A forum for owners of Yamaha TTR250 trail and enduro bikes!

Sammyboy · Sammyboy

So, small problem, I was about to remove my oil drain bolt, I felt very confident in how my socket was placed on the bolt, long story short the bolt did not turn but just rounded out. What am I supposed to do now? (P.s the socket was firmly seated on the bolt)

KevinPen7 · KevinPen7

new heidenau tyres seem to get reasonable review for 50/50 tyres, and £60 rack off amazon i’ll let you know how they go. Plus few bits off Steve&Lisa, ready for adventure 😎

SussexTony · SussexTony

I have a ttr 250 r whitey.94 oe. so many people say different amount of oil to put in, I have a oil cooler on it , and on side of case it says 1 liter and man in shop says to put 1:4 in it ???? Because of cooler ? At mo I have 1:2 and the glass eye must be abit scrachd because I cannot c nothing, ! -- Edited by Su...

PETE · PETE

Any Ideas????????????. I got my 1996 TTR Enduro end of last year. [Private sale]. No history. . I've been out on several rides around the Peak District and had a great time!!!!.. One problem. When I get on the open road and get into 5th and 6th she Dies. Drop her down a couple of gears and she picks up again...

OR3X · OR3X

Hello All! I have the rear shock out of my bike for a new upper bearing, and decided this would be a good time to check to make sure the strut is still in good working order. I took the shock to a local shop to have the spring removed since the spring compressor tool I had was simply too big. They removed the sp...

vwanjau · vwanjau

Hi Team, My Carb has been leaking fuel and just got worse. Droplets of fuel trickle from below, even when the bike is not in motion.Now I am forced to close the tap everytime I stop to minimize the leakage. I have tried to clean and remove any kind of blockage but it still leaks.Help Kind Regards Vincent

SussexTony · SussexTony

Newbie. Bike. Dies when your flat out for more than a min or so , seems. Like it’s running out. Of fuel but then starts up again and runs fine but soon as your top speed same happens again please help?

OzzyRZ · OzzyRZ

G'day all. I was wondering if anyone has tried the Webcam camshafts on their TTR. I have just completed a 325cc build and was wondering if the cams would make any difference

Flatline · Flatline

Confused is not the word😂😂😂 Having spent the last 21 years riding the same road bike and therefore the same tyre sizes, looking for tyres for my Raid is a confusing place to be The recommended sizes are: f 3.00 - 21 51p r 4.60 - 18 Fitted tyres are: f 90/90 - 21 63p r 110/...

Lol · Lol

Hi all my battery is knackered. I won’t to buy a new one but I can not see all the code on the battery MG7B is all I can see it’s a 1993 ttr250 metal tank. Or is there another battery that will fit it thank you laurence

vwanjau · vwanjau

Hi team, What would cause the clutch unit to look like it was burning up? See attached photos, I had opened it up few months ago to add a new set of clutch plates then after a while that is the look I get on the clutch plates. Please advise. Kind Regards

pjkr199 · pjkr199

Hi fellas. My Raid's rear shock is a bit weepy, will need replacing at some point. I looked around, seem to be that Raid shocks are different from Open enduro? Please correct me if I'm wrong. If they're different, how do I find the right size for Raid? When I search online, it does not come up as a separa...

Simmo · Simmo

Hi As above, if I set the clock and reset the trips, after the ignition is switched off and on again the clocks reading 1-00 & the trip shows 51 A&B . Is there a backup battery in the unit somewhere that holds the info or do I need a new unit.

Czechmick · Czechmick

I mentioned in another post that I was in the process of resurrecting a blue TTR after some years of storage. I am almost at the point of starting it but on refitting the starter noticed some marks in the larger of the two gears that sit under the round cover. I have attached a picture of the indentations in...

TTRtramp · TTRtramp

Hi All, It has been a while since I last posted but I thought I would get back on the 'horse' - power that is. I have recently had to spend a lot of time getting my old TTR running again because of old fuel and a battery that is also getting old. Normally when I know it is going to be a while before I can get back o...

Czechmick · Czechmick

Hello to you all, After a delay of some 5 years or so i have started to complete the rebuild of my blue TTR. Rolling chassis with new powder coating is all complete. I was in the process of replacing the cylinder head when I realised I'd put the cam chain blade in upside down. Off came the head but it took the...

Flatline · Flatline

When I look where the bearings will fit, there is a lip perhaps an inch in where the bore size is smaller Should the bearing be pushed in until it stops against the lip This will leave the bearing about 15mm in from the outside edge of the swingarm No pictures as I've already pushed them in so that they are f...

pjkr199 · pjkr199

Hi all. Hope you're having a good day. I'm hunting for a ttr, found one in Cornwall, the Open Enduro, but it's problematic. Talked to the guy on the phone, sounded reasonable and no bull****, he said it's hard to downshift. Shifts up well. He thought it's a clutch, replaced, but problem persists. I'...

TerryK · TerryK

Well as I have posted on a previous topic I was going to fit dual sport / adventure tyres on the TTR, will keep MT21's on the WRR for the rough tracks, going to keep the TTR for dirt /gravel roads. Had a delivery from postman Pat today, so on a 39-40c day I changed both tyres, not sure about the front but I guess...

Stupat · Stupat

Is this likely to be the rectifier unit and, if so, where and how much for a new one?

TTRfan · TTRfan

My rebuilds often advance at a snail's pace so that much of the oil I use on assembly has probably long gone by the time I get to run the engine. I belong to a few classic bike FB groups and there were a lot of experienced guys recommending Graphogen. Not cheap at £27 but its a big tube - 125g - and will probably...

TTRHead · TTRHead

What is the highest you have seen on a straight engine? I bumped into a fellow TTR rider at the weekend and he had 40k on his one. Although he told me it had 4 owners so someone may have done some engine work in it I guess...

dlee22 · dlee22

Hi all, My bike starts okay however my cams are both slightly off level when tdc (single mark). I have recently replaced the cam chain (2000 miles Max) so wasn't too worried. Having rebuilt the bike to a 350 and using a air fuel ratio gauge I'm trying to ensure it's running nice however I'm having a bit o...

Jpolonoski · Jpolonoski

I've been having some trouble with my bike bogging down and cutting out when I apply the throttle. After a few chats and looking around I decided that it would be best to clean the carb. There was some build up and so I cleaned it no bother and put it all back together and slapped it on the big. When we went...

Louis0238 · Louis0238

Hi, my Australian 2006 ttr250 has recently developed an oil leak which seems to be coming from underneath the starter motor. I have done some reading on the forum and understand that it could be a cracked generator cover case caused by the sprang clutch making a clack noise on shutdown and sending a sho...

Peak · Peak

Hi, does anybody know where I can get the just the pet**** filters from? They‘ve all but disintegrated on my new project. They’re not listed as being able to purchase separately - I‘m going to install an in-line filter in the fuel pipe but as I’ve got the fuel tap off to clean the tank out thought I may as we...

vwanjau · vwanjau

Hi Team, I am not new to this forum, I had posted a while back that my rear shock keeps leaking after repairing it. Lasts a few weeks after I install a new seal head bought from Totally TTR. After riding for a month or so it starts leaking again. I have followed through the manual for repairing(shock repai...

rodge70 · rodge70

hi,have gone over my newly acquired ttr250 earlier and there is no engine mount for the top front of the cylinder head,is this normal or do i need to fabricate/buy new plates,thanks in advance,rodge

engineer1949 · engineer1949

i have a oe and i am finding the riding position when standing very cramped when i am balanced with a bit of bend at the knees and just the balls of the feet on the pegs the bars are virtually below my head so any acceleration or deceleration puts a fair amount of strain on the arms i have bar risers fitted whic...

Rossyboys · Rossyboys

Hi All I have an oil seal that is leaking oil out and I have tracked it down to the Push Lever assembly seal. Does any one have a step by set instruction or video on this . I have the manual which touches on engine assembly (page 4-48) but doesn't go into just the seal replacement. ie first stage remove gene...

Topic		Started By	Replies	Views	Last Post
	Small (very big) issue (Preview) So, small problem, I was about to remove my oil drain bolt, I felt very confident in how my socket was placed on the bolt, long story short the bolt did not turn but just rounded out. What am I supposed to do now? (P.s the socket was firmly seated on the bolt)	Sammyboy	8	763	Aug 2, 2020 by RichR
	new tyres (Preview) new heidenau tyres seem to get reasonable review for 50/50 tyres, and £60 rack off amazon i’ll let you know how they go. Plus few bits off Steve&Lisa, ready for adventure 😎	KevinPen7	2	693	Aug 1, 2020 by KevinPen7
	Oil change how much (Preview) I have a ttr 250 r whitey.94 oe. so many people say different amount of oil to put in, I have a oil cooler on it , and on side of case it says 1 liter and man in shop says to put 1:4 in it ???? Because of cooler ? At mo I have 1:2 and the glass eye must be abit scrachd because I cannot c nothing, ! -- Edited by Su...	SussexTony	1	774	Jul 30, 2020 by SussexTony
	Loss of Power (Preview) Any Ideas????????????. I got my 1996 TTR Enduro end of last year. [Private sale]. No history. . I've been out on several rides around the Peak District and had a great time!!!!.. One problem. When I get on the open road and get into 5th and 6th she Dies. Drop her down a couple of gears and she picks up again...	PETE	27	2985	Jul 28, 2020 by SussexTony
	Rear suspension questions ('05 US blue tank) (Preview) Hello All! I have the rear shock out of my bike for a new upper bearing, and decided this would be a good time to check to make sure the strut is still in good working order. I took the shock to a local shop to have the spring removed since the spring compressor tool I had was simply too big. They removed the sp...	OR3X	10	1342	Jul 15, 2020 by OR3X
	Carb Leaking (Preview) Hi Team, My Carb has been leaking fuel and just got worse. Droplets of fuel trickle from below, even when the bike is not in motion.Now I am forced to close the tap everytime I stop to minimize the leakage. I have tried to clean and remove any kind of blockage but it still leaks.Help Kind Regards Vincent	vwanjau	3	1370	Jul 10, 2020 by ttr steve
	Technical - fuel problems still (Preview) Newbie. Bike. Dies when your flat out for more than a min or so , seems. Like it’s running out. Of fuel but then starts up again and runs fine but soon as your top speed same happens again please help?	SussexTony	15	1778	Jul 10, 2020 by SussexTony
	Webcam camshaft for TTR250 (Preview) G'day all. I was wondering if anyone has tried the Webcam camshafts on their TTR. I have just completed a 325cc build and was wondering if the cams would make any difference	OzzyRZ	0	600	Jul 9, 2020 by OzzyRZ
	Wheel sizes and what tyres sizes can be fitted (Preview) Confused is not the word😂😂😂 Having spent the last 21 years riding the same road bike and therefore the same tyre sizes, looking for tyres for my Raid is a confusing place to be The recommended sizes are: f 3.00 - 21 51p r 4.60 - 18 Fitted tyres are: f 90/90 - 21 63p r 110/...	Flatline	15	1276	Jul 7, 2020 by mossproof
	I need a new battery (Preview) Hi all my battery is knackered. I won’t to buy a new one but I can not see all the code on the battery MG7B is all I can see it’s a 1993 ttr250 metal tank. Or is there another battery that will fit it thank you laurence	Lol	2	1508	Jul 7, 2020 by skyrider
	Engine Clutch Unit (Preview) Hi team, What would cause the clutch unit to look like it was burning up? See attached photos, I had opened it up few months ago to add a new set of clutch plates then after a while that is the look I get on the clutch plates. Please advise. Kind Regards	vwanjau	9	870	Jul 6, 2020 by ttr steve
	Raid rear shock (Preview) Hi fellas. My Raid's rear shock is a bit weepy, will need replacing at some point. I looked around, seem to be that Raid shocks are different from Open enduro? Please correct me if I'm wrong. If they're different, how do I find the right size for Raid? When I search online, it does not come up as a separa...	pjkr199	2	709	Jul 3, 2020 by pjkr199
	Digital clock/Odometer not working (Preview) Hi As above, if I set the clock and reset the trips, after the ignition is switched off and on again the clocks reading 1-00 & the trip shows 51 A&B . Is there a backup battery in the unit somewhere that holds the info or do I need a new unit.	Simmo	3	764	Jun 26, 2020 by TTRfan
	Marks on starter gears (Preview) I mentioned in another post that I was in the process of resurrecting a blue TTR after some years of storage. I am almost at the point of starting it but on refitting the starter noticed some marks in the larger of the two gears that sit under the round cover. I have attached a picture of the indentations in...	Czechmick	0	800	Jun 17, 2020 by Czechmick
	Fuel Additives (Preview) Hi All, It has been a while since I last posted but I thought I would get back on the 'horse' - power that is. I have recently had to spend a lot of time getting my old TTR running again because of old fuel and a battery that is also getting old. Normally when I know it is going to be a while before I can get back o...	TTRtramp	6	867	Jun 15, 2020 by TTRtramp
	Dowel fallen into the motor help wanted (Preview) Hello to you all, After a delay of some 5 years or so i have started to complete the rebuild of my blue TTR. Rolling chassis with new powder coating is all complete. I was in the process of replacing the cylinder head when I realised I'd put the cam chain blade in upside down. Off came the head but it took the...	Czechmick	8	933	Jun 11, 2020 by mossproof
	Replacing swingarm bearings on a Raid (Preview) When I look where the bearings will fit, there is a lip perhaps an inch in where the bore size is smaller Should the bearing be pushed in until it stops against the lip This will leave the bearing about 15mm in from the outside edge of the swingarm No pictures as I've already pushed them in so that they are f...	Flatline	3	914	Jun 9, 2020 by Flatline
	Hard to downshift (Preview) Hi all. Hope you're having a good day. I'm hunting for a ttr, found one in Cornwall, the Open Enduro, but it's problematic. Talked to the guy on the phone, sounded reasonable and no bull****, he said it's hard to downshift. Shifts up well. He thought it's a clutch, replaced, but problem persists. I'...	pjkr199	5	903	Jun 9, 2020 by pjkr199
	Dual sport tyres (Preview) Well as I have posted on a previous topic I was going to fit dual sport / adventure tyres on the TTR, will keep MT21's on the WRR for the rough tracks, going to keep the TTR for dirt /gravel roads. Had a delivery from postman Pat today, so on a 39-40c day I changed both tyres, not sure about the front but I guess...	TerryK	10	1216	Jun 5, 2020 by dlee22
	Battery discharging when bike not in use. (Preview) Is this likely to be the rectifier unit and, if so, where and how much for a new one?	Stupat	21	6436	May 30, 2020 by Maniot
	Graphogen Assembly Compound (Preview) My rebuilds often advance at a snail's pace so that much of the oil I use on assembly has probably long gone by the time I get to run the engine. I belong to a few classic bike FB groups and there were a lot of experienced guys recommending Graphogen. Not cheap at £27 but its a big tube - 125g - and will probably...	TTRfan	0	709	May 29, 2020 by TTRfan
	Highest Mileage TTR 250 (Preview) What is the highest you have seen on a straight engine? I bumped into a fellow TTR rider at the weekend and he had 40k on his one. Although he told me it had 4 owners so someone may have done some engine work in it I guess...	TTRHead	11	2769	May 27, 2020 by smcbr6
	Tdc, cam chain new(ish) and cams not level. (Preview) Hi all, My bike starts okay however my cams are both slightly off level when tdc (single mark). I have recently replaced the cam chain (2000 miles Max) so wasn't too worried. Having rebuilt the bike to a 350 and using a air fuel ratio gauge I'm trying to ensure it's running nice however I'm having a bit o...	dlee22	6	1078	May 26, 2020 by dlee22
	Carb troubles (Preview) I've been having some trouble with my bike bogging down and cutting out when I apply the throttle. After a few chats and looking around I decided that it would be best to clean the carb. There was some build up and so I cleaned it no bother and put it all back together and slapped it on the big. When we went...	Jpolonoski	6	955	May 25, 2020 by Base
	Oil leak by starter motor (Preview) Hi, my Australian 2006 ttr250 has recently developed an oil leak which seems to be coming from underneath the starter motor. I have done some reading on the forum and understand that it could be a cracked generator cover case caused by the sprang clutch making a clack noise on shutdown and sending a sho...	Louis0238	5	1288	May 22, 2020 by mossproof
	Pet** Filters (Preview) Hi, does anybody know where I can get the just the pet** filters from? They‘ve all but disintegrated on my new project. They’re not listed as being able to purchase separately - I‘m going to install an in-line filter in the fuel pipe but as I’ve got the fuel tap off to clean the tank out thought I may as we...	Peak	2	1031	May 18, 2020 by Peak
	Rear suspension (Preview) Hi Team, I am not new to this forum, I had posted a while back that my rear shock keeps leaking after repairing it. Lasts a few weeks after I install a new seal head bought from Totally TTR. After riding for a month or so it starts leaking again. I have followed through the manual for repairing(shock repai...	vwanjau	1	1088	May 15, 2020 by vwanjau
	engine mounts (Preview) hi,have gone over my newly acquired ttr250 earlier and there is no engine mount for the top front of the cylinder head,is this normal or do i need to fabricate/buy new plates,thanks in advance,rodge	rodge70	6	1499	May 11, 2020 by comeragh
	riding position (Preview) i have a oe and i am finding the riding position when standing very cramped when i am balanced with a bit of bend at the knees and just the balls of the feet on the pegs the bars are virtually below my head so any acceleration or deceleration puts a fair amount of strain on the arms i have bar risers fitted whic...	engineer1949	10	1055	May 9, 2020 by TTRfan
	Replace Oil seal on Clutch "Push Lever" Assistance (Preview) Hi All I have an oil seal that is leaking oil out and I have tracked it down to the Push Lever assembly seal. Does any one have a step by set instruction or video on this . I have the manual which touches on engine assembly (page 4-48) but doesn't go into just the seal replacement. ie first stage remove gene...	Rossyboys	14	3574	May 3, 2020 by mossproof
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