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

engineer1949 · engineer1949

i have an open enduro with derestricted exhaust and opened up air box jetted to suit the better breathing, now runs really well no hesitating just pulls well right through the range BUT starting is now not good with the original jets it started allmost immediatly with the choke button out ,now it needs...

TTRfan · TTRfan

Over the years I have come across many wheel rims that have corroded on the inside next to where the tube valve and/or rim lock fits. Water (and maybe even salty water in the winter) gets in and starts the corrosion. The best way to prevent this happening is quite simple. Fit seals to the tube valves and a r...

JPVIC · JPVIC

So my TTR250 20016 blue model confuses me a bit. The only remnant of indicators is the indicator switch on the handlebar. There aren't even any holes or brackets where indicators used to be. Also no trace of a relay on the harness. So I've gone and bought LED indicators as well as the appropriate relay. I...

TTRfan · TTRfan

Just fitting a new set of D&D decals and started with the rear mudguard as it's the easiest to do. I haven't fitted decals for ages and it took a little while to remember the little tricks. Quite pleased with the result. Fork legs next, then side panels and tank.

Forgorin · Forgorin

Ahhh, 2km from home in rush hour traffic... Pushed it for a km to a local 7-11. Got a new cable coming tonight. Unfortunately I live at the top of a very steep hill....

TTRfan · TTRfan

OK – so this doesn’t feature a TTR tank but the principles will be the same! I went into my workshop one morning and it stank of petrol. The cause was a filler patch on the bottom of my BSA C15 petrol tank falling off and petrol dripping out of various pinholes where the tank had rusted through. Having attac...

Brighton Brad · Brighton Brad

Hi guys, please help, I just can’t seem to get the rubber seal from the generator on the crankcase to seal, it is, as they say”pissing out”. I’ve tried squirting gasket gunk round it, but so far to no avail. All sensible ideas welcome, cheers, Brad

jdeks · jdeks

Long time since I've been around here! Back on the TTR and have been noticing some odd gearbox behavior. Specifically, un-cooperative shifting gears when idling at standstill. Doesn't like going from Neutral to 1st or 2nd, or indeed shifting down from any higher gears if I coast to a standstill. Lev...

Jezben · Jezben

Hi recently bought my TTR 250. The first ride revealed that the front end seems to ping off most things rather than suspend nicely. The original owner had put new seals on and replaced the oil for 7.5wt. I was wondering if anyone uses lighter wt oil such as 5wt to soften the forks? the tyre i noticed are in...

anaronix · anaronix

Hello all. New to the world of TTRs and new to this forum. I'm quite pleased to have found this site and the wealth of info contained within. I have been reading through and learning a lot from many of the threads. I do however have a specific question. I bought a non-running project bike and have thus far m...

Fredi · Fredi

Tudni szeretném, hogy mennyi olaj megy bele egy villaszárba (1 teleszkópba) ??Illetve mennyi Bar levegőt fújtok bele?(fémtankos Open Enduro)

dlee22 · dlee22

Hi there does anyone have a spare oil pump pin for sale or know the dimensions? I have lost mine during the rebuild process. If you have the dimensions then potentially I may be able to use a hardened needle bearing (cut to size)? Thanks, I'm annoyed I lost mine!

shikufra · shikufra

Hi, not sure if I gave the right subject title. (bare with me) Hi all, Francis here from Kampala Uganda. A few days back bought another TTR250 Raid and even though the dealer suggested that its a 2000 model, I know its a 1994(will share pictures) I got the bike a few days back and my local mechanic suggeste...

dlee22 · dlee22

Hi there, I am in the process of repairing the bearings in my crank cases whilst it is apart. I have used the oven to remove all bearing and replaced most of them however there are two which I am not sure about. I have tried getting my head around codes but I'm making no progress. I have 2no. I am looking for....

TTRfan · TTRfan

I found this instruction sheet whilst sorting out some graphics the other day and couldn't recall if I had ever posted it up before so, just in case I haven't. here it is!! If you, like me, struggle with installing the exhaust-side panel graphic then this might help. I can do all the others no problem bu...

Looey · Looey

Hi all, I'm trying to fit rear indicators to my TTR, as they've been missing since I bought it. I'm missing the raiser brackets and also the rear lift handle (can't seem to find one anywhere

), so have lots of empty holes on the right hand side rear lol The 2 holes that seem to line up across the rear, one i...

Ariel OHV · Ariel OHV

Hello i hope someone can help and give me some informations. i want to help my friend in the Phillipines to repair his TTR250 from i think Model 1993 but nobody knows exactly. can anyone identify the year of the TTR. I need to find a repair kit for the Carburator but i only find a kit for 1999 to 2006 can i use t...

spunknik · spunknik

I was rebuilding my carb and attempted removing my accelerator pump nozzle thinking it was simply a screw in type jet... needless to say i was wrong. I attempted screwing it out, stripped it, proceeded to drill it out and remove with a screw extractor thinking i could just replace it... wrong again. It...

JPVIC · JPVIC

Hi all I've been noticing some jitter from my handlebars when riding off-road. Front wheel bearing is fine. One of the shocks also has a bit of a squeak and both feel a bit soft. Is this jitter indicative of leaking seals? It has done 30k km at least so i wouldn't be surprised. -- Edited by JPVIC on Monda...

tom13 · tom13

Google translator. I do not believe that there was no such question yet, but I do not find. Is it very dangerous in TTR to change gears without a clutch? There are 6 gears, close to each other as in motocross and that's where you usually ride and nothing breaks down. Best regards and thank you.

vinnie · vinnie

Got a knock yesterday and the left hand plastic lug that comes back and bolts to the headstock now has a length of around 2-3 cm missing in the middle. If I can get some plastic sheet it looks like I could glue this to the remains of the lug at the surround end. Anyone had any experience of repairing the plas...

MarkJ · MarkJ

http://www.ttr250.com/Shock_bearing_fitting_guide.html

Base · Base

Own a 2007 TTR250 Aust build. Managed to smash the headlight lens the other day. Doesn't look like there is anything much on Ebay in relation to the OEM lens as a replacement. Can I still get them anywhere? If not will anything else fit? And for your entertainment.... [video=https://youtu.be/ya9Hd...

dlee22 · dlee22

Hi there, Doesn't seem to be a thread on this at the moment. Can anyone recommend a good instant gasket for use between the crankcases? I have generic gasket I have used on other parts of the engine well however I want to make sure this is as robust as possible to avoid future issues and a huge waste of tim...

Stickerking · Stickerking

Ok, this thing is not responding to my advances. Bike was left sitting for over a year, carby was the first focus of attention, needed ultrasonic cleaned etc and new diaphragm for the acc. Pump and other assorted o-rings, seals etc. Accelerator pump is squirting. Bear in mind I have tried another carb...

dlee22 · dlee22

Hi there, I split my crankcases today and noticed a crack, I dknt think there is any issue really but I'm not 100% sure. Can I have your opinions please? I guess worst case I could get it tig welded or something?

davepage · davepage

Hi, I’m hoping for a bit of advice ?? I’ve got a fairly low mileage 2004 TTR and until yesterday the starter motor has been faultless....and the yesterday, part way through a long day, it suddenly ‘spun‘ but didn’t engage, if that makes sense ?? I could hear the starter spinning but it’s not turning the e...

NateGuy · NateGuy

Anyone have any experience repairing a cracked tank? From what I can see, plastic welding would be the way to go, but it's important to exactly match the plastic compound to the tank to make it a long term solution. I've been trying to find a tank for my '99 but they're nowhere to be found.

MotoNoob_92 · MotoNoob_92

Just bought a 2003, my first bike. I had no clue what to look for when checking it over. I took it out for an hour and dropped it at low speed a few times. Shut it off quickly, but it left some oil on the ground each time. Looking around, I saw a at the top of the cylinder head is a valve with a hose right next to it th...

colin4935 · colin4935

I fitted a new clutch to my TTR and replaced the Gunk that a previous owner has used with a proper Gasket. At the end of a long Distance Trial I discovered that the bike had dumped most of its oil. During remedial surgery I noticed that on both the clutch casing and the engine casing there is evidence of a ver...

Topic		Started By	Replies	Views	Last Post
	difficult starting after rejetting carb (Preview) i have an open enduro with derestricted exhaust and opened up air box jetted to suit the better breathing, now runs really well no hesitating just pulls well right through the range BUT starting is now not good with the original jets it started allmost immediatly with the choke button out ,now it needs...	engineer1949	6	1312	Nov 25, 2019 by mossproof
	Keeping water out of your wheel rims to prevent corrosion! (Preview) Over the years I have come across many wheel rims that have corroded on the inside next to where the tube valve and/or rim lock fits. Water (and maybe even salty water in the winter) gets in and starts the corrosion. The best way to prevent this happening is quite simple. Fit seals to the tube valves and a r...	TTRfan	0	1229	Nov 25, 2019 by TTRfan
	Indicator wiring and installation (Preview) So my TTR250 20016 blue model confuses me a bit. The only remnant of indicators is the indicator switch on the handlebar. There aren't even any holes or brackets where indicators used to be. Also no trace of a relay on the harness. So I've gone and bought LED indicators as well as the appropriate relay. I...	JPVIC	8	2446	Nov 21, 2019 by TTRfan
	Fitting new decals can be fun - when it turns out right! (Preview) Just fitting a new set of D&D decals and started with the rear mudguard as it's the easiest to do. I haven't fitted decals for ages and it took a little while to remember the little tricks. Quite pleased with the result. Fork legs next, then side panels and tank.	TTRfan	1	1060	Nov 19, 2019 by ttr steve
	Clutch cable snapped.... (Preview) Ahhh, 2km from home in rush hour traffic... Pushed it for a km to a local 7-11. Got a new cable coming tonight. Unfortunately I live at the top of a very steep hill....	Forgorin	9	1235	Nov 17, 2019 by Forgorin
	Repairing rust holes in a metal tank (Preview) OK – so this doesn’t feature a TTR tank but the principles will be the same! I went into my workshop one morning and it stank of petrol. The cause was a filler patch on the bottom of my BSA C15 petrol tank falling off and petrol dripping out of various pinholes where the tank had rusted through. Having attac...	TTRfan	4	1363	Nov 16, 2019 by pug
	Oil leak alternator cover rubber 😡 (Preview) Hi guys, please help, I just can’t seem to get the rubber seal from the generator on the crankcase to seal, it is, as they say”pissing out”. I’ve tried squirting gasket gunk round it, but so far to no avail. All sensible ideas welcome, cheers, Brad	Brighton Brad	6	1165	Nov 15, 2019 by Brighton Brad
	Rotational play in countershaft (Preview) Long time since I've been around here! Back on the TTR and have been noticing some odd gearbox behavior. Specifically, un-cooperative shifting gears when idling at standstill. Doesn't like going from Neutral to 1st or 2nd, or indeed shifting down from any higher gears if I coast to a standstill. Lev...	jdeks	2	952	Nov 13, 2019 by mossproof
	Fork oil (Preview) Hi recently bought my TTR 250. The first ride revealed that the front end seems to ping off most things rather than suspend nicely. The original owner had put new seals on and replaced the oil for 7.5wt. I was wondering if anyone uses lighter wt oil such as 5wt to soften the forks? the tyre i noticed are in...	Jezben	3	1145	Nov 11, 2019 by Jezben
	Oil Pump Gear noise? cam chain oil pump rattle (Preview) Hello all. New to the world of TTRs and new to this forum. I'm quite pleased to have found this site and the wealth of info contained within. I have been reading through and learning a lot from many of the threads. I do however have a specific question. I bought a non-running project bike and have thus far m...	anaronix	10	2115	Nov 9, 2019 by dlee22
	Első futómű (Preview) Tudni szeretném, hogy mennyi olaj megy bele egy villaszárba (1 teleszkópba) ??Illetve mennyi Bar levegőt fújtok bele?(fémtankos Open Enduro)	Fredi	4	875	Nov 8, 2019 by Fredi
	Oil pump pin (Preview) Hi there does anyone have a spare oil pump pin for sale or know the dimensions? I have lost mine during the rebuild process. If you have the dimensions then potentially I may be able to use a hardened needle bearing (cut to size)? Thanks, I'm annoyed I lost mine!	dlee22	0	958	Nov 7, 2019 by dlee22
	3 Batteries Dead by morning the next day (Preview) Hi, not sure if I gave the right subject title. (bare with me) Hi all, Francis here from Kampala Uganda. A few days back bought another TTR250 Raid and even though the dealer suggested that its a 2000 model, I know its a 1994(will share pictures) I got the bike a few days back and my local mechanic suggeste...	shikufra	3	1036	Nov 5, 2019 by shikufra
	Bottom end bearings (Preview) Hi there, I am in the process of repairing the bearings in my crank cases whilst it is apart. I have used the oven to remove all bearing and replaced most of them however there are two which I am not sure about. I have tried getting my head around codes but I'm making no progress. I have 2no. I am looking for....	dlee22	12	1546	Nov 5, 2019 by dlee22
	Graphic Installation Instructions (Preview) I found this instruction sheet whilst sorting out some graphics the other day and couldn't recall if I had ever posted it up before so, just in case I haven't. here it is!! If you, like me, struggle with installing the exhaust-side panel graphic then this might help. I can do all the others no problem bu...	TTRfan	2	1225	Oct 25, 2019 by TTRfan
	Rear Indicators (Preview) Hi all, I'm trying to fit rear indicators to my TTR, as they've been missing since I bought it. I'm missing the raiser brackets and also the rear lift handle (can't seem to find one anywhere ), so have lots of empty holes on the right hand side rear lol The 2 holes that seem to line up across the rear, one i...	Looey	3	1055	Oct 18, 2019 by TTRfan
	Carburetor TTR 250 1993 (Preview) Hello i hope someone can help and give me some informations. i want to help my friend in the Phillipines to repair his TTR250 from i think Model 1993 but nobody knows exactly. can anyone identify the year of the TTR. I need to find a repair kit for the Carburator but i only find a kit for 1999 to 2006 can i use t...	Ariel OHV	9	1730	Oct 17, 2019 by ttr steve
	Damaged accelerator pump nozzle (Preview) I was rebuilding my carb and attempted removing my accelerator pump nozzle thinking it was simply a screw in type jet... needless to say i was wrong. I attempted screwing it out, stripped it, proceeded to drill it out and remove with a screw extractor thinking i could just replace it... wrong again. It...	spunknik	2	1275	Oct 16, 2019 by TTRfan
	Front suspension jitter (Preview) Hi all I've been noticing some jitter from my handlebars when riding off-road. Front wheel bearing is fine. One of the shocks also has a bit of a squeak and both feel a bit soft. Is this jitter indicative of leaking seals? It has done 30k km at least so i wouldn't be surprised. -- Edited by JPVIC on Monda...	JPVIC	4	987	Oct 15, 2019 by ttboof
	change gears without a clutch (Preview) Google translator. I do not believe that there was no such question yet, but I do not find. Is it very dangerous in TTR to change gears without a clutch? There are 6 gears, close to each other as in motocross and that's where you usually ride and nothing breaks down. Best regards and thank you.	tom13	3	1078	Oct 12, 2019 by tom13
	Blue TTR250 Plastic headlamp surround repair (Preview) Got a knock yesterday and the left hand plastic lug that comes back and bolts to the headstock now has a length of around 2-3 cm missing in the middle. If I can get some plastic sheet it looks like I could glue this to the remains of the lug at the surround end. Anyone had any experience of repairing the plas...	vinnie	2	1004	Oct 8, 2019 by vinnie
	Airbox removal, required when changing rear shock top bearing (Preview) http://www.ttr250.com/Shock_bearing_fitting_guide.html	MarkJ	2	1533	Oct 7, 2019 by MarkJ
	Headlight lens (Preview) Own a 2007 TTR250 Aust build. Managed to smash the headlight lens the other day. Doesn't look like there is anything much on Ebay in relation to the OEM lens as a replacement. Can I still get them anywhere? If not will anything else fit? And for your entertainment.... [video=https://youtu.be/ya9Hd...	Base	8	1424	Oct 5, 2019 by jasparach
	Crank case instant gasket (Preview) Hi there, Doesn't seem to be a thread on this at the moment. Can anyone recommend a good instant gasket for use between the crankcases? I have generic gasket I have used on other parts of the engine well however I want to make sure this is as robust as possible to avoid future issues and a huge waste of tim...	dlee22	6	1027	Oct 3, 2019 by mossproof
	05 ttr250 intermittent miss. (Preview) Ok, this thing is not responding to my advances. Bike was left sitting for over a year, carby was the first focus of attention, needed ultrasonic cleaned etc and new diaphragm for the acc. Pump and other assorted o-rings, seals etc. Accelerator pump is squirting. Bear in mind I have tried another carb...	Stickerking	15	1436	Oct 3, 2019 by Stickerking
	Crank casing issue.... maybe (Preview) Hi there, I split my crankcases today and noticed a crack, I dknt think there is any issue really but I'm not 100% sure. Can I have your opinions please? I guess worst case I could get it tig welded or something?	dlee22	2	829	Sep 30, 2019 by mossproof
	Starter Motor Advice ?? (Preview) Hi, I’m hoping for a bit of advice ?? I’ve got a fairly low mileage 2004 TTR and until yesterday the starter motor has been faultless....and the yesterday, part way through a long day, it suddenly ‘spun‘ but didn’t engage, if that makes sense ?? I could hear the starter spinning but it’s not turning the e...	davepage	4	1019	Sep 30, 2019 by davepage
	Cracked tank (Preview) Anyone have any experience repairing a cracked tank? From what I can see, plastic welding would be the way to go, but it's important to exactly match the plastic compound to the tank to make it a long term solution. I've been trying to find a tank for my '99 but they're nowhere to be found.	NateGuy	2	773	Sep 30, 2019 by pug
	Oil from breather (Preview) Just bought a 2003, my first bike. I had no clue what to look for when checking it over. I took it out for an hour and dropped it at low speed a few times. Shut it off quickly, but it left some oil on the ground each time. Looking around, I saw a at the top of the cylinder head is a valve with a hose right next to it th...	MotoNoob_92	5	1925	Sep 29, 2019 by dlee22
	Clutch cover conundrum. (Preview) I fitted a new clutch to my TTR and replaced the Gunk that a previous owner has used with a proper Gasket. At the end of a long Distance Trial I discovered that the bike had dumped most of its oil. During remedial surgery I noticed that on both the clutch casing and the engine casing there is evidence of a ver...	colin4935	10	1499	Sep 23, 2019 by mossproof
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