnt have a lip or some kind of curve which would allow more boom for ur buck ? bull**** or is the...

vtec2008 · vtec2008

Im kinda new to bikes but good with my hands, im hoping to do a service on my DT 125R which i got 2 days ago. Its a 2002 and in great condition. 3 owners from new one a priest the other a building architect lol. Anyways the bike is still restricted meaning nobody has played around with it which is another goo...

gaz56 · gaz56

Hey guys, new to the forum. Currently trying to split the cases on my '89 DTR125 3BN. I'm struggling the remove the nut for the gear which sits at the end of the crankshaft. I've used a bar to stop the conrod from moving, locking the crankshaft in place but I just cannot get the nut off! Had no issues removin...

dtmuncey · dtmuncey

Hi, has anyone on here cut theres out? if so, did you have to re-jet and did you need to do anything else to make it run properly? Cheers, Jake

jayjay · jayjay

Hi there I've be thinking about doing a top-end rebuild but am not sure if the engine sound as though it needs one so i did a little video of it for you to take a look at. http://www.youtube.com/watch?v=C3633r1CRxs let me know your thoughts.

dtrdanielson · dtrdanielson

not sure how to upload yet( im not that good with comps) tell mee what you think of my unfinnished dt project its my profile pic.

louisBOSS · louisBOSS

Having problems ,with my radatoir , it got collant , but it just steems lieke heat should it be doing this , the side pannels are not on , there looks to be no air bubbles.Just like steam when you throw water on a hot engine . ?thanks

tripr · tripr

im thinking of trying to drop a 250 engine in this white 99 dtrs frame wouldnt mind a super power monster for the nice fields out back just an idea though the kx engine looks simalar does anybody know if it fits

welsh dt · welsh dt

After seeing a recent thread about cleaning your power valve and the difference it makes im gonna give mine a clean today, do i need to remove the exhaust to get the p/v out / back in , or do i just slide it out the side . do i need to realign it or will it only fit back in one way. Thinking about it i may as well cl...

Bud4Real · Bud4Real

Hey :) I cleaned out my carb recently and i've forgotten which pipe went where. The two pipes im questioning are the two black ones with two stroke coming through them. They connect to the top of the carb one at the top and one just below it. It seems one has a flow of two stroke and the other as if its a suction...

dtmuncey · dtmuncey

Does anyone know how to remove the magneto with out a pully? Cheers, Jake

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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
	DTR Running Problem PART 2 (Preview) Ok , basically the bike was running funny, started and run fairly ok with the choke on, take the choke off, the revs go high then dramatically drop down and then cuts out. the idle speed screw was abit mashed on my carb and couldnt get it out, so recently i bought a 2nd hand carb and fitted it, exactly the sa...	Mattydav	22	418	Apr 2, 2011 by Dingle001
	Red overheating light (Preview) On the way home and to work today the little red light above the 60mph mark on the clock, (im guessing its the overheating light) flicked on and off a couple of times, only for a few seconds each time, just wondering what it could be? Anyone elce had this problem? Where is the sensor? The coolant is flowing...	jack_p92	3	423	Mar 31, 2011 by Dingle001
	con rod (Preview) Hi, how much side to side movment should the con rod have? Theres no up and down movment. Cheers, Jake	dtmuncey	1	228	Mar 31, 2011 by Dingle001
	dt125 r flat spot please help help (Preview) Hi can anyone give me some help i have just got my bike a 2002 dt125r with 3200 on the clock it had stood for 4 yrs it aparentley has all been serviced it starts first kick and runs fine except when it hits 5000 rpm then it flattens and splutters til 7000rmp then goes like stink, this flat spot is in all gears , w...	jonny	6	281	Mar 31, 2011 by midnightbikerjames
	kick starer (Preview) my enging just kicked back when i was trying to start it but my leg won the battle now my kick is sittin in the ford position and dosent go all the way back. and gearbox oil is comeing out of the top of my clutch cover. are the too problems conected?	dirtpoor	3	337	Mar 30, 2011 by dirtpoor
	bike moves spedo doesnt (Preview) ive had my dtr for about a week now the bikes fantastic but the speedo is dead I disconected the cable from the wheel and span it in a drill and the dile moved so I guess i need a new speedo gearbox. is this a problem that i can fix and if not how much do they cost. thanks everyone	mark 88	5	280	Mar 30, 2011 by louisBOSS
	2001 DT (Preview) 2 weeks ago i bought a 2001 Dtr, running great, i have a few minor problems tho, i have a small oil leak (any sugestions how to fix?) and this is my first 2 stroke i have owned, any tips? cheers	Jack Shuker	21	349	Mar 30, 2011 by Jack Shuker
	power valve (Preview) hi all has anyone got any pic's of where the unit bolts too on the frame? thanx	jony9	6	326	Mar 29, 2011 by jony9
	Dtr runnin funny (Preview) http://www.youtube.com/watch?v=JP8v94vXhN0	tripr	23	419	Mar 28, 2011 by tripr
	aftermarket/highflow air filter ? (Preview) Could anyonee recommend a highflow aftermarket airfilter for my 2004 dtr ? K&N , Twin air, etc. ? thanks !	dt_RR	2	329	Mar 28, 2011 by dtrdanielson
	Air screw problem ( 1 2 ) (Preview) Hey guys, haven't been around for a while been working away alot, haven't even been out on my bike for the past month which has been a bummer. Anyways i've taken the carb out for a clean and inspection tonight. I've notived that the air screw cannot be turned either way. It is jammed in there good, i wanted...	Spartan	31	1178	Mar 27, 2011 by Spartan
	Oil change, how much? (Preview) Right i am wanting to service my DT125RE and am not sure on the amount of engine oil it takes on the engine case it says 750..... but in the service manual it says 1,3L (on the web)? I am very confused can some please tell me how much do i out in my DT?	CooS	2	295	Mar 26, 2011 by Spartan
	ANOTHER!! Y.P.V.S. Question...sorry! (Preview) There must be more information on the web about the powervalve than there are women with their t1ts out. okay, maybe not, but theres a lot and not all of it agrees with itself!! I was wondering if anyone could shed any light on my problem. I've just got a '94 DTR and its now my favourite toy (and it shares a ga...	madmark41	6	270	Mar 26, 2011 by madmark41
	engine died... :( (Preview) was doing around 70mph on my way home today.... and then back wheel locked up almost flung me off bike till i rememberd to grab clutch and regain control.. came to a hault to an engine sieze, electrics have faild on bike (i never realised only rode in daylight so never used lights) and meaning my oil light...	DTCrazedKid	12	363	Mar 26, 2011 by Dingle001
	BN's and MB's (Preview) what is the differnce in these 2 types of engines i was told that the 3 BN cylinder head had a larger combustion area ( not sure on exact name but the bowl surrounding the sparkplug within the head lol ) as it did didnt have a lip or some kind of curve which would allow more boom for ur buck ? bull**** or is the...	spadge	1	203	Mar 25, 2011 by spadge
	Self Bike service??? (Preview) Im kinda new to bikes but good with my hands, im hoping to do a service on my DT 125R which i got 2 days ago. Its a 2002 and in great condition. 3 owners from new one a priest the other a building architect lol. Anyways the bike is still restricted meaning nobody has played around with it which is another goo...	vtec2008	13	620	Mar 24, 2011 by DT-R_bradders
	Removing Primary Drive Gear? (Preview) Hey guys, new to the forum. Currently trying to split the cases on my '89 DTR125 3BN. I'm struggling the remove the nut for the gear which sits at the end of the crankshaft. I've used a bar to stop the conrod from moving, locking the crankshaft in place but I just cannot get the nut off! Had no issues removin...	gaz56	4	291	Mar 23, 2011 by ToySoldier
	inlet manifold restrictor (Preview) Hi, has anyone on here cut theres out? if so, did you have to re-jet and did you need to do anything else to make it run properly? Cheers, Jake	dtmuncey	19	452	Mar 23, 2011 by dtmuncey
	DTR125 Rebuild?? What do you think?? (Preview) Hi there I've be thinking about doing a top-end rebuild but am not sure if the engine sound as though it needs one so i did a little video of it for you to take a look at. http://www.youtube.com/watch?v=C3633r1CRxs let me know your thoughts.	jayjay	9	353	Mar 22, 2011 by DTCrazedKid
	midified dtr 125 LOOK LOOK (Preview) not sure how to upload yet( im not that good with comps) tell mee what you think of my unfinnished dt project its my profile pic.	dtrdanielson	2	282	Mar 22, 2011 by Spartan
	raditor (Preview) Having problems ,with my radatoir , it got collant , but it just steems lieke heat should it be doing this , the side pannels are not on , there looks to be no air bubbles.Just like steam when you throw water on a hot engine . ?thanks	louisBOSS	16	267	Mar 21, 2011 by louisBOSS
	what engines will fit the dtr frame (Preview) im thinking of trying to drop a 250 engine in this white 99 dtrs frame wouldnt mind a super power monster for the nice fields out back just an idea though the kx engine looks simalar does anybody know if it fits	tripr	4	702	Mar 21, 2011 by tripr
	removing power valve. (Preview) After seeing a recent thread about cleaning your power valve and the difference it makes im gonna give mine a clean today, do i need to remove the exhaust to get the p/v out / back in , or do i just slide it out the side . do i need to realign it or will it only fit back in one way. Thinking about it i may as well cl...	welsh dt	3	523	Mar 20, 2011 by PatMan
	Hoses into carb... (Preview) Hey :) I cleaned out my carb recently and i've forgotten which pipe went where. The two pipes im questioning are the two black ones with two stroke coming through them. They connect to the top of the carb one at the top and one just below it. It seems one has a flow of two stroke and the other as if its a suction...	Bud4Real	8	321	Mar 19, 2011 by Bud4Real
	Magneto (Preview) Does anyone know how to remove the magneto with out a pully? Cheers, Jake	dtmuncey	2	207	Mar 19, 2011 by Dingle001
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