DT125R ARCHIVE

Dewi Davies · Dewi Davies

right where to start, decided to put my kick start on and to put my idle gear on clutch has to come off, first took of crank case put bike into 6th gear starting taking of the scrwes, undone 1, then went opposit only doing 1 turn at a time, and then doing 1 screw and it shot out at me, spring basically cut to top o...

Energized · Energized

Heya dudes! I went out for a run today to get some shopping done, came back to my bike and tried kicking her over and there was no resistance with the kickstart at all and wouldn't even start up. Ocassionaly whilst kicking her over it would sound almost like a car stalling! But anyway off i went to my neares...

Derbyian · Derbyian

Where is the best place or what is the best make little end bearing?? Changing it this weekend

Derbyian · Derbyian

How many times should I kick the bike over for a compression test?

sheldonherron · sheldonherron

after a quick overall inspection ive noticed there is a fair bit of oil in my coolant tank. just had it rebuilt about 2000 miles and it runs perfectly which suggests gaskets should be ok. before i had it rebuilt there was oil in the coolant tank as the head gasket blew which suggests maybe just a bit of exc...

NORFE · NORFE

on the inlet side of the carb just after the boot finishes theres a brass tube for a hose to go on....if ur lookin at it from the kick start side where does it go 2 ????

1990dtr (aka THIEF) · 1990dtr (aka THIEF)

well now iv had the engine rebuilt and run in etc il pulls like tarin well happy but in 6th it feel like if there was a 7th it would do 90 easy but im in 6th feel like iv got loads of power but just wont go any faster cuz the standerd cogs are going as fast as they can go how to i get a better top end with out screaming t...

jamesie · jamesie

hi guys , has any one changed the clutch lifter oil seal, do i need to dismantal the whole cultch or can i just pull the clutch arm out to change the seal? -- Edited by jamesie on Wednesday 25th of January 2012 07:26:42 PM

bagpuss · bagpuss

Hi all hope your having a good christmas break. Can any body tell me why my bike will not rev out when being ridden as it will when in neutral?

NorDt · NorDt

Hey guys, Since im pretty dissapointed with my 170cc athena atm, i want a plan B for the summer. I already had my stock cyllinder rebored to 57.00mm And im wondering how reliable it will be if i bore it up to 57,50mm. Its seized atm thats why it needs a rebore. So the question is, how reliable will it be if i r...

romeopat · romeopat

http://www.yamahamotorcyclespares.co.uk/?source=google&gclid=CL-W05XE7a0CFUYLtAodFwy16g

1990dtr (aka THIEF) · 1990dtr (aka THIEF)

i have two y 2 barrels and a y-1 head can they be used together as in a y2 barrel with y-1 head whats better ????

romeopat · romeopat

hello i have a dt 125 re 2005 and the kick start does not engage i got the bike like this hopefully its nothing serious...basicall i have to tilt the bike to the right and then it will kick if the bike is upright as normal the kickstart does not engage....any ideas? will try get pics tomorrow

azbo b29 · azbo b29

after sum1 attempting to steal my dt n stick it in a van there seems to be water leeking out of thewater pump housing what will it be seal or pump ?

NorthEast · NorthEast

Since i used to have field bikes i used to always start it up and use it daily. This DTR needs work so it isn't getting used, It's stuck in kitchen. Engine hasn't been started for about 1 week as awaiting new loom. Are there any effects from leaving it standing for so long?

1990dtr (aka THIEF) · 1990dtr (aka THIEF)

took the bike out to day half hay home the speedo just reads all the time i got home checked the cable unscrewed it wheel end twisted it and the speedo moved so its not the clocks so plugged it back in and it still does not read but a checked the clock and its fine :/

northy2111 · northy2111

Hi Guys, Got a question, my accelaration is very good quite ballistic at times . I can acheive 65-70 mph in 5th gear at a push and with 10000 plus revs(not that I do this much!) but when I go to 6th gear it drops away and I can,t get any more than 8500 ish revs. It stays at 65mph give or take a bit, unless Im down...

The_DtR_Maniac1991 · The_DtR_Maniac1991

I've got off road tyres on my Dtr, i've had them 3 months, and the rear tyre's tred is almost bald! Just wondering if anyone knows a decent set of road tyres rather than off road, otherwise im going to keep having to buy new tyres every 3 months! my limit is about 150 pound or so.hit me up a link,!cheers

The_DtR_Maniac1991 · The_DtR_Maniac1991

I seem to have acceleration issues, me and my uncle have dtr's and his acceleration is so much better than mine! but we have the same top end about 80-85mph, my speedos de-restricted standard chain and sprockets on both of our bikes, what would be restricting my acceleration?any ideas?! Thanks!

Sammyturbo · Sammyturbo

Hi, Passed my CBT on Saturday so have been enjoying my DT for the last couple of days ! However I went to get on it this morning and the clutch would not disengage when I pulled the lever in :( Is there an obvious reason for this ?? It was wroking all the way home last night and the bike has not moved sice what c...

northy2111 · northy2111

http://www.ebay.co.uk/itm/YAMAHA-DT125R-DTR125-RAMAIR-PERFORMANCE-AIR-FILTER-43MM-/360397215905?pt=UK_Motorcycle_Parts&hash=item53e95918a1

richie · richie

i have a 54 plate dtre i have had it derestricted at a garage full dep exhaust and wire cut going from speedo to ecu and earthed but they said the inlet manifold induction going to reeds would have a benefit by cuting the reducer as it channels direct ait flow to the reeds anyway am geting the power valve now...

NorthEast · NorthEast

Ok so warmed bike up and took it for a blast. Turning left and bike over revs and pulls and such. Got home and the throttle cable has been placed inside the handlebar riser things. So when straight it's ok but turn left and it bends back on itself making it stretch cable and over rev/pull away with clutch o...

1990dtr (aka THIEF) · 1990dtr (aka THIEF)

need a rebore and piston supplied, whos best ???? just found my piston is beat and cracked to f##k, any one know the best places for it to be rebored with a piston supplied (Only people have had it down please!!!)

NORFE · NORFE

well as it says above, any one whos after a new thhrottle tube this one works fine, as i got one and fitted it today cheaper than most and oemhttp://www.ebay.co.uk/itm/180712468950?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649#ht_829wt_1037

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
	taking off clutch gone wrong... (Preview) right where to start, decided to put my kick start on and to put my idle gear on clutch has to come off, first took of crank case put bike into 6th gear starting taking of the scrwes, undone 1, then went opposit only doing 1 turn at a time, and then doing 1 screw and it shot out at me, spring basically cut to top o...	Dewi Davies	10	227	Feb 5, 2012 by Dewi Davies
	Kick Start Help! (Preview) Heya dudes! I went out for a run today to get some shopping done, came back to my bike and tried kicking her over and there was no resistance with the kickstart at all and wouldn't even start up. Ocassionaly whilst kicking her over it would sound almost like a car stalling! But anyway off i went to my neares...	Energized	7	176	Feb 5, 2012 by DT-R_bradders
	Little end bearings (Preview) Where is the best place or what is the best make little end bearing?? Changing it this weekend	Derbyian	4	163	Feb 4, 2012 by Derbyian
	Compression test? (Preview) How many times should I kick the bike over for a compression test?	Derbyian	6	181	Jan 31, 2012 by Derbyian
	OIL cooled :( (Preview) after a quick overall inspection ive noticed there is a fair bit of oil in my coolant tank. just had it rebuilt about 2000 miles and it runs perfectly which suggests gaskets should be ok. before i had it rebuilt there was oil in the coolant tank as the head gasket blew which suggests maybe just a bit of exc...	sheldonherron	3	150	Jan 31, 2012 by NORFE
	carb port on flat slide help (Preview) on the inlet side of the carb just after the boot finishes theres a brass tube for a hose to go on....if ur lookin at it from the kick start side where does it go 2 ????	NORFE	13	168	Jan 29, 2012 by NORFE
	speed help ( 1 2 ) (Preview) well now iv had the engine rebuilt and run in etc il pulls like tarin well happy but in 6th it feel like if there was a 7th it would do 90 easy but im in 6th feel like iv got loads of power but just wont go any faster cuz the standerd cogs are going as fast as they can go how to i get a better top end with out screaming t...	1990dtr (aka THIEF)	31	439	Jan 29, 2012 by 1990dtr (aka THIEF)
	clutch lifter oil seal (Preview) hi guys , has any one changed the clutch lifter oil seal, do i need to dismantal the whole cultch or can i just pull the clutch arm out to change the seal? -- Edited by jamesie on Wednesday 25th of January 2012 07:26:42 PM	jamesie	4	158	Jan 29, 2012 by jamesie
	bike wont rev under load but goes off the clock when in neutral (Preview) Hi all hope your having a good christmas break. Can any body tell me why my bike will not rev out when being ridden as it will when in neutral?	bagpuss	17	269	Jan 29, 2012 by bagpuss
	Reboring stock cyllinder, Realiability ? (Preview) Hey guys, Since im pretty dissapointed with my 170cc athena atm, i want a plan B for the summer. I already had my stock cyllinder rebored to 57.00mm And im wondering how reliable it will be if i bore it up to 57,50mm. Its seized atm thats why it needs a rebore. So the question is, how reliable will it be if i r...	NorDt	18	223	Jan 28, 2012 by NorDt
	head gasket leaking (Preview) http://www.yamahamotorcyclespares.co.uk/?source=google&gclid=CL-W05XE7a0CFUYLtAodFwy16g	romeopat	12	297	Jan 28, 2012 by romeopat
	y-1 y-2 whats the diffrence ?? (Preview) i have two y 2 barrels and a y-1 head can they be used together as in a y2 barrel with y-1 head whats better ????	1990dtr (aka THIEF)	6	230	Jan 28, 2012 by dtx zac
	kick start not engaging (Preview) hello i have a dt 125 re 2005 and the kick start does not engage i got the bike like this hopefully its nothing serious...basicall i have to tilt the bike to the right and then it will kick if the bike is upright as normal the kickstart does not engage....any ideas? will try get pics tomorrow	romeopat	21	285	Jan 27, 2012 by romeopat
	water out of waterpump housing (Preview) after sum1 attempting to steal my dt n stick it in a van there seems to be water leeking out of thewater pump housing what will it be seal or pump ?	azbo b29	6	143	Jan 26, 2012 by dtx zac
	How long is fine to leave engine before starting it up? (Preview) Since i used to have field bikes i used to always start it up and use it daily. This DTR needs work so it isn't getting used, It's stuck in kitchen. Engine hasn't been started for about 1 week as awaiting new loom. Are there any effects from leaving it standing for so long?	NorthEast	1	183	Jan 24, 2012 by NORFE
	speedo stoped (Preview) took the bike out to day half hay home the speedo just reads all the time i got home checked the cable unscrewed it wheel end twisted it and the speedo moved so its not the clocks so plugged it back in and it still does not read but a checked the clock and its fine :/	1990dtr (aka THIEF)	3	145	Jan 24, 2012 by 1990dtr (aka THIEF)
	top end revs (Preview) Hi Guys, Got a question, my accelaration is very good quite ballistic at times . I can acheive 65-70 mph in 5th gear at a push and with 10000 plus revs(not that I do this much!) but when I go to 6th gear it drops away and I can,t get any more than 8500 ish revs. It stays at 65mph give or take a bit, unless Im down...	northy2111	10	252	Jan 23, 2012 by ToySoldier
	Cheapish road tyres? (Preview) I've got off road tyres on my Dtr, i've had them 3 months, and the rear tyre's tred is almost bald! Just wondering if anyone knows a decent set of road tyres rather than off road, otherwise im going to keep having to buy new tyres every 3 months! my limit is about 150 pound or so.hit me up a link,!cheers	The_DtR_Maniac1991	4	165	Jan 22, 2012 by NEV
	Acceleration issues! (Preview) I seem to have acceleration issues, me and my uncle have dtr's and his acceleration is so much better than mine! but we have the same top end about 80-85mph, my speedos de-restricted standard chain and sprockets on both of our bikes, what would be restricting my acceleration?any ideas?! Thanks!	The_DtR_Maniac1991	14	214	Jan 22, 2012 by The_DtR_Maniac1991
	gears not disengaging (Preview) Hi, Passed my CBT on Saturday so have been enjoying my DT for the last couple of days ! However I went to get on it this morning and the clutch would not disengage when I pulled the lever in :( Is there an obvious reason for this ?? It was wroking all the way home last night and the bike has not moved sice what c...	Sammyturbo	11	232	Jan 22, 2012 by The_DtR_Maniac1991
	Ramair filters (Preview) http://www.ebay.co.uk/itm/YAMAHA-DT125R-DTR125-RAMAIR-PERFORMANCE-AIR-FILTER-43MM-/360397215905?pt=UK_Motorcycle_Parts&hash=item53e95918a1	northy2111	4	193	Jan 22, 2012 by The_DtR_Maniac1991
	top speed?? ( 1 2 ) (Preview) i have a 54 plate dtre i have had it derestricted at a garage full dep exhaust and wire cut going from speedo to ecu and earthed but they said the inlet manifold induction going to reeds would have a benefit by cuting the reducer as it channels direct ait flow to the reeds anyway am geting the power valve now...	richie	46	839	Jan 22, 2012 by NEV
	Best place to position throttle cable? (Preview) Ok so warmed bike up and took it for a blast. Turning left and bike over revs and pulls and such. Got home and the throttle cable has been placed inside the handlebar riser things. So when straight it's ok but turn left and it bends back on itself making it stretch cable and over rev/pull away with clutch o...	NorthEast	14	248	Jan 21, 2012 by PatMan
	need a rebore and piston supplied whos best ???? (Preview) need a rebore and piston supplied, whos best ???? just found my piston is beat and cracked to f##k, any one know the best places for it to be rebored with a piston supplied (Only people have had it down please!!!)	1990dtr (aka THIEF)	25	280	Jan 20, 2012 by stroker
	cheap throttle tube (Preview) *well as it says above, any one whos after a new thhrottle tube* *this one works fine, as i got one and fitted it today* *cheaper than most and oem*http://www.ebay.co.uk/itm/180712468950?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649#ht_829wt_1037	NORFE	1	153	Jan 20, 2012 by SUPERSTEVE
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