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

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...

wideload · wideload

Hi my 250 Ttr250 is fitted with the raid headlight. cant see a front sidelight, or a fitment for one, does it need one for a mot ? . rear works fine but baffling me why the front end don’t have one. cheers.

TTR2501966 · TTR2501966

Hi folks, Last MOT I got a verbal advisory to sort out the rear brake pedal as it wiggles on the shaft on the frame. I get the feeling the pedal should be held in place by a circlip or similar. Unfortunately on my bike one of the previous owners has welded a washer on to the shaft to keep the pedal in place. Befo...

Akos · Akos

Hi All, Great to see that our beloved bike has such a helpful community. I have been driving my TTR 250 for 2 years now. After a recent fall over my gear lever would not return to the central position. So I have took it apart and realized that my return spring post is broken out of the crankcase. Please see th...

Flatline · Flatline

1. My Raid is an import first registered 13 Feb 2002 on an "L" plate, the frame number is 4GY 030147. Looking at the FAQ section on ttr250.com this shows it to be a 94/95 model, Yet the "L" plate is for 1993 The speedo is electronic and in KPH and it looks like its a Japanese import (https://bikeswiki.com/Y...

Brighton Brad · Brighton Brad

Hello gents, is there a link to valve oil seal replacemen, I have looked but not found one!! Hope everyone is well and safe, best wishes to all and sundry , Brad

sable · sable

Hello guys, Does anybody know, which component has to be on board (see photo)? I know, it's capacitor, but I don't know capacitance and working voltage. Please help.

Flatline · Flatline

What sort of speedo does the Raid have, cable or electronic?

Topic		Started By	Replies	Views	Last Post
	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	450	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	843	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	1143	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	643	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	507	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	592	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	651	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	658	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	770	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	667	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	706	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	1021	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	5731	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	530	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	2329	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	931	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	753	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	983	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	794	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	898	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	1251	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	852	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	2704	May 3, 2020 by mossproof
	Sidelight. (Preview) Hi my 250 Ttr250 is fitted with the raid headlight. cant see a front sidelight, or a fitment for one, does it need one for a mot ? . rear works fine but baffling me why the front end don’t have one. cheers.	wideload	2	604	May 3, 2020 by wideload
	Rear Brake Pedal and spotlights. MOT failures. (Preview) Hi folks, Last MOT I got a verbal advisory to sort out the rear brake pedal as it wiggles on the shaft on the frame. I get the feeling the pedal should be held in place by a circlip or similar. Unfortunately on my bike one of the previous owners has welded a washer on to the shaft to keep the pedal in place. Befo...	TTR2501966	9	1070	May 2, 2020 by TTR2501966
	Return spring post (Preview) Hi All, Great to see that our beloved bike has such a helpful community. I have been driving my TTR 250 for 2 years now. After a recent fall over my gear lever would not return to the central position. So I have took it apart and realized that my return spring post is broken out of the crankcase. Please see th...	Akos	3	565	Apr 29, 2020 by jasparach
	Vehicle info confirmation please (Preview) 1. My Raid is an import first registered 13 Feb 2002 on an "L" plate, the frame number is 4GY 030147. Looking at the FAQ section on ttr250.com this shows it to be a 94/95 model, Yet the "L" plate is for 1993 The speedo is electronic and in KPH and it looks like its a Japanese import (https://bikeswiki.com/Y...	Flatline	3	783	Apr 29, 2020 by Flatline
	Valve oil seal replacement??? (Preview) Hello gents, is there a link to valve oil seal replacemen, I have looked but not found one!! Hope everyone is well and safe, best wishes to all and sundry , Brad	Brighton Brad	1	782	Apr 25, 2020 by TTRfan
	Speedo board (Preview) Hello guys, Does anybody know, which component has to be on board (see photo)? I know, it's capacitor, but I don't know capacitance and working voltage. Please help.	sable	5	789	Apr 23, 2020 by ttr steve
	Raid speedo (Preview) What sort of speedo does the Raid have, cable or electronic?	Flatline	2	914	Apr 23, 2020 by Flatline
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