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

tom13 · tom13

Hey. What should be the fuel level in the Y30P carburetor chamber and how easy is it to measure?

rdchair · rdchair

Mrs H has said she would like to join me along a couple of smooth trails. I was given the rear pegs but don't know what I need to mount them? Are they bolted on only are do they have friction washers, springs of any sort. Workshop manual shows nothing. Anyone have parts manual pics ? Cheers Dom

MotoNoob_92 · MotoNoob_92

Mine is a 2003 blue model with the plastic tank. Whenever I am pushing it or at lower speeds I can hear slight rubbing on both the front and rear brakes. I recently replaced the tires and forced the calipers back, but after pulling the brakes a few times to repressurize it continued. I read that this may be...

rdchair · rdchair

Hi all, as is the norm as soon as I bought my bike 2weeks ago, I bought loads of stuff, one being a new headlight. The previous owner had broken the lens but not the cowl. He has fitted an aftermarket unit. I spotted a brand new light on ebay and bought it for £70 When it arrived it is too big. Looking at anoth...

Elijah Bronson · Elijah Bronson

Hi there, I'm new to the forum but its been a valuable resource for me since I got my 2002 TTR250 a couple weeks ago. I bought it non-running for $250, but its in good condition and seemed to be a simple job. I expected stator or CDI. I got it home and was doing all the necessary voltage and resistance reading...

Big G · Big G

Since I bought my Blue TTR a couple of months ago I've given it a few outings, come off it a few times, had a fair bit of fun and have now carried what I feel are the necessary repairs and maintenance/mods to make it a really reliable and useable tool with a bit more oomph than it used to have. I decided not to me...

Nomada_Firefox · Nomada_Firefox

I am curious about if this oil is good or not.

oshanrube · oshanrube

My CDI unit is making a whining noise and i recently replaced the ignition coil and still no spark. i'm thinking my CDI have gone bad, and a new unit till cost around 270USD here, so i was wondering if there's any alternative new tech, something like a bosch ignition to replace the CDI? any ideas?

Big G · Big G

I've just pulled the forks apart on my bluey and changed the oil then pumped some air into the schrader valve (2.5psi) and they feel 100% better but where's the damping clicker adjuster that's mentioned in the manual? My bike only has the top fork tube nut and the air valve in the middle of that (see pic) T...

Rydasc6102 · Rydasc6102

hi everyone, I have another question. i just got my ttr250 road legal and have been riding it aroun. I feel like I am shifting up and down way more than I do on trails. Is too much shifting bad for the transmission? Also at red lights should I turn the bike off or will it get to hot from not moving?

anitabonghit · anitabonghit

Hi, i need help with my 1996 ttr oe. i originally wanted to install led indicators so i did and replaced the relay as well. the indicators were crap and i just bought some tungsten ones but when i replaced the relay i pulled the pins from the plug on the adapter to the old relay and now i don't know the origina...

TTRfan · TTRfan

I am curently restoring the pretty metallic blue tanked version of the 4RR2 model Open Enduro and had a problem tracing a headlight fault. I was surprised to find a relay under the tank which I hadn't come across before. Looking at the parts manual, this relay was only fitted to the 4RR2 and 4WA1 (Raid) m...

Paul M · Paul M

I have a 2000 TTR250 that I just bought. Started fine several times before I bought it. Got it home an hour later and it wouldnt start. Really sluggish like battery dying. Had new battery installed. Worked fine rest of day and started once this morning and wouldnt start 15 minutes later. Same problem....

Rydasc6102 · Rydasc6102

hi everyone, A couple months ago I was changing the spark plug on the bike and decided to do a compression test only to find that The gauge read only 60 PSI. I'm pretty sure it should be way higher than that. The bike still runs extremely strong and it doesn't feel like there's any power loss could this jus...

TTR2501966 · TTR2501966

Hi all,I have a problem with the charging system on my newly acquired TTR250 1995.Symptoms are battery drain of 0.2V/hour, so it’s flat the next day. Also no charging when I rev the bike quite high(I don’t have an inductive tachometer) – the voltage across the battery stays at its initial charge of ap...

commandermullet · commandermullet

Hello everyone, I have just about wrapped up overhauling my engine. My final inner engine task is the clutch plates I have just now installed. Here's my issue- The last time I played with one of these clutches a few years ago, I busted my spare. I put an improper torque wrench to the clutch spring screws...

charlesrobertson · charlesrobertson

Just wondering if theres a good how-to for installing front brake pads I used this - http://www.ttr250.com/TTR_rear_discpads.htm for the rear ones and it was very easy but not sure how to do the front ones

rdchair · rdchair

Hi the speedo stopped working so today had a look. . Spin cable at bottom and speedo needle moves . put a match in bottom pic up and it spun intermittently ie a couple of sparodic turns every turn of the wheel . Stripped and cleaned pic up and found the problem . The 3 tang washer had lost its flat sides ( see pi...

asap88 · asap88

So I just replaced the piston rings and cam chain on one of my TTR's that had a little rattle in the (so I thought) top end. At the time there was little to no play in the big end so was left as it was. Few rides later and the noise that never left was back and at the first oil change the (after 2 hours ridding) the...

threshold · threshold

How do people clean their spokes? Want to know as it is the part of ttr I don't know how to clean. And keeping it clean seems to be the main part of maitenence because it is a trouble free bike!

wobbly · wobbly

Seem to have developed a starting problem on the ttr, where I put the choke and fuel on crank the engine, it starts straight away but the dies. I can do this 4/5 times and eventually I can get it to keep going but before this it used to start on the button. When its warm/hot there,s no problem I can start it eas...

TTRfan · TTRfan

Don't you just love eBay!!! £140 worth of crankshaft main bearings plus a transmission bearing for £45 posted

rdchair · rdchair

Hi I have just bought a DID gold O ring chain for£10 on ebay, but has no soft link. I have never used a soft link and would I need special tools. Can I use a split link with O rings? cheers Dom -- Edited by rdchair on Thursday 21st of December 2017 09:41:26 AM

TerryK · TerryK

As the subject suggests, I replaced the chain & sprockets, nice gold DID 520 chain with 13T & 44T sprockets, am I the only one that loves the feel of new chain & sprockets ? 16500 kms on the OEM units, not bad for a dirt bike & I could have reused the rear sprocket. Spending more time on the W...

shad · shad

https://www.dsmra.asn.au/dsmra/riding-tips/tech-tips/73-carriying-gear

TTRfan · TTRfan

I visited the Yeovilton Fleet Air Arm Museum yesterday in the company of TTR Steve and other similar but greyer old reprobates I have had discussions in the past about how thin you can go on cylinder sleeves before they would go "wavy" or otherwise distort in use. There were quite a few sectioned aero e...

Kelkidd001 · Kelkidd001

Hello this is my first time posting to this form I have a 99 TTR 250 and the battery is fully charged I have a brand new spark plug and I'm turning the engine over with the electric start and I can see a spark initially but does not spark after that, every time I hit the starter, could anybody tell me what that c...

mossproof · mossproof

https://www.ebay.co.uk/itm/Yamaha-TTR250-99-06-RFX-Race-Series-Lower-Swingarm-Shock-Bearing-Kit/401291255310?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649

TTRfan · TTRfan

I picked up a rebored barrel for Steve this morning (first oversize so no double boring charge as was the case with the 280 kit I had done back along) and the price had jumped over an 18 month period from £46 to £54. Don't get me wrong, the finished honed bore looks spot on but I am just wondering what other ow...

Lumbricus · Lumbricus

I need a new throttle cable as I have noticed the lower of the two cables is starting to break apart near the carburettor end. I bought my TTR second hand and so don't know whether I need a standard or extra long cable. The bars are Renthal 966 but I don't know whether any bar risers have been fitted. What's t...

Topic		Started By	Replies	Views	Last Post
	fuel level (Preview) Hey. What should be the fuel level in the Y30P carburetor chamber and how easy is it to measure?	tom13	2	669	Feb 14, 2018 by tom13
	Rear footrest help (Preview) Mrs H has said she would like to join me along a couple of smooth trails. I was given the rear pegs but don't know what I need to mount them? Are they bolted on only are do they have friction washers, springs of any sort. Workshop manual shows nothing. Anyone have parts manual pics ? Cheers Dom	rdchair	5	527	Feb 12, 2018 by ttr steve
	Brake Rub - is it normal? (Preview) Mine is a 2003 blue model with the plastic tank. Whenever I am pushing it or at lower speeds I can hear slight rubbing on both the front and rear brakes. I recently replaced the tires and forced the calipers back, but after pulling the brakes a few times to repressurize it continued. I read that this may be...	MotoNoob_92	6	760	Feb 6, 2018 by mossproof
	new genuine headlight does not fit , sale,swop (Preview) Hi all, as is the norm as soon as I bought my bike 2weeks ago, I bought loads of stuff, one being a new headlight. The previous owner had broken the lens but not the cowl. He has fitted an aftermarket unit. I spotted a brand new light on ebay and bought it for £70 When it arrived it is too big. Looking at anoth...	rdchair	14	837	Feb 5, 2018 by Sponger
	No spark - Bad CDI or pickup coil? (Preview) Hi there, I'm new to the forum but its been a valuable resource for me since I got my 2002 TTR250 a couple weeks ago. I bought it non-running for $250, but its in good condition and seemed to be a simple job. I expected stator or CDI. I got it home and was doing all the necessary voltage and resistance reading...	Elijah Bronson	30	4334	Jan 30, 2018 by Elijah Bronson
	All done and dusted! (Preview) Since I bought my Blue TTR a couple of months ago I've given it a few outings, come off it a few times, had a fair bit of fun and have now carried what I feel are the necessary repairs and maintenance/mods to make it a really reliable and useable tool with a bit more oomph than it used to have. I decided not to me...	Big G	5	907	Jan 29, 2018 by ttr steve
	Have you used anytime for your TTR CASTROL POWER 1 RACING 4T 10W-40? (Preview) I am curious about if this oil is good or not.	Nomada_Firefox	4	1097	Jan 29, 2018 by Nomada_Firefox
	CDi questions and answers! ( 1 2 ) (Preview) My CDI unit is making a whining noise and i recently replaced the ignition coil and still no spark. i'm thinking my CDI have gone bad, and a new unit till cost around 270USD here, so i was wondering if there's any alternative new tech, something like a bosch ignition to replace the CDI? any ideas?	oshanrube	52	11814	Jan 29, 2018 by Elijah Bronson
	Where's the fork damping clicker? (Preview) I've just pulled the forks apart on my bluey and changed the oil then pumped some air into the schrader valve (2.5psi) and they feel 100% better but where's the damping clicker adjuster that's mentioned in the manual? My bike only has the top fork tube nut and the air valve in the middle of that (see pic) T...	Big G	5	632	Jan 23, 2018 by Big G
	is too much shifting bad for the transmission? (Preview) hi everyone, I have another question. i just got my ttr250 road legal and have been riding it aroun. I feel like I am shifting up and down way more than I do on trails. Is too much shifting bad for the transmission? Also at red lights should I turn the bike off or will it get to hot from not moving?	Rydasc6102	8	676	Jan 22, 2018 by Rydasc6102
	Indicator, winker or flasher relay on white TTR250 OEs (Preview) Hi, i need help with my 1996 ttr oe. i originally wanted to install led indicators so i did and replaced the relay as well. the indicators were crap and i just bought some tungsten ones but when i replaced the relay i pulled the pins from the plug on the adapter to the old relay and now i don't know the origina...	anitabonghit	4	2681	Jan 15, 2018 by TTRfan
	Headlight relay - anyone tried fitting one? (Preview) I am curently restoring the pretty metallic blue tanked version of the 4RR2 model Open Enduro and had a problem tracing a headlight fault. I was surprised to find a relay under the tank which I hadn't come across before. Looking at the parts manual, this relay was only fitted to the 4RR2 and 4WA1 (Raid) m...	TTRfan	19	19398	Jan 15, 2018 by TTRfan
	TTR250 starting problem (Preview) I have a 2000 TTR250 that I just bought. Started fine several times before I bought it. Got it home an hour later and it wouldnt start. Really sluggish like battery dying. Had new battery installed. Worked fine rest of day and started once this morning and wouldnt start 15 minutes later. Same problem....	Paul M	2	1573	Jan 12, 2018 by Rydasc6102
	Extremely low compression but bike runs just fine (Preview) hi everyone, A couple months ago I was changing the spark plug on the bike and decided to do a compression test only to find that The gauge read only 60 PSI. I'm pretty sure it should be way higher than that. The bike still runs extremely strong and it doesn't feel like there's any power loss could this jus...	Rydasc6102	12	1330	Jan 12, 2018 by Rydasc6102
	Charging problem - battery drain (Preview) Hi all,I have a problem with the charging system on my newly acquired TTR250 1995.Symptoms are battery drain of 0.2V/hour, so it’s flat the next day. Also no charging when I rev the bike quite high(I don’t have an inductive tachometer) – the voltage across the battery stays at its initial charge of ap...	TTR2501966	5	1816	Jan 11, 2018 by mossproof
	Clutch spring screws (Preview) Hello everyone, I have just about wrapped up overhauling my engine. My final inner engine task is the clutch plates I have just now installed. Here's my issue- The last time I played with one of these clutches a few years ago, I busted my spare. I put an improper torque wrench to the clutch spring screws...	commandermullet	4	490	Jan 10, 2018 by mossproof
	Installing front brake pads (Preview) Just wondering if theres a good how-to for installing front brake pads I used this - http://www.ttr250.com/TTR_rear_discpads.htm for the rear ones and it was very easy but not sure how to do the front ones	charlesrobertson	3	1563	Jan 7, 2018 by TerryK
	Speedo drive/cable problem (Preview) Hi the speedo stopped working so today had a look. . Spin cable at bottom and speedo needle moves . put a match in bottom pic up and it spun intermittently ie a couple of sparodic turns every turn of the wheel . Stripped and cleaned pic up and found the problem . The 3 tang washer had lost its flat sides ( see pi...	rdchair	4	711	Jan 4, 2018 by rdchair
	Shagged Big End, Options? (Preview) So I just replaced the piston rings and cam chain on one of my TTR's that had a little rattle in the (so I thought) top end. At the time there was little to no play in the big end so was left as it was. Few rides later and the noise that never left was back and at the first oil change the (after 2 hours ridding) the...	asap88	6	779	Jan 2, 2018 by asap88
	Cleaning spokes (Preview) How do people clean their spokes? Want to know as it is the part of ttr I don't know how to clean. And keeping it clean seems to be the main part of maitenence because it is a trouble free bike!	threshold	5	521	Dec 29, 2017 by leigh
	Starting problems (Preview) Seem to have developed a starting problem on the ttr, where I put the choke and fuel on crank the engine, it starts straight away but the dies. I can do this 4/5 times and eventually I can get it to keep going but before this it used to start on the button. When its warm/hot there,s no problem I can start it eas...	wobbly	10	617	Dec 22, 2017 by wobbly
	Early Christmas present for my TTR! (Preview) Don't you just love eBay!!! £140 worth of crankshaft main bearings plus a transmission bearing for £45 posted	TTRfan	7	699	Dec 22, 2017 by Kaos
	Soft link Or split link? (Preview) Hi I have just bought a DID gold O ring chain for£10 on ebay, but has no soft link. I have never used a soft link and would I need special tools. Can I use a split link with O rings? cheers Dom -- Edited by rdchair on Thursday 21st of December 2017 09:41:26 AM	rdchair	6	466	Dec 21, 2017 by rdchair
	Got to love new chain & sprockets (Preview) As the subject suggests, I replaced the chain & sprockets, nice gold DID 520 chain with 13T & 44T sprockets, am I the only one that loves the feel of new chain & sprockets ? 16500 kms on the OEM units, not bad for a dirt bike & I could have reused the rear sprocket. Spending more time on the W...	TerryK	3	625	Dec 19, 2017 by TerryK
	found this great article. (Preview) https://www.dsmra.asn.au/dsmra/riding-tips/tech-tips/73-carriying-gear	shad	6	802	Dec 18, 2017 by shad
	How thin can you go on the cylinder sleeve? (Preview) I visited the Yeovilton Fleet Air Arm Museum yesterday in the company of TTR Steve and other similar but greyer old reprobates I have had discussions in the past about how thin you can go on cylinder sleeves before they would go "wavy" or otherwise distort in use. There were quite a few sectioned aero e...	TTRfan	5	1167	Dec 17, 2017 by mossproof
	Spark issue! Please help (Preview) Hello this is my first time posting to this form I have a 99 TTR 250 and the battery is fully charged I have a brand new spark plug and I'm turning the engine over with the electric start and I can see a spark initially but does not spark after that, every time I hit the starter, could anybody tell me what that c...	Kelkidd001	3	525	Dec 10, 2017 by comeragh
	Bottom shock bearing - anyone tried these? (Preview) https://www.ebay.co.uk/itm/Yamaha-TTR250-99-06-RFX-Race-Series-Lower-Swingarm-Shock-Bearing-Kit/401291255310?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649	mossproof	0	365	Dec 3, 2017 by mossproof
	Cost of a rebore and hone where you are? (Preview) I picked up a rebored barrel for Steve this morning (first oversize so no double boring charge as was the case with the 280 kit I had done back along) and the price had jumped over an 18 month period from £46 to £54. Don't get me wrong, the finished honed bore looks spot on but I am just wondering what other ow...	TTRfan	0	658	Nov 29, 2017 by TTRfan
	New throttle cable length (Preview) I need a new throttle cable as I have noticed the lower of the two cables is starting to break apart near the carburettor end. I bought my TTR second hand and so don't know whether I need a standard or extra long cable. The bars are Renthal 966 but I don't know whether any bar risers have been fitted. What's t...	Lumbricus	5	1227	Nov 28, 2017 by ttboof
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