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

nwrider · nwrider

i went to do a little spring cleaning and took of the front sprocket guard and the nut that holds the 14th sprocket is loose. it wont tighten down it has the pryable nut lock on it so it wont come off, but it seems that the bolt holding the gear on is stripped? what should i do next?

Markvan · Markvan

Ive got the callipar off the bike with the bleeder bolt loose and the brake line fitting off. Still cant get the pistons in this little bit extra i need for the new pads to go over the disc. Search some youtube and someone said after market pads can have more meat on the pads. Will the pistons go in further as...

TTRfan · TTRfan

I haven't been having a lot of success with easy outs recently so I took great delight in successfully removing a stuck caliper pin this afternoon - little things eh? Shame the pins seem to be made of cream cheese

TTR250RIDER · TTR250RIDER

Hey everyone I am posting in need of help with my TTR250. I recently got a TTR 250 about late summer of 2015 it is a 1999 bought brand new by the previous owner (my grandfather) in 2003. He put about 370 Kilometres on the bike and it sat in a shed since about 2006. I bought it off him and cleaned the fuel system a...

Moo · Moo

Had an odd problem today.. Rode out to meet up with some guys to go down some Greenlanes. Bike started on the button as usual, no issues. Met up with the others and one for the guys had broken down, couldn't fix it so awaited recovery. We were going to carry on.... Turn the ignition on, and nothing happene...

TTRfan · TTRfan

The photo above shows what can happen on the manufacturing join.A customer recently had a successful repair to a cracked rim and kindly passed on contact details for the guy who did it. Might help someone.The Calne based welder’s name is Liam. His number is 07908 590882.Brian

Moo · Moo

Hey guys, When I bought my Raid, I also got given a set of what I believe are the open endure front forks. They have the little air nipple at the top. My question is, are their any differences between the two apart from this air nipple and which set are better? Is it worth me swapping over the OE ones?

Markvan · Markvan

In the process of fitting an oil cooler i got from Brian i noticed this scrapping mark .Posted on the forum a few weeks back about a noise i could here at times. This maybe the problem, i have not had the clutch plates off as yet, but that large cog behind the clutch plates wobbles by hand. These scrapes on t...

TTRVN · TTRVN

So recently my Raid developed these problems. I guess it is time for valve clearance adjustment/ shim replacement? - Lots of blue smoke when cold starting, hard to start after sitting for 10- 12 hours. My guess is the oil leaking into the piston during the night. - Loud clicking noise for 2-3 minutes af...

NeilB · NeilB

My 2004 Blue TTR250 has sat for a while not being used. Wouldn't start at all, but turned over fine, so I stripped & cleaned the carb. Turned out the float valve was sticking closed, not letting any fuel in. All cleaned up with carb cleaner, then I put it all back together & it started reluctantly...

Wynand · Wynand

Good day everyone So I feel like my bike has reached a stage where I feel its necessary to spend some cash on it. I have a bit of spare cash lying around so here goes. When the bike is elevated the rear wheel seems to have some play when the wheel is moved up and down. No play when moved sideways. My uneducated...

TTRfan · TTRfan

Some of the older models such as the 4GY1 ran different teeth combinations to later engines. There was a 72T/20T (#4GY-15512-00-00) large idler gear which ran with a 16T/15T (part #4GY-15517-00-00) small idler gear. The large idler gear is no longer available from a Yamaha parts dealer in the UK alt...

Jak · Jak

Hi, I am usually pretty good at working out how long road tyres will last on bikes but I am still pretty new to this off road stuff. I have an Ac10 on the back of my TTR and it has about 10mm left on the centre blocks (it seems strange calling it tread). if I sort out some other issues with the bike I intend ridi...

Jak · Jak

eHelp my bike is making an ominous rattle. It sounds like the rear chain is knocking on the engine cases but it isn't because I have just put a new chain and sprockets (14/48) on. The noise seems to come mainly from the left side of the engine and originally seemed to only be when the bike was moving but n...

Gus The Snail · Gus The Snail

ITs dark out , so havent looked hard , but starter is cranking , battery has good charge , but wont fire. Is there a common fault electrically that would be causing the problem?

BM Steve · BM Steve

OK, so when the clutch is in all the way, no drag or anything, fully disengaged then slowly let it out and nothing till it hits a very narrow section of 15mm Lever is adjusted with about 5mm of play at the very end of the lever, so 75mm travel pulled fully in, clutch take-up begins at 30mm out and fully out at 4...

Seatosky · Seatosky

Hi everyone I am new to this site, I bought my ttr250 in February and rode it for about a month before doing a full strip down to it. Before the strip it was leaking creamy oil from the crankcase breather hose connected to the rocker cover. I hoped that the cleaning and replacing of everything would help ge...

TTRfan · TTRfan

An owner in Laos has asked if I know of a source of ignition pickup coils as he has two of his rental TTRs out of action at the moment because they have failed. I found this on the forum but am hoping someone can be more precise and point us in the right direction with a known part that works?Hey guys, I've been...

RodYorkttr · RodYorkttr

Evening people! Im (again) the owner of a Raid & looking for another (next film??) I am completing the final stages to film of a trip to Western Sahara...on a budget<£980.00 everything's there...love, sorrow, joy, dirt, sand .. Here's the trailer- I hope you enjoy it...please do comment &a...

honda15i · honda15i

Hi, I just got this problem permanently. See video https://youtu.be/ulAT5qzi390 This behavior was happening once per day before. It seems starter solenoid (relay) is working, battery is charged. Starter relay produces 12v beetween main terminals (see image) Seems starter it self is faulty....

Jak · Jak

Hi, since buying my TTR back at the end of December it has had a misfire. Now it is always there but not constantly, for instance I rode it from Derby to South Wales a couple of weeks ago and it was okay at a steady 65ish in the pouring rain on the motorway but then was missing firing on the back lanes. I have p...

honda15i · honda15i

Hi, I see inside of my metal tank there is rust. How do you usually clean it/ remove? I saw on youtube people are filling tank with an apple cider vinegar. Has anybody tried this on ttr metal? :) Thanks

TTRfan · TTRfan

Best and most practical tyre changing video I have watched so far - old guys rule!

Kito · Kito

Hi I'm new here but done plenty of on and off road touring by motorbike in the past and am considering getting myself a ttr250 for some green laning and some long distance off-road tours. so is seems your the guys to ask about these bikes. what would you guys class as high milage for these motors (With appr...

nelly · nelly

hi guys as the ttr is my first ever off-roader,can I ask you lot what cleaning substance/spray/liquid you use, theres lots about but ive only ever used soapy water on previous rides thanks in advance nel

Markvan · Markvan

Made it out of a excersise bike, done the front tyre yesterday working on the ground ( does my back in). Never replaced a rear before so im going to give it ago with this.

TTRfan · TTRfan

My brother-in-law complained that his TTR's front wheel was acting oddly so I had a look at the rim and tyre.It was only after spinning it around a few times to check for any run out or damage to the rim that I noticed the odd tyre wear.I hope the pics are clear enough to see the difference between the tread o...

Giovanni Ginocchio · Giovanni Ginocchio

Hi guy's my name is Giovanni , I live in Australia and i just bought a 2008 TTR 250 . I am a novice however I never owned a Mortbike before therefore I am looking for some advice on the topic . I will using my TTR 250 only for road , I bought an enduro bike because I know they are like tractors 😉 , and as a simple ma...

Markvan · Markvan

Hi. Would the oil cooler brackets go inside this engine mount bracket or outside. Im planing to fit it in a few weeks. (Chance favors the prepared mind)

Woodski · Woodski

Hi all - mine are looking tatty and I have some white vinyl I could use. Best Regards

Topic		Started By	Replies	Views	Last Post
	front sprocket Loose? (Preview) i went to do a little spring cleaning and took of the front sprocket guard and the nut that holds the 14th sprocket is loose. it wont tighten down it has the pryable nut lock on it so it wont come off, but it seems that the bolt holding the gear on is stripped? what should i do next?	nwrider	6	1066	Jun 3, 2016 by nwrider
	Brake pistons wont go all the way in. (Preview) Ive got the callipar off the bike with the bleeder bolt loose and the brake line fitting off. Still cant get the pistons in this little bit extra i need for the new pads to go over the disc. Search some youtube and someone said after market pads can have more meat on the pads. Will the pistons go in further as...	Markvan	4	548	May 28, 2016 by Markvan
	Wahoo - a successful "easy out"! (Preview) I haven't been having a lot of success with easy outs recently so I took great delight in successfully removing a stuck caliper pin this afternoon - little things eh? Shame the pins seem to be made of cream cheese	TTRfan	1	462	May 27, 2016 by ttboof
	Carb Problems on 1999 TTR250 Like New (Preview) Hey everyone I am posting in need of help with my TTR250. I recently got a TTR 250 about late summer of 2015 it is a 1999 bought brand new by the previous owner (my grandfather) in 2003. He put about 370 Kilometres on the bike and it sat in a shed since about 2006. I bought it off him and cleaned the fuel system a...	TTR250RIDER	3	674	May 26, 2016 by peteBLUEttr
	Electrical Problem - Had the magic smoke escaped? (Preview) Had an odd problem today.. Rode out to meet up with some guys to go down some Greenlanes. Bike started on the button as usual, no issues. Met up with the others and one for the guys had broken down, couldn't fix it so awaited recovery. We were going to carry on.... Turn the ignition on, and nothing happene...	Moo	2	615	May 22, 2016 by TTRfan
	Repairing a cracked wheel rim (Preview) The photo above shows what can happen on the manufacturing join.A customer recently had a successful repair to a cracked rim and kindly passed on contact details for the guy who did it. Might help someone.The Calne based welder’s name is Liam. His number is 07908 590882.Brian	TTRfan	0	425	May 19, 2016 by TTRfan
	Front Fork Differences (Preview) Hey guys, When I bought my Raid, I also got given a set of what I believe are the open endure front forks. They have the little air nipple at the top. My question is, are their any differences between the two apart from this air nipple and which set are better? Is it worth me swapping over the OE ones?	Moo	4	1436	May 14, 2016 by ttr steve
	Clutch basket loose? /// scrape marks (Preview) In the process of fitting an oil cooler i got from Brian i noticed this scrapping mark .Posted on the forum a few weeks back about a noise i could here at times. This maybe the problem, i have not had the clutch plates off as yet, but that large cog behind the clutch plates wobbles by hand. These scrapes on t...	Markvan	10	1487	May 13, 2016 by Markvan
	Time for valve adjustment? (Preview) So recently my Raid developed these problems. I guess it is time for valve clearance adjustment/ shim replacement? - Lots of blue smoke when cold starting, hard to start after sitting for 10- 12 hours. My guess is the oil leaking into the piston during the night. - Loud clicking noise for 2-3 minutes af...	TTRVN	7	2036	May 13, 2016 by leigh
	Starter motor spinning, but not engaging to engine (Preview) My 2004 Blue TTR250 has sat for a while not being used. Wouldn't start at all, but turned over fine, so I stripped & cleaned the carb. Turned out the float valve was sticking closed, not letting any fuel in. All cleaned up with carb cleaner, then I put it all back together & it started reluctantly...	NeilB	5	1965	May 2, 2016 by TTRfan
	Some general maintenance (Preview) Good day everyone So I feel like my bike has reached a stage where I feel its necessary to spend some cash on it. I have a bit of spare cash lying around so here goes. When the bike is elevated the rear wheel seems to have some play when the wheel is moved up and down. No play when moved sideways. My uneducated...	Wynand	4	703	May 2, 2016 by Wynand
	Replacing the starter "idler gears" - beware! (Preview) Some of the older models such as the 4GY1 ran different teeth combinations to later engines. There was a 72T/20T (#4GY-15512-00-00) large idler gear which ran with a 16T/15T (part #4GY-15517-00-00) small idler gear. The large idler gear is no longer available from a Yamaha parts dealer in the UK alt...	TTRfan	6	3594	Apr 29, 2016 by TTRfan
	Tyre wear (Preview) Hi, I am usually pretty good at working out how long road tyres will last on bikes but I am still pretty new to this off road stuff. I have an Ac10 on the back of my TTR and it has about 10mm left on the centre blocks (it seems strange calling it tread). if I sort out some other issues with the bike I intend ridi...	Jak	6	712	Apr 28, 2016 by BM Steve
	Ominous noise. (Preview) eHelp my bike is making an ominous rattle. It sounds like the rear chain is knocking on the engine cases but it isn't because I have just put a new chain and sprockets (14/48) on. The noise seems to come mainly from the left side of the engine and originally seemed to only be when the bike was moving but n...	Jak	7	829	Apr 27, 2016 by Jak
	Just bought another one... 12/2004 , cranks but doesnt fire (Preview) ITs dark out , so havent looked hard , but starter is cranking , battery has good charge , but wont fire. Is there a common fault electrically that would be causing the problem?	Gus The Snail	13	891	Apr 24, 2016 by TTRfan
	Clutch Take Up (Preview) OK, so when the clutch is in all the way, no drag or anything, fully disengaged then slowly let it out and nothing till it hits a very narrow section of 15mm Lever is adjusted with about 5mm of play at the very end of the lever, so 75mm travel pulled fully in, clutch take-up begins at 30mm out and fully out at 4...	BM Steve	6	706	Apr 23, 2016 by BM Steve
	White/ creamy oil running from crankcase breather hose after every bike ride (Preview) Hi everyone I am new to this site, I bought my ttr250 in February and rode it for about a month before doing a full strip down to it. Before the strip it was leaking creamy oil from the crankcase breather hose connected to the rocker cover. I hoped that the cleaning and replacing of everything would help ge...	Seatosky	9	1315	Apr 22, 2016 by comeragh
	Ignition pickup coil or sensor replacement (Preview) An owner in Laos has asked if I know of a source of ignition pickup coils as he has two of his rental TTRs out of action at the moment because they have failed. I found this on the forum but am hoping someone can be more precise and point us in the right direction with a known part that works?Hey guys, I've been...	TTRfan	1	2677	Apr 21, 2016 by ttboof
	Morocco -Western Sahara & Spain on a budget (Preview) Evening people! Im (again) the owner of a Raid & looking for another (next film??) I am completing the final stages to film of a trip to Western Sahara...on a budget<£980.00 everything's there...love, sorrow, joy, dirt, sand .. Here's the trailer- I hope you enjoy it...please do comment &a...	RodYorkttr	14	1208	Apr 21, 2016 by TTRfan
	Does not turn the starter (Preview) Hi, I just got this problem permanently. See video https://youtu.be/ulAT5qzi390 This behavior was happening once per day before. It seems starter solenoid (relay) is working, battery is charged. Starter relay produces 12v beetween main terminals (see image) Seems starter it self is faulty....	honda15i	9	841	Apr 18, 2016 by Cubber
	Mis fire,occassional cutting out. Help (Preview) Hi, since buying my TTR back at the end of December it has had a misfire. Now it is always there but not constantly, for instance I rode it from Derby to South Wales a couple of weeks ago and it was okay at a steady 65ish in the pouring rain on the motorway but then was missing firing on the back lanes. I have p...	Jak	0	591	Apr 17, 2016 by Jak
	Cleaning rust from the metal tank (white model) (Preview) Hi, I see inside of my metal tank there is rust. How do you usually clean it/ remove? I saw on youtube people are filling tank with an apple cider vinegar. Has anybody tried this on ttr metal? :) Thanks	honda15i	4	861	Apr 17, 2016 by BM Steve
	Repairing a puncture or changing a tube on the trail video (Preview) Best and most practical tyre changing video I have watched so far - old guys rule!	TTRfan	6	759	Apr 12, 2016 by leigh
	High milage (Preview) Hi I'm new here but done plenty of on and off road touring by motorbike in the past and am considering getting myself a ttr250 for some green laning and some long distance off-road tours. so is seems your the guys to ask about these bikes. what would you guys class as high milage for these motors (With appr...	Kito	6	699	Apr 8, 2016 by JOHNYBOY
	care and cleaning tips ? (Preview) hi guys as the ttr is my first ever off-roader,can I ask you lot what cleaning substance/spray/liquid you use, theres lots about but ive only ever used soapy water on previous rides thanks in advance nel	nelly	7	766	Apr 8, 2016 by nelly
	Tyre remover (Preview) Made it out of a excersise bike, done the front tyre yesterday working on the ground ( does my back in). Never replaced a rear before so im going to give it ago with this.	Markvan	6	667	Apr 6, 2016 by Markvan
	Weird tyre wear! (Preview) My brother-in-law complained that his TTR's front wheel was acting oddly so I had a look at the rim and tyre.It was only after spinning it around a few times to check for any run out or damage to the rim that I noticed the odd tyre wear.I hope the pics are clear enough to see the difference between the tread o...	TTRfan	11	1375	Apr 2, 2016 by peteBLUEttr
	How many Km before service (Preview) Hi guy's my name is Giovanni , I live in Australia and i just bought a 2008 TTR 250 . I am a novice however I never owned a Mortbike before therefore I am looking for some advice on the topic . I will using my TTR 250 only for road , I bought an enduro bike because I know they are like tractors 😉 , and as a simple ma...	Giovanni Ginocchio	5	1276	Apr 1, 2016 by Giovanni Ginocchio
	Oil cooler mount position (Preview) Hi. Would the oil cooler brackets go inside this engine mount bracket or outside. Im planing to fit it in a few weeks. (Chance favors the prepared mind)	Markvan	2	770	Mar 30, 2016 by Markvan
	Anyone have a template for the side panel stickers for a 2005 TTR ? (Preview) Hi all - mine are looking tatty and I have some white vinyl I could use. Best Regards	Woodski	3	864	Mar 28, 2016 by TTRfan
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