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

LowInertia · LowInertia

Hi. I m using my TTR OE mostly for commuting in the city and some light enduro riding. From time to time, I ride with a pillion on the bike and naturally the bike kinda ´sits´. I stiffen the rear shock and the ride is ...ok but It makes me wonder if I m damaging the subframe by riding with pillions since its suc...

Riggsb20 · Riggsb20

Still getting a jet black spark plug after carb refurbishment where I replaced all rubbers and jets and adjusted fuel/air mixture. What could it be other than the carb? Or could it be I need a new carb all together?

TTRfan · TTRfan

Stripping down an engine tonight, I used the "jam the sprocket with a socket" technique - worked a treat An odd thing, the nut needed a 32mm spanner (I haven't got a deep socket that size) and I am sure that nearly every other sprocket nut I have encountered is 30mm I will try and remember to check it out...

Jeff B · Jeff B

If you can lay your hands on a 10mm bearing puller, then there is a good chance you can remove your rear shock bearing collars without any damage.

TTRfan · TTRfan

I have just stripped out a kickstart kit to use on my 350 build - well pleased with it as Allen Millyard would say (search for that genius on YouTube) Unobtanium....

TTRfan · TTRfan

Don't forget to loosen the end cap before taking off the tensioner coz they tend to be VERY tight

Simmo · Simmo

Hi The bolt that holds the plug in was leaking oil. I unscrewed it to check washer and the threads came with it ! Now the bolt won’t tighten up. I’m wondering if it was re-tapped before as the bolt was non standard. It’s this one. Any ideas for blocking the hole. Don’t think I have the knowledge to re threa...

TTRfan · TTRfan

It's been a bit quiet on here lately so I hope you guys don't mind a bit of repitition. You never know, there might be new members that might appreciate this sort of stuff The loom is from my abandoned 350 project bike. I have sold the 325 engine from my blue TTR and will build and install the 350 engine in th...

JOHNYBOY · JOHNYBOY

just been tinkering today this is just a thought should the battery have a rubber strap if so mines missing but cant see any lugs for the ends to go on

Konrad · Konrad

Hi guys Now the fun begins ... I'm trying to find some more voltage on battery than 12,5V ... when engine is running. Does anybody know that stator coil should or shouldn't have a shortcut to it's case/ground ? I think on my TTR one of tree stator circuits has a puncture to the housing. I measured all coils...

TerryK · TerryK

When I was out today on the TTR it didn't feel right on turn in ( 80-100kph on dirt roads ) so when I got home I checked the swing arm for movement, seems ok, grabbed the forks & they seemed ok as well. A few months ago in trying to overcome the turn in issues I slipped the forks 10mm through the triple clam...

Don · Don

Hi I have a 06 blue 250 ttr, thinking of fitting a Michelin Anakee Wild 130/80-18 TT 66S Rear wheel M/C will this fit my bike without rubbing the frame or chain , what is you views on them for green lining use. best place to buy.

Barrelman · Barrelman

Spotted a minor fuel leak today seems to be around the pilot screw. Would a worn/damaged O ring cause a fuel leak? Or is the O ring just an air seal? Thanks

LowInertia · LowInertia

Hey all, First post on the forum. I ve been reading your posts for some time now and they ve really helped me out with some issues and questions I ´ve had. I m the owner of a 97 OE for the past few months and it really does put a smile on my face everytime I ride it. Ok, I will present myself and the bike in the appr...

DucDave · DucDave

Hi Ive had my OE TTR 17 Years and its still a great little bike However Im on tank number 3 (yes rotted out at the seat junction) and they are becoming like rocking horse droppings Does anyone know if the Blue plastic tank from the later bike fits a white OE? And if so, do you need the blue ones seat as well? Che...

Firestorm809 · Firestorm809

My front brake problems seem to be never ending. I have serviced the master cylinder using the all balls kit. I have also serviced the front caliper. I'm still unable to bleed the system, i simply cannot get any pressure build up. After many tests it seems air is getting in via the piston in the master cyl...

Kev · Kev

Hi All, I am having a few problems with my new to me TTR. The bike hadn't really been used for 3 0r 4 years, although it had been started and run and MOT'd every year and was just ridden, briefly, and Mot'd when I bought it. Fresh fuel, clean air filter, new plug, test ride. Starts, idle's and picks up perfec...

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.

Topic		Started By	Replies	Views	Last Post
	Pillion max load (Preview) Hi. I m using my TTR OE mostly for commuting in the city and some light enduro riding. From time to time, I ride with a pillion on the bike and naturally the bike kinda ´sits´. I stiffen the rear shock and the ride is ...ok but It makes me wonder if I m damaging the subframe by riding with pillions since its suc...	LowInertia	2	787	Sep 4, 2020 by comeragh
	Black spark plug Spark plug (Preview) Still getting a jet black spark plug after carb refurbishment where I replaced all rubbers and jets and adjusted fuel/air mixture. What could it be other than the carb? Or could it be I need a new carb all together?	Riggsb20	4	730	Aug 28, 2020 by TTRfan
	Today's top tip - undoing a sprocket nut when the engine is out of the frame (Preview) Stripping down an engine tonight, I used the "jam the sprocket with a socket" technique - worked a treat An odd thing, the nut needed a 32mm spanner (I haven't got a deep socket that size) and I am sure that nearly every other sprocket nut I have encountered is 30mm I will try and remember to check it out...	TTRfan	7	564	Aug 26, 2020 by ttboof
	Rear Shock - Bearing collar removal (Preview) If you can lay your hands on a 10mm bearing puller, then there is a good chance you can remove your rear shock bearing collars without any damage.	Jeff B	1	691	Aug 24, 2020 by TTRfan
	TTR250 porn - a kickstart kit!!! (Preview) I have just stripped out a kickstart kit to use on my 350 build - well pleased with it as Allen Millyard would say (search for that genius on YouTube) Unobtanium....	TTRfan	2	787	Aug 18, 2020 by TTRfan
	Today's top tip - cam chain tensioner (Preview) Don't forget to loosen the end cap before taking off the tensioner coz they tend to be VERY tight	TTRfan	4	866	Aug 17, 2020 by ttboof
	Decompressor plug problems ( 1 2 ) (Preview) Hi The bolt that holds the plug in was leaking oil. I unscrewed it to check washer and the threads came with it ! Now the bolt won’t tighten up. I’m wondering if it was re-tapped before as the bolt was non standard. It’s this one. Any ideas for blocking the hole. Don’t think I have the knowledge to re threa...	Simmo	91	15754	Aug 16, 2020 by TTRfan
	Fitting terminals on an OE wiring loom (Preview) It's been a bit quiet on here lately so I hope you guys don't mind a bit of repitition. You never know, there might be new members that might appreciate this sort of stuff The loom is from my abandoned 350 project bike. I have sold the 325 engine from my blue TTR and will build and install the 350 engine in th...	TTRfan	1	701	Aug 16, 2020 by TTRfan
	battery strap (Preview) just been tinkering today this is just a thought should the battery have a rubber strap if so mines missing but cant see any lugs for the ends to go on	JOHNYBOY	7	1094	Aug 13, 2020 by rbraz1980
	No battery charging ... (Preview) Hi guys Now the fun begins ... I'm trying to find some more voltage on battery than 12,5V ... when engine is running. Does anybody know that stator coil should or shouldn't have a shortcut to it's case/ground ? I think on my TTR one of tree stator circuits has a puncture to the housing. I measured all coils...	Konrad	4	586	Aug 11, 2020 by TTRfan
	HEAD STEM BEARINGS (Preview) When I was out today on the TTR it didn't feel right on turn in ( 80-100kph on dirt roads ) so when I got home I checked the swing arm for movement, seems ok, grabbed the forks & they seemed ok as well. A few months ago in trying to overcome the turn in issues I slipped the forks 10mm through the triple clam...	TerryK	4	601	Aug 11, 2020 by TerryK
	Rear tyre (Preview) Hi I have a 06 blue 250 ttr, thinking of fitting a Michelin Anakee Wild 130/80-18 TT 66S Rear wheel M/C will this fit my bike without rubbing the frame or chain , what is you views on them for green lining use. best place to buy.	Don	5	664	Aug 10, 2020 by mossproof
	Carb fuel leak advice (Preview) Spotted a minor fuel leak today seems to be around the pilot screw. Would a worn/damaged O ring cause a fuel leak? Or is the O ring just an air seal? Thanks	Barrelman	0	310	Aug 9, 2020 by Barrelman
	Decomp Lever (Preview) Hey all, First post on the forum. I ve been reading your posts for some time now and they ve really helped me out with some issues and questions I ´ve had. I m the owner of a 97 OE for the past few months and it really does put a smile on my face everytime I ride it. Ok, I will present myself and the bike in the appr...	LowInertia	3	689	Aug 8, 2020 by LowInertia
	Blue Plastic Tanks on White OE? (Preview) Hi Ive had my OE TTR 17 Years and its still a great little bike However Im on tank number 3 (yes rotted out at the seat junction) and they are becoming like rocking horse droppings Does anyone know if the Blue plastic tank from the later bike fits a white OE? And if so, do you need the blue ones seat as well? Che...	DucDave	1	313	Aug 7, 2020 by TTRfan
	More front brake issues (Preview) My front brake problems seem to be never ending. I have serviced the master cylinder using the all balls kit. I have also serviced the front caliper. I'm still unable to bleed the system, i simply cannot get any pressure build up. After many tests it seems air is getting in via the piston in the master cyl...	Firestorm809	18	2170	Aug 6, 2020 by JOHNYBOY
	Rough running puzzle (Preview) Hi All, I am having a few problems with my new to me TTR. The bike hadn't really been used for 3 0r 4 years, although it had been started and run and MOT'd every year and was just ridden, briefly, and Mot'd when I bought it. Fresh fuel, clean air filter, new plug, test ride. Starts, idle's and picks up perfec...	Kev	7	529	Aug 2, 2020 by Kev
	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	523	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	480	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	531	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	2718	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	1055	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	955	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	1161	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	389	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	781	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	1036	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	587	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	459	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	536	Jun 26, 2020 by TTRfan
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