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

TbirdX · TbirdX

Wondered why the garage was smelling of juice lately, I think it may be down to this... Slight weep of petrol from this joint I think. New gaskets or carb off to try and tighten the screws in the bottom up?

TTRfan · TTRfan

I know that it is a good idea to change brake fluid every few years but hadn't appreciated quite how old fluid can deteriorate over time until I opened a front brake master cylinder/reservoir today. I had already removed quite a bit of coagulated nasty gunk before I thought to take a couple of photos. Yu...

purdoy25 · purdoy25

Hello. I have an old and rather excessively modified non-running TTR250 that I've set aside because of all the issues it kept getting. I'm wondering if it's even worth fixing this thing as I've already sank over $1000 on repairs alone and it still keeps getting issues. This thing has lived in the mecha...

jaobedoza · jaobedoza

Seems previous owner used epoxy to stop a leak.

boris04300 · boris04300

Hello everyone, just bought a TTR from 2005 but the speedometer was not mounted. Now I try to put it back but it seems not to fit (the holes are not aligned). Can one of you take a picture of the mounting points of the speedometer so I understand how it should me mounted? Thanks in advance for your help! Bori...

PaulFoxton · PaulFoxton

Just recorded a vid of my TTR - just got it last week. Sometimes there's a heavy clunk when I kill the engine, sometimes no clunk, sometimes just a small one. I'm hoping someone with experience of these things can shed some light. Thanks, Paul -- Edited by PaulF...

Coley · Coley

Heidenau K60 in 130/80/18 on the left. Pirelli MT21 in 120/80/18 Michelin Tracker in 100/100/18 on the right. These are the only tyres I've tried so far so the comments are relative to these three tyres in UK conditions. I am searching for a green lane/TET tyre. Heidenau's were comfortable and fun on r...

Andreaskaf · Andreaskaf

Hello, i have a ttr250 raid and i would like to fit after market springs. I would like to ask if anyone knows if ttr 250 raid gets the same springs with open enduro. If you have any suggestion for after market springs i d appreciate that! My weight is 90 kg and my luggage weight almost 20 kg. Thank you!

davecambo · davecambo

Anyone fitted a trail tech vapor computer? If so how are they and can i see please?

Andreaskaf · Andreaskaf

Hello, i have a ttr250 raid and i would like to fit after market springs. I would like to ask if anyone knows if ttr 250 raid gets the same springs with open enduro. If you have any suggestion for after market springs i d appreciate that! My weight is 90 kg and my luggage weight almost 20 kg. Thank you!

newsagent · newsagent

I've only just got my 2001 TTR and have noticed a problem with the speedo. When I take off for a ride the speedo needle doesn't move but the odometer is clicking over, which suggests to me that the drive cable is doing its job. After some time and a solid whack on the speedo it jumps to life and is OK for the res...

Joshua97 · Joshua97

Hey guys, just scored my second TTR250, an 06 model with 14,000ks. The bike was a one owner from new and has sat for 6 years untouched- I was told it ran fine when parked last. So far I have changed the filters, plug, rebuilt the carby, new battery etc. The bike starts and idles awesome and revvs "ok" in neut...

Richie B · Richie B

Hi, Ive a TTR in need of a digital speedo & and rear shock replacement , any advice ?? cheers Richie

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...

Topic		Started By	Replies	Views	Last Post
	Carb Leak (Preview) Wondered why the garage was smelling of juice lately, I think it may be down to this... Slight weep of petrol from this joint I think. New gaskets or carb off to try and tighten the screws in the bottom up?	TbirdX	2	982	Oct 22, 2020 by mossproof
	Check your brake fluid! (Preview) I know that it is a good idea to change brake fluid every few years but hadn't appreciated quite how old fluid can deteriorate over time until I opened a front brake master cylinder/reservoir today. I had already removed quite a bit of coagulated nasty gunk before I thought to take a couple of photos. Yu...	TTRfan	7	1238	Oct 11, 2020 by TerryK
	Need some advice... should I just scrap this bike? fix repair scrap (Preview) Hello. I have an old and rather excessively modified non-running TTR250 that I've set aside because of all the issues it kept getting. I'm wondering if it's even worth fixing this thing as I've already sank over $1000 on repairs alone and it still keeps getting issues. This thing has lived in the mecha...	purdoy25	2	1023	Oct 7, 2020 by purdoy25
	What is this supposed to look like? (Preview) Seems previous owner used epoxy to stop a leak.	jaobedoza	2	962	Sep 28, 2020 by jaobedoza
	help mounting speedometer (Preview) Hello everyone, just bought a TTR from 2005 but the speedometer was not mounted. Now I try to put it back but it seems not to fit (the holes are not aligned). Can one of you take a picture of the mounting points of the speedometer so I understand how it should me mounted? Thanks in advance for your help! Bori...	boris04300	8	1408	Sep 21, 2020 by boris04300
	Is my sprag clutch going? Or gone? [video with sound] sprag clutch video (Preview) Just recorded a vid of my TTR - just got it last week. Sometimes there's a heavy clunk when I kill the engine, sometimes no clunk, sometimes just a small one. I'm hoping someone with experience of these things can shed some light. Thanks, Paul -- Edited by PaulF...	PaulFoxton	12	990	Sep 19, 2020 by PaulFoxton
	Tyre comparison (Preview) Heidenau K60 in 130/80/18 on the left. Pirelli MT21 in 120/80/18 Michelin Tracker in 100/100/18 on the right. These are the only tyres I've tried so far so the comments are relative to these three tyres in UK conditions. I am searching for a green lane/TET tyre. Heidenau's were comfortable and fun on r...	Coley	7	2150	Sep 18, 2020 by Horizonti
	Help with fork and rear springs (ttr 250 raid) (Preview) Hello, i have a ttr250 raid and i would like to fit after market springs. I would like to ask if anyone knows if ttr 250 raid gets the same springs with open enduro. If you have any suggestion for after market springs i d appreciate that! My weight is 90 kg and my luggage weight almost 20 kg. Thank you!	Andreaskaf	0	742	Sep 17, 2020 by Andreaskaf
	Trail tech vapor (Preview) Anyone fitted a trail tech vapor computer? If so how are they and can i see please?	davecambo	27	6120	Sep 15, 2020 by tripodtiger
	Help with fork and rear springs (ttr 250 raid) (Preview) Hello, i have a ttr250 raid and i would like to fit after market springs. I would like to ask if anyone knows if ttr 250 raid gets the same springs with open enduro. If you have any suggestion for after market springs i d appreciate that! My weight is 90 kg and my luggage weight almost 20 kg. Thank you!	Andreaskaf	0	964	Sep 14, 2020 by Andreaskaf
	Odometer works but speedo needle gets stuck. (Preview) I've only just got my 2001 TTR and have noticed a problem with the speedo. When I take off for a ride the speedo needle doesn't move but the odometer is clicking over, which suggests to me that the drive cable is doing its job. After some time and a solid whack on the speedo it jumps to life and is OK for the res...	newsagent	4	1139	Sep 12, 2020 by ttboof
	Motor backfiring and popping when accelerating...please help (Preview) Hey guys, just scored my second TTR250, an 06 model with 14,000ks. The bike was a one owner from new and has sat for 6 years untouched- I was told it ran fine when parked last. So far I have changed the filters, plug, rebuilt the carby, new battery etc. The bike starts and idles awesome and revvs "ok" in neut...	Joshua97	4	1695	Sep 10, 2020 by TTRfan
	Rear Shock & Speedo question (Preview) Hi, Ive a TTR in need of a digital speedo & and rear shock replacement , any advice ?? cheers Richie	Richie B	14	1034	Sep 6, 2020 by Richie B
	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	1075	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	967	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	828	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	965	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	1040	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	1147	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	27364	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	1003	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	1350	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	817	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	811	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	876	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	552	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	1081	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	538	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	2613	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	764	Aug 2, 2020 by Kev
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