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

mossproof · mossproof

Does anybody know if a Raid loom has heavier gauge wire to the headlight than an OE? I believe the Raid bulb is 55/60W, is this correct? Also, what power are the Aus spec headlights with those big glass lenses?

J2TJD · J2TJD

I have a UK registered 2004 TTR250 which I want to re-register (Matriculate) in Portugal, as I live there for half of the year, and the trail riding there is superb. In order to do this, I need to have a Certificate of Confirmity for the EU, which is something that is issued when the bike is new. I bought the...

Jim Clark · Jim Clark

Can anyone help engine keeps stalling when engaging 1st gear the problem appears to be electrical any ideas.

AndreL · AndreL

I have read a thread or two on VIN numbers on here and elsewhere on the Net, but not sure what to make of my VIN number. According to everything i have seen the 10th digit is the year of manufacture and until 2000 it was represented by a letter - in this case apparantly "Y". From 2001 and up the year is represen...

Martinm · Martinm

I have an oil leak I cant seem to get rid of I've got a new generator gasket first fitted it dry and it sprung a leak I have since took it off and put gasket sealer both sides if the gasket now it's coming out through the wires that go to the generator. Have you guys got any suggestions to cure this oil leak once...

T Mozza · T Mozza

Hi everyone, new to TTRs and this forum. I was doing some reading on the infamous sprag clutch issues common to TTRs. I've noticed mine makes a clunk when stopping and just wanted a second opinion from someone other owners about whether this sound is normal (just the engine coming to a stop) or somethin...

Kaos · Kaos

I just got through washing TEN air filters . I always find it a PITA do do so put it off and wash as many at once I can. P.S. only two for were for the TTR. How does everyone else dry theirs, I usually string them up on a coat hangar and use a fan or hairdryer if I'm in a hurry. Its that hot today they should dri...

David Andrews · David Andrews

I have recently bought a 2005 TT250R . It has nobblies on front (80/100/21) & rear (140/80/18). I am looking for better road use tyres. Can anyone recommend a suitable pair of tyres & advise if sizes need to stay the same or is there any known room for wider road profile tyre?

purdoy25 · purdoy25

Hello I have a problem. My bike will crank but won't start. I have checked the fuel lines and the carb is properly tuned. It was running good the other day, I went out during the night (in the city) but after a few minutes of riding my headlight died so I was forced to turn back. When I tried to start the bike to...

Lurkville · Lurkville

Hey Guys, So I pulled the top end on my TTR250 to service the head gaskets, valve guide seals, and lapped the valve ax I did not remove the e-s before removing the top end, and removed everything including timing at tDC. However I did accidentally the stator clockwise a coulle turns which resulted in a s...

TTRfan · TTRfan

The photos are actually from de-rusting my BSA C15 tank which, to be fair, is nearly 60 years old but the same technique can be applied to an OE or Raid metal tank that might have been left standing empty of fuel for a few years. The media I used is quite chunky and used in vibrating tumblers and is called, if...

heffh084 · heffh084

Happy new year to all you fellow TTR fans and guru's. I have recently started to run in my girlfriend's 325 engine after a a full rebuild and winter upgrade and have noticed a new clutch fault. I've had a search on the forum but my search terms didn't come up with anything that resembles the same behaviour...

spadey99 · spadey99

Hi guys after a new speedo cable and caant get one on flea bay, where do you suggest? Are there any other bikes the same from that era?? Steve

Rui Matos Braz · Rui Matos Braz

It had to come my turn ... I need your help! My TTR Raid 1997 does not work, nor does it appear on the screen. I squeeze the key and nothing ... no lights, no winks ... nothing! What happened !? There was a lot of mud and I did a deep wash, I removed the cdi, I isolated the chips and I washed the bike! after the wash...

z1g · z1g

Got my heat/temp gun in today Here is how hot the pipe gets idling for 5 minutes (timed) Couple of pics of where i am aiming the gun (see attached) black image is about 30-1min after i switched bike off, slight glow. Can not be seen in pic TEMPS In Celsius Header pipe 2 min = 128.8 3 min = 191.0 4 min = 215.3 5 min...

tom13 · tom13

Google translator Good day. My TTR I bought without an electric starter. The previous owner dismantled but I do not know what has remained in the engine. Now when I turn off the engine, for a few seconds I hear a noise like something else is spinning inside. Is it dangerous? Thank you. Greetings from th...

dlee22 · dlee22

I want to remove my oil cooler to fit a short down pipe, does anyone know what I need? Am I right in thinking that I just need to plug the two feed/returns and remove a bolt the diverts flows to the cooler? Thanks !

Ross · Ross

Hi All I have a 2004 blue ttr with 10000 miles on the clock I only use it for green lanes Just recently it has started smoking on start up actually usually a few seconds after it has started which continues for a minute or so then clears it doesn't appear to use any oil when running. It used to do this occasion...

Lol · Lol

Hi guys I’ve got a 1995 ttr250.Was looking to upgrade the rear shock. Dose anyone know if there is a upgrade rear shock?? thank u Laurence

0d8461 · 0d8461

I just bought a 2019 YZ 250FX to replace my 2003 TTR250 for trail riding. I also purchased a new spoke torque wrench. After torquing the YZ I pulled out the TTR but the wrench sizes with the kit where too large. I went into my toolbox and to my surprise could not find my TTR spoke wrench. I searched the e...

micccki · micccki

Hi All, i have just replaced the piston rings, done valve clearances to 0.010 " exhaust and 0.007" on inlet. Also replaced sprag clutch. On trying bike out, there is a huge rattle from the engine on over run. About 5 or 6 sprags were out of ther race on arrival, which i have replaced. On talking with st...

Martinm · Martinm

Hi all I am just checking my carb before putting it I'm my bike and I understand by reading other post that when you open the throttle it should spray petrol out, but mine is not doing this have any of you guys come across this before if so is it an easy fix? I have checked the diafram that's still in one piece...

Shanemhi · Shanemhi

hi guys, Just getting my 93 OE ready for MOT and my polisport headlight flickers and goes out under revs but is fine at idle, can't find any dubious wires so just thought I'd ask just in case someone had encountered this problem?? Cheers in advance Shane

Lurkville · Lurkville

Hey crew, new to the forum. I own a 2001 TTR for my girlfriend to kick around. Just starting to tear down the motor, and found that the smaller plug (flathead) on the crankcase cover is completely seized. Tried a flathead amongst other things and can’t get it to budge. i can’t belive they used a flathead d...

Brighton Brad · Brighton Brad

Hi guys, which direction should the starter motor spin. I have removed the generator cover and can se the splines of the starter motor. I'm doing the Sprag clutch and have replaced the starter motor brushes also, there was lots of whirring with everything togethe, but a lack of starting, cheers all, B...

TTRfan · TTRfan

An excellent article I just read on Adventure Rider - see here There is an excellent explanation of the different types of Loctite available. I had no clue that the green "wicking" solution existed let alone how cleverly it works! Brian

Stephen68 · Stephen68

Guys, i have an 03 TTR 250 that is missing the the exhaust header flange bolts.....I looked on the schematics but cant find a part number for them. Can someone tell me what they are please?

Stephen68 · Stephen68

Guys, i just replaced my timing chain, piston, valve seals and rings. After putting everything back together and attempting to start it all it would do is crank with an occasional small pop back through the air filter. After ensuring that my flywheel was TDC on the single up and down line i removed the c...

een705 · een705

I am waiting for a multi meter to arrive soon but this is my problem there is no display at the moment. I can take the headlight cowl off and pull the connection that connects to the speedo and plug it back in and it works but when I put the headlight cover back on and turn the ignition off and back on and it will...

650Katman · 650Katman

I have a strange problem. My OE digital speedo appears to have reset the km's. Not the trip km's but the main reading. Or am I being a bit thick and not pressing correct buttons or need to press one. I have read through and tried red and blue combinations to no avail. My speedo now says 50km's

Topic		Started By	Replies	Views	Last Post
	Headlight questions (Preview) Does anybody know if a Raid loom has heavier gauge wire to the headlight than an OE? I believe the Raid bulb is 55/60W, is this correct? Also, what power are the Aus spec headlights with those big glass lenses?	mossproof	31	3171	Feb 10, 2019 by micccki
	Certificate of Conformity for EU (Preview) I have a UK registered 2004 TTR250 which I want to re-register (Matriculate) in Portugal, as I live there for half of the year, and the trail riding there is superb. In order to do this, I need to have a Certificate of Confirmity for the EU, which is something that is issued when the bike is new. I bought the...	J2TJD	3	1144	Jan 28, 2019 by J2TJD
	TTR 250 Electrical Problem (i think) (Preview) Can anyone help engine keeps stalling when engaging 1st gear the problem appears to be electrical any ideas.	Jim Clark	21	1132	Jan 25, 2019 by mossproof
	What have i bought? (Preview) I have read a thread or two on VIN numbers on here and elsewhere on the Net, but not sure what to make of my VIN number. According to everything i have seen the 10th digit is the year of manufacture and until 2000 it was represented by a letter - in this case apparantly "Y". From 2001 and up the year is represen...	AndreL	2	1121	Jan 20, 2019 by AndreL
	Generator oil leak (Preview) I have an oil leak I cant seem to get rid of I've got a new generator gasket first fitted it dry and it sprung a leak I have since took it off and put gasket sealer both sides if the gasket now it's coming out through the wires that go to the generator. Have you guys got any suggestions to cure this oil leak once...	Martinm	16	1380	Jan 19, 2019 by JOHNYBOY
	Is this sound my Sprag clutch failing or is it normal? (New TTR owner) (Preview) Hi everyone, new to TTRs and this forum. I was doing some reading on the infamous sprag clutch issues common to TTRs. I've noticed mine makes a clunk when stopping and just wanted a second opinion from someone other owners about whether this sound is normal (just the engine coming to a stop) or somethin...	T Mozza	4	936	Jan 19, 2019 by ttboof
	Air Filter Funnel Web Filters. (Preview) I just got through washing TEN air filters . I always find it a PITA do do so put it off and wash as many at once I can. P.S. only two for were for the TTR. How does everyone else dry theirs, I usually string them up on a coat hangar and use a fan or hairdryer if I'm in a hurry. Its that hot today they should dri...	Kaos	1	1166	Jan 17, 2019 by TerryK
	Road tyre choice & sizes (Preview) I have recently bought a 2005 TT250R . It has nobblies on front (80/100/21) & rear (140/80/18). I am looking for better road use tyres. Can anyone recommend a suitable pair of tyres & advise if sizes need to stay the same or is there any known room for wider road profile tyre?	David Andrews	7	2833	Jan 16, 2019 by petenz
	Bike cranking but won't start (Preview) Hello I have a problem. My bike will crank but won't start. I have checked the fuel lines and the carb is properly tuned. It was running good the other day, I went out during the night (in the city) but after a few minutes of riding my headlight died so I was forced to turn back. When I tried to start the bike to...	purdoy25	7	974	Jan 15, 2019 by purdoy25
	Electric Starter screeching noise after top end service (Preview) Hey Guys, So I pulled the top end on my TTR250 to service the head gaskets, valve guide seals, and lapped the valve ax I did not remove the e-s before removing the top end, and removed everything including timing at tDC. However I did accidentally the stator clockwise a coulle turns which resulted in a s...	Lurkville	9	1092	Jan 14, 2019 by mossproof
	Is your OE tank rusty on the inside? (Preview) The photos are actually from de-rusting my BSA C15 tank which, to be fair, is nearly 60 years old but the same technique can be applied to an OE or Raid metal tank that might have been left standing empty of fuel for a few years. The media I used is quite chunky and used in vibrating tumblers and is called, if...	TTRfan	2	1005	Jan 10, 2019 by TTRfan
	Violent clutch engagement in 1st gear (Preview) Happy new year to all you fellow TTR fans and guru's. I have recently started to run in my girlfriend's 325 engine after a a full rebuild and winter upgrade and have noticed a new clutch fault. I've had a search on the forum but my search terms didn't come up with anything that resembles the same behaviour...	heffh084	12	1529	Jan 9, 2019 by petenz
	speedo cable, where to get new one 04 TTR??? (Preview) Hi guys after a new speedo cable and caant get one on flea bay, where do you suggest? Are there any other bikes the same from that era?? Steve	spadey99	10	2399	Jan 6, 2019 by chrishughes1989
	Nothing works ... Help please! (Preview) It had to come my turn ... I need your help! My TTR Raid 1997 does not work, nor does it appear on the screen. I squeeze the key and nothing ... no lights, no winks ... nothing! What happened !? There was a lot of mud and I did a deep wash, I removed the cdi, I isolated the chips and I washed the bike! after the wash...	Rui Matos Braz	3	1211	Jan 3, 2019 by Rui Matos Braz
	how hot is your pipe. (Preview) Got my heat/temp gun in today Here is how hot the pipe gets idling for 5 minutes (timed) Couple of pics of where i am aiming the gun (see attached) black image is about 30-1min after i switched bike off, slight glow. Can not be seen in pic TEMPS In Celsius Header pipe 2 min = 128.8 3 min = 191.0 4 min = 215.3 5 min...	z1g	10	1354	Dec 31, 2018 by z1g
	Noise after the engine is turned off (Preview) Google translator Good day. My TTR I bought without an electric starter. The previous owner dismantled but I do not know what has remained in the engine. Now when I turn off the engine, for a few seconds I hear a noise like something else is spinning inside. Is it dangerous? Thank you. Greetings from th...	tom13	2	1185	Dec 29, 2018 by tom13
	Removing oil cooler (Preview) I want to remove my oil cooler to fit a short down pipe, does anyone know what I need? Am I right in thinking that I just need to plug the two feed/returns and remove a bolt the diverts flows to the cooler? Thanks !	dlee22	2	1067	Dec 22, 2018 by petenz
	BLUE SMOKE ON START UP (Preview) Hi All I have a 2004 blue ttr with 10000 miles on the clock I only use it for green lanes Just recently it has started smoking on start up actually usually a few seconds after it has started which continues for a minute or so then clears it doesn't appear to use any oil when running. It used to do this occasion...	Ross	10	836	Dec 7, 2018 by petenz
	Rear suspension upgrade? (Preview) Hi guys I’ve got a 1995 ttr250.Was looking to upgrade the rear shock. Dose anyone know if there is a upgrade rear shock?? thank u Laurence	Lol	9	4045	Nov 28, 2018 by ttboof
	Spoke wrench size for 2003 TTR 250 (Preview) I just bought a 2019 YZ 250FX to replace my 2003 TTR250 for trail riding. I also purchased a new spoke torque wrench. After torquing the YZ I pulled out the TTR but the wrench sizes with the kit where too large. I went into my toolbox and to my surprise could not find my TTR spoke wrench. I searched the e...	0d8461	2	1200	Nov 28, 2018 by TTRfan
	engine noise. (Preview) Hi All, i have just replaced the piston rings, done valve clearances to 0.010 " exhaust and 0.007" on inlet. Also replaced sprag clutch. On trying bike out, there is a huge rattle from the engine on over run. About 5 or 6 sprags were out of ther race on arrival, which i have replaced. On talking with st...	micccki	5	1399	Nov 24, 2018 by micccki
	Carb repair (Preview) Hi all I am just checking my carb before putting it I'm my bike and I understand by reading other post that when you open the throttle it should spray petrol out, but mine is not doing this have any of you guys come across this before if so is it an easy fix? I have checked the diafram that's still in one piece...	Martinm	9	1909	Nov 24, 2018 by Martinm
	Headlight goes out under revs but not at idle! (Preview) hi guys, Just getting my 93 OE ready for MOT and my polisport headlight flickers and goes out under revs but is fine at idle, can't find any dubious wires so just thought I'd ask just in case someone had encountered this problem?? Cheers in advance Shane	Shanemhi	4	1014	Nov 20, 2018 by ttboof
	Crankcase plug is seized (flathead) (Preview) Hey crew, new to the forum. I own a 2001 TTR for my girlfriend to kick around. Just starting to tear down the motor, and found that the smaller plug (flathead) on the crankcase cover is completely seized. Tried a flathead amongst other things and can’t get it to budge. i can’t belive they used a flathead d...	Lurkville	13	1092	Nov 11, 2018 by TTRfan
	Starter motor direction?? (Preview) Hi guys, which direction should the starter motor spin. I have removed the generator cover and can se the splines of the starter motor. I'm doing the Sprag clutch and have replaced the starter motor brushes also, there was lots of whirring with everything togethe, but a lack of starting, cheers all, B...	Brighton Brad	4	1329	Nov 8, 2018 by TTRfan
	Preventive Bike Maintenance: The Fastener Algorithm (Preview) An excellent article I just read on Adventure Rider - see here There is an excellent explanation of the different types of Loctite available. I had no clue that the green "wicking" solution existed let alone how cleverly it works! Brian	TTRfan	0	1108	Nov 8, 2018 by TTRfan
	Technical Question lol - exhaust header flange bolts (Preview) Guys, i have an 03 TTR 250 that is missing the the exhaust header flange bolts.....I looked on the schematics but cant find a part number for them. Can someone tell me what they are please?	Stephen68	2	5330	Nov 7, 2018 by heffh084
	Does something look wrong? ....Pictures Included! (Preview) Guys, i just replaced my timing chain, piston, valve seals and rings. After putting everything back together and attempting to start it all it would do is crank with an occasional small pop back through the air filter. After ensuring that my flywheel was TDC on the single up and down line i removed the c...	Stephen68	3	1065	Nov 4, 2018 by ttboof
	Digital Speedo TTR OE (Preview) I am waiting for a multi meter to arrive soon but this is my problem there is no display at the moment. I can take the headlight cowl off and pull the connection that connects to the speedo and plug it back in and it works but when I put the headlight cover back on and turn the ignition off and back on and it will...	een705	10	1783	Nov 3, 2018 by een705
	Speedo Reset (Preview) I have a strange problem. My OE digital speedo appears to have reset the km's. Not the trip km's but the main reading. Or am I being a bit thick and not pressing correct buttons or need to press one. I have read through and tried red and blue combinations to no avail. My speedo now says 50km's	650Katman	1	857	Oct 27, 2018 by TTRfan
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