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

RHHogue · RHHogue

I have been having trouble with my ttr since I bought it used. Thought it would be a simple carbeurtor cleaning, but that is not the case. Now I have done so much not sure where to go. Also let me say that I have just basic mechanic skills so I could have messed up on any of the following. symptoms: -high spe...

mypobox · mypobox

I was going through a field of high grass and a huge rock jumped in front of my bike. I was almost able to avoid it but it caught my bike. Ends up being a 200$ mistake I wasn't hurt and the bike will be fine. I just missed my whole day of riding

mypobox · mypobox

So many of the bolts I pull out of the engine have this odd chaulky white powder on them. Is this anti-seize from the factory? or oxidation? Should i use thread lock these or anti seize on these internal engine bolts like the bolts that hold the stator to the cover and the cable holds??

Pendo · Pendo

Hi All Feel like I'm hogging the new threads but have decided to replace the sprag clutch. Pulled off the 'Yamaha Cover' and noticed some small cracks around the base - see very average, out of focus photo. Should I replace the cover?

leigh · leigh

Mine has about 2mm of play in it. Gives a slight clunk when on the bike stand and I lift the swing arm. Can't see it move. I can feel it if I put my fingers around it. Should it have zero play up and down? Cheers Leigh.

TTRfan · TTRfan

Just seen this ad on eBay. Anyone know where it might fit on the TTR???

TTRfan · TTRfan

Excited to get these after many months of waiting! (I lead a sheltered life ) Lathed up for me by a mate now living in France and brought over on today's Roscoff ferry Anyone guess their use???? Brian

Pendo · Pendo

Hi Just about to do the old Sprag Clutch (thanks for the brilliant guide Brian). Have ordered a new gasket but was wondering, does it need any Gasket Goo or can it go in dry cheers Phill

nwrider · nwrider

new stator new coil, have spark, still wont start, i ready to shoot the bike or myself? what next

Irve · Irve

hello Since I bought my bike 3 month ago I have the issue with grey smoke (not very much but still) while over 1/3 throttle and while deaccelerating after full throttel even more. In addition to that it is using a lot of oil about 200-300ml (not sure exactly) for 100km. Even making it lean doesn't help so...

pug · pug

had a cracking ride out Saturday did 60-70 miles round trip taking in about 20 lanes bike running like a watch. the TTr gets used for the trip to work as well if it's not pissing down so Monday to work an back then wet on Tuesday today 300 yard's from home loss of drive looking back the road there's the cha...

TTRHead · TTRHead

anyone ever used them on a TTR? some people are telling me they are death traps??? prob scaremongering!

the-dirty-commuter · the-dirty-commuter

i weigh 12 stone and ride mostly on road, is there a recommended suspension setting? if not what is the best method of achieving the perfect balance? i guess a special (shock) pump will be required for the front fork spring rate?

kgoose89 · kgoose89

Ok, so vice grips, torch, and every other technique did not work. Here is a pic of the aftermath, now the bottom stud hole broke on the bottom side is there any way to have this welded, drilled and tapped?

andyh · andyh

Hi doing strip on my freshly acquired 250 Raid but swing arm suspension link bolt appears tack welded any body seen this before?

andyh · andyh

Managed to extract link bolt from swing arm (see other thread) so now looking to refurb bushes etc . Has any one fitted a kit to this model ie all balls or Wemoto Slinky kit? Any recommends appreciated as wary of buying wrong kit for this model Its a 1994 250 raid 4GY import Cheers Folks

mypobox · mypobox

My TTR oil plug was a NIGHTMARE to get out. When the dust all settled it was ruined. I hate the soft metal it was made from so I bought a plug at my auto store. It was really nice, solid steel and 17mm BUT it was about a 1/4inch longer. I was concerned about the extra length (thats what she said) hitting somethi...

WillsTTR · WillsTTR

G'day All, my ttr has developed another oil leak. I fixed the usual one on the head with a plug from Brian. This is messy and leaves a spot every time I park it

sena · sena

Hello everyone here. The spare parts I ordered should arrive by Tuesday. I was re-reading the service manual and come across LUBRICATION question during motor rebuild: On some points it is advised to use "Molybdenum Disulfide Oil" , on others "Lithium Soap grease". Some...

Oldduc · Oldduc

No parts available where I live, no any usable mail service. I am going to be in the USA for a couple of weeks in Nov and thought I'd order some parts online and have the mailed to my friends in Virginia. So a question to all the US TTR riders,can you suggest an online retailer I could order from. I need clut...

TTRHead · TTRHead

Hello all i still have the ugly big read end on my TTR and would like to know if anyone has an idea how I can make it look better?

RodYorkttr · RodYorkttr

I thought you might like to see a recent trip I undertook to Europe and the problems we faced.(Lots of repairs!!) There are 09 episodes in total...all with an alternative sense of humour- as I complete the other episodes-.(1/9 & 2/9 out now) they will be posted up. The vids are best watched with cop...

TTRfan · TTRfan

See here Anyone tried one on their TTR yet? Brian

dern · dern

Can anyone help me with my thought process please... I've taken the head/barrel off and refitted to cure an oil leak from the bottom of the barrel at the front. Now it's all back together it runs as rough under load as you like. Idle is fine, steady throttle is ok but not brilliant but acceleration is jerk...

kgoose89 · kgoose89

Ordered a new idle set screw from Yamaha. Lo and Behold, it is on national backorder, mine broke as I was attempting to adjust as this bike has sat in the elements to my suspicion, for quite some time. I'm going to pull the carb and drill out the original. Does anyone happen to know what pitch and thread si...

kgoose89 · kgoose89

Ok, so I finally got my bike running. Upon the throttle sticking after running it a few times I decided to inspect it further. I pulled the carburetor and noticed a super sticky brown gunk on the slide and outlet portion of the carb. I cleaned the emulsifier and the carb, it seems like it is beginning to st...

hanzo · hanzo

yesterday my neutral light went out thinking it was the bulb i proceeded to change it.Unfortunately the bulb holder disintigrated , leaving the wires bare with the copper fittings attached .there is power to the brown wire. The bike will now not start on the starter unless the clutch is pulled in and t...

TDVT · TDVT

Even though we have a bit of nice weather ahead, I am thinking about winter maintenance for the TTR which may include the top-end. The bike is now 10 years old, runs OK but I really don't know much about it's maintenance prior to my getting it 3 years ago. Seems like a valve job, timing chain, etc. certainl...

matador · matador

Years ago I before 0-ring chains I used to remove the chain wash it in paraffin and cook it up in 'linklife', hang up the warm chain over the tin as most used to run back, worked well. For the last few years I've used Chainsaw oil before each trip of say 100miles, often over oiling to let the surplus +dirt ru...

hertsrider · hertsrider

Hi all, returned from holiday and the bike wont start, battery has power as everything works on it but the thing wont even turn. so, bikes in neutral, press the button and nothing happens....just the neutral light dims And brightens again when I leave the start button. must be an electrical fault some...

Topic		Started By	Replies	Views	Last Post
	TTR running rough at high Rpms (Preview) I have been having trouble with my ttr since I bought it used. Thought it would be a simple carbeurtor cleaning, but that is not the case. Now I have done so much not sure where to go. Also let me say that I have just basic mechanic skills so I could have messed up on any of the following. symptoms: -high spe...	RHHogue	14	4720	Nov 4, 2014 by RHHogue
	i went for a nice walk today (Preview) I was going through a field of high grass and a huge rock jumped in front of my bike. I was almost able to avoid it but it caught my bike. Ends up being a 200$ mistake I wasn't hurt and the bike will be fine. I just missed my whole day of riding	mypobox	5	806	Nov 4, 2014 by PlumasDude
	White chalky residue on engine bolts (Preview) So many of the bolts I pull out of the engine have this odd chaulky white powder on them. Is this anti-seize from the factory? or oxidation? Should i use thread lock these or anti seize on these internal engine bolts like the bolts that hold the stator to the cover and the cable holds??	mypobox	2	1135	Nov 4, 2014 by mypobox
	Sprag replacement - cracked cover (Preview) Hi All Feel like I'm hogging the new threads but have decided to replace the sprag clutch. Pulled off the 'Yamaha Cover' and noticed some small cracks around the base - see very average, out of focus photo. Should I replace the cover?	Pendo	3	602	Nov 1, 2014 by mypobox
	Lower shock bearing (Preview) Mine has about 2mm of play in it. Gives a slight clunk when on the bike stand and I lift the swing arm. Can't see it move. I can feel it if I put my fingers around it. Should it have zero play up and down? Cheers Leigh.	leigh	4	613	Oct 31, 2014 by leigh
	Clutch Spring Bolt & Washer Kit? (Preview) Just seen this ad on eBay. Anyone know where it might fit on the TTR???	TTRfan	3	504	Oct 30, 2014 by mypobox
	New toys for my toolbox! (Preview) Excited to get these after many months of waiting! (I lead a sheltered life ) Lathed up for me by a mate now living in France and brought over on today's Roscoff ferry Anyone guess their use???? Brian	TTRfan	4	618	Oct 28, 2014 by Padowan
	Generator cover gasket (Preview) Hi Just about to do the old Sprag Clutch (thanks for the brilliant guide Brian). Have ordered a new gasket but was wondering, does it need any Gasket Goo or can it go in dry cheers Phill	Pendo	1	692	Oct 28, 2014 by TTRfan
	what next? (Preview) new stator new coil, have spark, still wont start, i ready to shoot the bike or myself? what next	nwrider	10	853	Oct 24, 2014 by Ttr rider
	grey smoke and oil consumption (Preview) hello Since I bought my bike 3 month ago I have the issue with grey smoke (not very much but still) while over 1/3 throttle and while deaccelerating after full throttel even more. In addition to that it is using a lot of oil about 200-300ml (not sure exactly) for 100km. Even making it lean doesn't help so...	Irve	11	1778	Oct 23, 2014 by Irve
	lost drive (Preview) had a cracking ride out Saturday did 60-70 miles round trip taking in about 20 lanes bike running like a watch. the TTr gets used for the trip to work as well if it's not pissing down so Monday to work an back then wet on Tuesday today 300 yard's from home loss of drive looking back the road there's the cha...	pug	1	682	Oct 22, 2014 by Cubber
	AC10 Tyres (Preview) anyone ever used them on a TTR? some people are telling me they are death traps??? prob scaremongering!	TTRHead	12	1197	Oct 22, 2014 by gooddelph
	suspension setup (Preview) i weigh 12 stone and ride mostly on road, is there a recommended suspension setting? if not what is the best method of achieving the perfect balance? i guess a special (shock) pump will be required for the front fork spring rate?	the-dirty-commuter	0	614	Oct 21, 2014 by the-dirty-commuter
	Houston we have a problem.... (Preview) Ok, so vice grips, torch, and every other technique did not work. Here is a pic of the aftermath, now the bottom stud hole broke on the bottom side is there any way to have this welded, drilled and tapped?	kgoose89	11	961	Oct 20, 2014 by kgoose89
	1994 250 Raid swing arm link welded? (Preview) Hi doing strip on my freshly acquired 250 Raid but swing arm suspension link bolt appears tack welded any body seen this before?	andyh	6	956	Oct 15, 2014 by petenz
	1994 250 raid 4gy rear suspension kit (Preview) Managed to extract link bolt from swing arm (see other thread) so now looking to refurb bushes etc . Has any one fitted a kit to this model ie all balls or Wemoto Slinky kit? Any recommends appreciated as wary of buying wrong kit for this model Its a 1994 250 raid 4GY import Cheers Folks	andyh	5	571	Oct 15, 2014 by WheelMan
	Oil plug replacement (Preview) My TTR oil plug was a NIGHTMARE to get out. When the dust all settled it was ruined. I hate the soft metal it was made from so I bought a plug at my auto store. It was really nice, solid steel and 17mm BUT it was about a 1/4inch longer. I was concerned about the extra length (thats what she said) hitting somethi...	mypobox	2	541	Oct 15, 2014 by mypobox
	OIL LEAK :-( (Preview) G'day All, my ttr has developed another oil leak. I fixed the usual one on the head with a plug from Brian. This is messy and leaves a spot every time I park it	WillsTTR	10	3050	Oct 12, 2014 by WillsTTR
	motor rebuild: lubricants question ? (Preview) Hello everyone here. The spare parts I ordered should arrive by Tuesday. I was re-reading the service manual and come across LUBRICATION question during motor rebuild: On some points it is advised to use "Molybdenum Disulfide Oil" , on others "Lithium Soap grease". Some...	sena	6	1443	Oct 10, 2014 by sena
	Parts suppliers in the USA (Preview) No parts available where I live, no any usable mail service. I am going to be in the USA for a couple of weeks in Nov and thought I'd order some parts online and have the mailed to my friends in Virginia. So a question to all the US TTR riders,can you suggest an online retailer I could order from. I need clut...	Oldduc	5	620	Oct 10, 2014 by Oldduc
	Tail tidy (Preview) Hello all i still have the ugly big read end on my TTR and would like to know if anyone has an idea how I can make it look better?	TTRHead	6	1077	Oct 9, 2014 by Cubber
	Bike trip through Europe > Turkey & back under £900? (Preview) I thought you might like to see a recent trip I undertook to Europe and the problems we faced.(Lots of repairs!!) There are 09 episodes in total...all with an alternative sense of humour- as I complete the other episodes-.(1/9 & 2/9 out now) they will be posted up. The vids are best watched with cop...	RodYorkttr	25	1846	Oct 8, 2014 by RodYorkttr
	Lithium Ion battery for the TTR250 (Preview) See here Anyone tried one on their TTR yet? Brian	TTRfan	6	2064	Oct 7, 2014 by claytronic
	Rough running after rebuild (Preview) Can anyone help me with my thought process please... I've taken the head/barrel off and refitted to cure an oil leak from the bottom of the barrel at the front. Now it's all back together it runs as rough under load as you like. Idle is fine, steady throttle is ok but not brilliant but acceleration is jerk...	dern	9	1142	Oct 3, 2014 by dern
	Tekei Y30p Issue....Jarrah please chime in. Also, exhaust studs broken and frozen in the head... (Preview) Ordered a new idle set screw from Yamaha. Lo and Behold, it is on national backorder, mine broke as I was attempting to adjust as this bike has sat in the elements to my suspicion, for quite some time. I'm going to pull the carb and drill out the original. Does anyone happen to know what pitch and thread si...	kgoose89	3	731	Sep 29, 2014 by kgoose89
	Oil in the carb, oil collecting upon air fins on the cylinder casing (Preview) Ok, so I finally got my bike running. Upon the throttle sticking after running it a few times I decided to inspect it further. I pulled the carburetor and noticed a super sticky brown gunk on the slide and outlet portion of the carb. I cleaned the emulsifier and the carb, it seems like it is beginning to st...	kgoose89	3	871	Sep 29, 2014 by kgoose89
	neutral switch advice (Preview) yesterday my neutral light went out thinking it was the bulb i proceeded to change it.Unfortunately the bulb holder disintigrated , leaving the wires bare with the copper fittings attached .there is power to the brown wire. The bike will now not start on the starter unless the clutch is pulled in and t...	hanzo	3	911	Sep 28, 2014 by hanzo
	Top-end work (Preview) Even though we have a bit of nice weather ahead, I am thinking about winter maintenance for the TTR which may include the top-end. The bike is now 10 years old, runs OK but I really don't know much about it's maintenance prior to my getting it 3 years ago. Seems like a valve job, timing chain, etc. certainl...	TDVT	2	522	Sep 28, 2014 by TTRfan
	chain lub - what's best for dirt bikes. (Preview) Years ago I before 0-ring chains I used to remove the chain wash it in paraffin and cook it up in 'linklife', hang up the warm chain over the tin as most used to run back, worked well. For the last few years I've used Chainsaw oil before each trip of say 100miles, often over oiling to let the surplus +dirt ru...	matador	5	761	Sep 26, 2014 by Pendo
	Starting/electric issues (Preview) Hi all, returned from holiday and the bike wont start, battery has power as everything works on it but the thing wont even turn. so, bikes in neutral, press the button and nothing happens....just the neutral light dims And brightens again when I leave the start button. must be an electrical fault some...	hertsrider	11	1484	Sep 26, 2014 by hertsrider
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