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

colin13846 · colin13846

"Twin air" filter or "K & N" filter, are they much different and which is best?

hertsrider · hertsrider

Afternoon all, In the FAQ section there is the following advice... Uncorking the TTR250 Two freebie mods to start with: 1. Look under the tank at your throttle linkage and you will notice that Mr Yamaha installs a stop screw that limits you to less than full throttle. Adjust the screw to allow full trav...

JuJu · JuJu

Hi Guru's, After changing oil, plug (with new double stalk plug), adjusting ,mixture to the 2 turns, the TTR is still breaking down when the revs get up there. I'm getting a lot of soot out of the exhaust (1/2 of my Learner Plate is black!). I'm at 2 minds whether to attack the carby with a rebuild or tackle...

FrankiRBM · FrankiRBM

I have a 2008 which has been standing. I have cleaned the carb 5 times and am sure there is NO dirt left. Its completely stock with 4000km on the clock. Starts without the choke when cold which I think is a problem.. Then if I take it for a ride , it pulls hard and clean through the gears until I engage 6th , then...

MarkShelley · MarkShelley

Today I made a disappointing discovery. You may have seen my thread on a seized speedo drive. I have resolved that and have some 3-tab washers en route from Brian. I have now found that these will be of no use as the bits on the hub that should cause the washer to spin are not present, obviously broken off at...

oldmickyboy · oldmickyboy

hi all i'm new to the ttr250 having only done 200 miles on my new to me 2003 model, the problem is that when i'm riding and change gear theres sometimes a little chirrup or squeal, ive checked the cable which is lovely and smooth ive also checked the drive sprocket and chain and all appears fine. the bike ha...

JuJu · JuJu

Hi to the TTR clan! Well I'm the proud owner of a trusty 98 TTR Open Enduro.. Cost $1550 off the trading post (same publication that I found the wife.... but that is another story ) Since then I have had the forks resealed and oiled(on the bike, not the wife), the rear shock rebuilt (thanks to Hoey Racing in...

TTRfan · TTRfan

http://racetech.com/ProductSearch/1/Yamaha/TT-R250/2002

Logi · Logi

Mine's started leaking, can you buy it seperately? Does anyone have the Yamaha part number(my local Yam dealer leaves a lot to be desired)

nwrider · nwrider

i am looking at upgrading my stock 2006 exhaust with a lighter and maybe quieter fmf q4 exhaust. I live at 3500 ft above sea level and ride up to 6000ft. should i change my main and pilot jet? and to what? thanks

sammyttr · sammyttr

Hello, The bolt for the exhaust bracket between the header pipe and muffler is missing what size bolt is it or better has somebody got a picm of one. thanks Sam.

dan-reeves · dan-reeves

Hello today when riding home from work the bolt that holds the rear brake foot pedal snapped :( Has anyone had this problem before? what do you think i should do to fix this? The thread is stuck in the frame itself so i cant even see drilling it out and tapping it will work :/ Thanks for any help Dan

MarkShelley · MarkShelley

I removed the bent up bars fitted to my `new` bike and have begun to fit new Rental Dakar High bars (code 613) along with some second hand risers I picked up off ebay. I ordered the longer clutch and throttle cables from Brian and Trish over the weekend (hope the flu is on the way out Brian!) and they arrived...

davecambo · davecambo

just thought i would let you guys know that 13 front, 50 rear feels great. front wheel lifts with throttle in first and on second gear change. top speed is over 100km/h still (great in case i have to travel anywhere on pavement between tracks) more response down low without sacrificing too much up top. c...

MarkShelley · MarkShelley

Anybody know where they can be obtained without the bearings themselves? It is fronts I need.

BM Steve · BM Steve

On the way home the speedo started playing up, became erratic then stopped all together, stripped it down today, checked the speedo unit first with a cordless drill, worked perfectly, so cleaned the cable housing the cable and regreased the lot, next removed the wheel and removed the drive unit, pul...

davecambo · davecambo

would popping on deceleration indicate too lean an idle screw mixture? i come to this due to it being only when i close the throttle when engine braking, so jetting wouldnt be anything to do with it would it? havent noticed popping or backfiring under any other circumstance. the bike idels well, start...

sable · sable

Hi all ! I have to change left crankcase cover, but i can't find a new part with partnumber 4GY-15411-01-00 . I have found a lot suggestios of 4GY-15411-02-00 in the internet shops. So i have a question : are these parts interchangeable ? Thanks, Dmitriy

Matt G · Matt G

Hi, I have to shrink the TTR 250 workshop manual to 25MB or less so I can email it. Does anyone know how? Thank you.

pedrosan · pedrosan

I have taken the swingarm off to repair the scratches in it caused by a work out chain slider. Whilst its off, and since the bit I've repaired needs painting anyway, I thought I would paint the swingarm. To do this I have tried to take the suspension linkage off but can't get it to budge. I checked the f...

MarkShelley · MarkShelley

I have partially stripped down my `new` 2003 bike today to get an idea how it all goes together. While I was at it I cleaned all the electrical connectors and filled them with Dielectric grease to keep out moisture in the future. The spark plug recess had a lot of dry mud in it and it took a fir bit of fiddling...

sammyttr · sammyttr

My little townmate or T80 has alittle bit of an on going problem the poor old girl, The timing chain has been ratteling and so i changed the spring tensioner as it was old and it is abit quiter but still ratteling and when i was adjusting it was going from very tight then moved it abit more and it went quite sl...

davecambo · davecambo

These two combinations are almost identical, but even with a combination that IS identical, could there be some differences at high speed? For example, would the 14 front resuce revs at 100km/h or not. Aain, this is for a combination that is identical say around 4:1 Jusy trying to work out what...

shack · shack

Hi All, headlight on my Raid doesn't want to play, I've checked and changed bulb but still no joy, looking through the owners/ service manual etc can only locate 1 fuse (main) is this right? everything else works so am I answering my own question by thinking something like a dodgy connection? and have t...

hertsrider · hertsrider

Morning all, Bit of novice help required here if possible? The biting point on my clutch lever is a bit too far out and i want to adjust it...but i'm not sure how. There are quite a few little nuts and adjusters on the cable etc (longer cables fitted to my bike as bar risers are fitted too). Can anyone assist...

hertsrider · hertsrider

Morning all, I'm currently running with 14/44 sprockets on my Raid but when i bought it, it came with a Renthal 52 tooth sprocket and chain to go with it. What will i notice putting the 52 sprocket on? How will the bike differ? FYI - i only do 'lane' riding with a bit of road to link up the lanes...no commutin...

Lightweight · Lightweight

Having confusing problems with my '94 Raid. If I charge the battery up and put it on the bike the bike will start and run perfectly happily. However most times (but not every time) after about 1/2 hour the battery will be flat but the motor will still run as long as I don't stop it (then it must be bump starte...

davecambo · davecambo

Im after a gps. can anyone recommend a model that has roads, fire trails etc and the option to add maps downloaded? doesnt have to be colour but that would be nice, and im after the cheapest one that will have the above features to use when exploring new areas.

snailspacejase · snailspacejase

Has anyone out there in TTR land opened up a standard silencer? I'm interested to know what's in there, ie a cat. I quite fancy getting hold of a second hand one and taking the grinder/mig to it.

pedrosan · pedrosan

Hi chaps, I have got a leaky something on my engine, front right hand side possibly top of the crank case or similar. I've taken some photos, since them I have cleaned round it to try and identify where it seeps from in future, however I just wondered whether by looking at the pictures anyone could have a...

Topic		Started By	Replies	Views	Last Post
	Air filters (Preview) "Twin air" filter or "K & N" filter, are they much different and which is best?	colin13846	6	1268	Apr 7, 2012 by hertsrider
	"Uncorking" (Preview) Afternoon all, In the FAQ section there is the following advice... Uncorking the TTR250 Two freebie mods to start with: 1. Look under the tank at your throttle linkage and you will notice that Mr Yamaha installs a stop screw that limits you to less than full throttle. Adjust the screw to allow full trav...	hertsrider	3	2804	Apr 5, 2012 by TTRfan
	Breaking down at high revs (Preview) Hi Guru's, After changing oil, plug (with new double stalk plug), adjusting ,mixture to the 2 turns, the TTR is still breaking down when the revs get up there. I'm getting a lot of soot out of the exhaust (1/2 of my Learner Plate is black!). I'm at 2 minds whether to attack the carby with a rebuild or tackle...	JuJu	3	1245	Apr 3, 2012 by JuJu
	Carburetor problem.... I think (Preview) I have a 2008 which has been standing. I have cleaned the carb 5 times and am sure there is NO dirt left. Its completely stock with 4000km on the clock. Starts without the choke when cold which I think is a problem.. Then if I take it for a ride , it pulls hard and clean through the gears until I engage 6th , then...	FrankiRBM	4	2102	Apr 3, 2012 by FrankiRBM
	This one has me stumped (Preview) Today I made a disappointing discovery. You may have seen my thread on a seized speedo drive. I have resolved that and have some 3-tab washers en route from Brian. I have now found that these will be of no use as the bits on the hub that should cause the washer to spin are not present, obviously broken off at...	MarkShelley	9	1402	Apr 3, 2012 by MarkShelley
	strange noise (Preview) hi all i'm new to the ttr250 having only done 200 miles on my new to me 2003 model, the problem is that when i'm riding and change gear theres sometimes a little chirrup or squeal, ive checked the cable which is lovely and smooth ive also checked the drive sprocket and chain and all appears fine. the bike ha...	oldmickyboy	3	1155	Apr 3, 2012 by pedrosan
	Well where do I Start??? (Preview) Hi to the TTR clan! Well I'm the proud owner of a trusty 98 TTR Open Enduro.. Cost $1550 off the trading post (same publication that I found the wife.... but that is another story ) Since then I have had the forks resealed and oiled(on the bike, not the wife), the rear shock rebuilt (thanks to Hoey Racing in...	JuJu	3	1435	Apr 2, 2012 by JuJu
	Forks and shock parts and repairs (Preview) http://racetech.com/ProductSearch/1/Yamaha/TT-R250/2002	TTRfan	0	649	Apr 1, 2012 by TTRfan
	Rocker Cover Gasket? (Preview) Mine's started leaking, can you buy it seperately? Does anyone have the Yamaha part number(my local Yam dealer leaves a lot to be desired)	Logi	6	1562	Mar 31, 2012 by Logi
	New exhaust what jets to use/ (Preview) i am looking at upgrading my stock 2006 exhaust with a lighter and maybe quieter fmf q4 exhaust. I live at 3500 ft above sea level and ride up to 6000ft. should i change my main and pilot jet? and to what? thanks	nwrider	4	818	Mar 29, 2012 by nwrider
	Exhaust bracket bolt (Preview) Hello, The bolt for the exhaust bracket between the header pipe and muffler is missing what size bolt is it or better has somebody got a picm of one. thanks Sam.	sammyttr	4	999	Mar 27, 2012 by Cubber
	rear brake foot lever (Preview) Hello today when riding home from work the bolt that holds the rear brake foot pedal snapped :( Has anyone had this problem before? what do you think i should do to fix this? The thread is stuck in the frame itself so i cant even see drilling it out and tapping it will work :/ Thanks for any help Dan	dan-reeves	8	1116	Mar 23, 2012 by BM Steve
	Fitting Dakar High bars (Preview) I removed the bent up bars fitted to my `new` bike and have begun to fit new Rental Dakar High bars (code 613) along with some second hand risers I picked up off ebay. I ordered the longer clutch and throttle cables from Brian and Trish over the weekend (hope the flu is on the way out Brian!) and they arrived...	MarkShelley	6	1520	Mar 23, 2012 by pedrosan
	13 front, 50 rear feels great. (Preview) just thought i would let you guys know that 13 front, 50 rear feels great. front wheel lifts with throttle in first and on second gear change. top speed is over 100km/h still (great in case i have to travel anywhere on pavement between tracks) more response down low without sacrificing too much up top. c...	davecambo	11	1529	Mar 23, 2012 by TTRNZ
	Wheel bearing seals (Preview) Anybody know where they can be obtained without the bearings themselves? It is fronts I need.	MarkShelley	1	866	Mar 22, 2012 by TTRfan
	Speedo Died on the W/end (Preview) On the way home the speedo started playing up, became erratic then stopped all together, stripped it down today, checked the speedo unit first with a cordless drill, worked perfectly, so cleaned the cable housing the cable and regreased the lot, next removed the wheel and removed the drive unit, pul...	BM Steve	7	977	Mar 22, 2012 by MarkShelley
	popping on decelleration (Preview) would popping on deceleration indicate too lean an idle screw mixture? i come to this due to it being only when i close the throttle when engine braking, so jetting wouldnt be anything to do with it would it? havent noticed popping or backfiring under any other circumstance. the bike idels well, start...	davecambo	11	2031	Mar 21, 2012 by BM Steve
	Crankcase covers (Preview) Hi all ! I have to change left crankcase cover, but i can't find a new part with partnumber 4GY-15411-01-00 . I have found a lot suggestios of 4GY-15411-02-00 in the internet shops. So i have a question : are these parts interchangeable ? Thanks, Dmitriy	sable	6	1079	Mar 21, 2012 by sable
	Ho do I make a 29MB PDF smaller? (Preview) Hi, I have to shrink the TTR 250 workshop manual to 25MB or less so I can email it. Does anyone know how? Thank you.	Matt G	7	1261	Mar 21, 2012 by Matt G
	Swingarm disassembly (Preview) I have taken the swingarm off to repair the scratches in it caused by a work out chain slider. Whilst its off, and since the bit I've repaired needs painting anyway, I thought I would paint the swingarm. To do this I have tried to take the suspension linkage off but can't get it to budge. I checked the f...	pedrosan	2	1296	Mar 21, 2012 by pedrosan
	Mud in spark plug recess (Preview) I have partially stripped down my `new` 2003 bike today to get an idea how it all goes together. While I was at it I cleaned all the electrical connectors and filled them with Dielectric grease to keep out moisture in the future. The spark plug recess had a lot of dry mud in it and it took a fir bit of fiddling...	MarkShelley	4	1410	Mar 17, 2012 by Cubber
	This is abit off topic (Preview) My little townmate or T80 has alittle bit of an on going problem the poor old girl, The timing chain has been ratteling and so i changed the spring tensioner as it was old and it is abit quiter but still ratteling and when i was adjusting it was going from very tight then moved it abit more and it went quite sl...	sammyttr	8	1579	Mar 13, 2012 by MarkShelley
	13/48 vs 14/52 (Preview) These two combinations are almost identical, but even with a combination that IS identical, could there be some differences at high speed? For example, would the 14 front resuce revs at 100km/h or not. Aain, this is for a combination that is identical say around 4:1 Jusy trying to work out what...	davecambo	5	1792	Mar 13, 2012 by rattlyolddt
	Quick headlight/ fuse question (Preview) Hi All, headlight on my Raid doesn't want to play, I've checked and changed bulb but still no joy, looking through the owners/ service manual etc can only locate 1 fuse (main) is this right? everything else works so am I answering my own question by thinking something like a dodgy connection? and have t...	shack	2	1231	Mar 11, 2012 by shack
	Biting point (Preview) Morning all, Bit of novice help required here if possible? The biting point on my clutch lever is a bit too far out and i want to adjust it...but i'm not sure how. There are quite a few little nuts and adjusters on the cable etc (longer cables fitted to my bike as bar risers are fitted too). Can anyone assist...	hertsrider	2	859	Mar 7, 2012 by hertsrider
	Sprocket changes - effects? (Preview) Morning all, I'm currently running with 14/44 sprockets on my Raid but when i bought it, it came with a Renthal 52 tooth sprocket and chain to go with it. What will i notice putting the 52 sprocket on? How will the bike differ? FYI - i only do 'lane' riding with a bit of road to link up the lanes...no commutin...	hertsrider	2	888	Mar 6, 2012 by davecambo
	Elastrickery problem. (Preview) Having confusing problems with my '94 Raid. If I charge the battery up and put it on the bike the bike will start and run perfectly happily. However most times (but not every time) after about 1/2 hour the battery will be flat but the motor will still run as long as I don't stop it (then it must be bump starte...	Lightweight	2	1064	Mar 5, 2012 by BM Steve
	which GPS to buy (Preview) Im after a gps. can anyone recommend a model that has roads, fire trails etc and the option to add maps downloaded? doesnt have to be colour but that would be nice, and im after the cheapest one that will have the above features to use when exploring new areas.	davecambo	1	872	Mar 5, 2012 by BM Steve
	Modifying a standard exhaust. (Preview) Has anyone out there in TTR land opened up a standard silencer? I'm interested to know what's in there, ie a cat. I quite fancy getting hold of a second hand one and taking the grinder/mig to it.	snailspacejase	4	1249	Mar 5, 2012 by TTRfan
	Oil Leak around the front right hand side of the engine (Preview) Hi chaps, I have got a leaky something on my engine, front right hand side possibly top of the crank case or similar. I've taken some photos, since them I have cleaned round it to try and identify where it seeps from in future, however I just wondered whether by looking at the pictures anyone could have a...	pedrosan	8	3389	Mar 5, 2012 by pedrosan
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