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

grandad · grandad

I've developed a grinding rattling metallic noise fromm around the engine sprocket - gearbox aria when riding,could it be gearbox bearingss, if so does this mean a complete engine strip, rest of engine runs as sweet as a nut,HELP

Padowan · Padowan

Trying to get at the starter gears and motor and have found 2 out of the three cover bolts sized. Have cut slots to try remove with no luck and am running out of options before I have no choice but to drill them out. At least the holes are through drilled so I should be able to clean them out. Anyway, Rant o...

Truxx · Truxx

I'm in the middle of putting my clutch back together after hearing a slight rattle in there somewhere. I can't find anything wrong so putting it bac together. The manual says to align the punch mark on the pressure plate to the mark on the basket? i can see the punch mark on pressure plate but not on baske...

Nomada_Firefox · Nomada_Firefox

Hi. I´m searching this, it is the screw where you bring in the new oil in the engine. Is this reference 90340-20143? is there another option for this part? I´m curious about if it was this from http://www.ttr250.com/TTR_extras/ Pds: This is not my TTR250, I took this screenshot from the net for as...

TTRfan · TTRfan

I was having a tidy up and came across a brand new black seat strap of the same design as the TTR seat straps but significantly shorter. It's 39cm long compared to the standard 55cm It is way too short for even a fully lowered OE seat so what could it be from? I know the Raid seats have seat straps and there w...

Lin · Lin

Help! What size is the front sprocket nut?

Truxx · Truxx

Noticed today when I had the bike at tdc the marks on the cam gear didn't line up flush with the head. See pic: does this mean the cam chains stretched? Thanks dave -- Edited by Truxx on Monday 18th of August 2014 08:24:06 PM

T30 · T30

My speed is not working again. I am just about to fit another 3 prong washer from Brian but I think I have a part missing somewhere. I have tried fitting an additional washer under the circlip to ensure the 3 prong washer sits tight down on the drive ring. There was no washer fitted when I first had the bike....

dern · dern

Does anyone know where I can get a new coil+lead+plug cap from in the UK? Brian doesn't seem to list them and I can't find one online. Alternative fitments also fine, doesn't need to be original just reliable. Thanks, Mark

WillsTTR · WillsTTR

G'day All, I've just realised my '94 Raid is a Japanese market machine. I read in the project lemon thread his bike has grease nipples on the swing arm pivots etc. I'm wondering if there are any other differences I should be aware of? Does this have the potential to make buying parts a nightmare?

Than...

nwrider · nwrider

on my us 2006 ttr, i swapped a cracked headlight for one i picked up on ebay. with a high and a low bulb. 12 watt 18v not very bright, so i switch to a 12w 35 watt, not much differnce. Last nigth i wired in some h3 bulbs with a a little extra manufacturing. but still not bright. Does the ttr not produce enough...

Pendo · Pendo

Has anyone replaced their timing chain guides and do you need to remove the head to do it?

TTRfan · TTRfan

My friend Andy (who sells the TTR chain sliders and shock top bush kits) needs a replacement exhaust for his TTR. Not one to take the easy route such as finding a s/h one, Andy has made contact with a few exhaust manufacturers with a view to getting a small batch of replacement exhausts made up. Only one ma...

Chrisj796 · Chrisj796

Hello I just bought a 2005 ttr250 with a ffm pipe, an it is running me in circles. it has fresh fluids, new air filter an battery, the bike starts right up no problem but after about 45 min or so of slow trail riding it begins to bog out an dies. It will only start with the choke on an them idles high as the sky an...

TTRfan · TTRfan

I would be interested in other owners views on the foam lining on the TTR's side panels. On a dirtbike, the foam is a PITA. 1. It is difficult to clean properly without power washing it - which requires taking the panels off. 2. It stays wet after power washing creating a moist atmosphere around the frame...

fishernz · fishernz

Hi all. I'm currently in Laos on my way to Europe and I'm having problems with the carb. I've got a 2012 TTR250 with 16000kms. The first and most common problem is when I climb up a hill or any incline the bike coughs and splutters like its misfiring or flooding. It happens at low/mid revs but at higher revs...

UntamedTTR · UntamedTTR

Ok seeing if anybody out there can help me get the brake light to work. So I got the bike and it never had the bulb fitting or wiring. So bought a light fitting which came with three wires. Ground, high and low beam pretty simple really. Now searched the bike for where to wires this thing into. Finally found...

yamaha42 · yamaha42

I have come to realize that my rear shock is pretty worn. I was wondering if any of you knew of a reputable shop which can rebuild shocks in the US? Or does anybody know if I can buy a used one? I looked on ebay and didn't find anything there

Pendo · Pendo

Hi All Just discovered this forum and I'm impressed, so much good info! I'm about to replace the timing chain on my 05, the manual says to replace the sprockets too. Is it necessary, and do all 3 sprockets need replacing or just the top 2?

yamaha42 · yamaha42

Hello fellow TTR enthusiasts! It's been a while since I posted but I had a question about my bike. I'm not sure if this is normal, or if I should look into it, but when the bike is in gear (engine off), there is about 1/4 - 1/2 a turn of slack at the drive sprocket before it is stopped by the stopped engine. This...

WillsTTR · WillsTTR

G'day All, I'm in the process of prepping my '94 Raid for a frame paintwork freshen up and noticed the left hand footpeg mount is welded to the frame and the right hand one is bolted on. Is this how they come from the factory? Maybe a silly question.......................thanks!

TTRfan · TTRfan

Having been caught out by losing a split link on the trail a few weeks ago, I only just remembered to pack a new one in my tank bag before a trail ride on Tuesday. I find that the side plate is always a tight fit on the pins making it difficult to fit without a press when out riding so I always modify the spare I ca...

widge · widge

[URL=http://s1117.photobucket.com/user/Robert_Waddilove/media/TTR/2014-07-07193416_zps0b5ef73f.jpg.html][IMG]https://i1117.photobucket.com/albums/k594/Robert_Waddilove/TTR/2014-0...

TTRfan · TTRfan

My 325 looks after me very well so, with an MOT soon due, I decided to treat it to some new bits There was a bit of play in the rear wheel bearings so I stripped them out and the cause was obvious. Water had got in and, with it, the dreaded rust The cause of the water ingress was grooved spacers allowing water...

Pitley · Pitley

Hi all. I have just bought an 03 ttr 250, I have a problem with that the bike wont rev out, it starts ok, and rides off the pilot jet ok but soon after more throttle opening the thing starts spluttering. Ive had the carb off and cleaned it out,( even tho it was clean), changed the plug, put fresh fuel in, but st...

hertsrider · hertsrider

Morning - can the oracle of knowledge help me solve a problem on my beloved TTR?! I recently replaced the rocker cover gasket on the TTR as i had a slight weep which i believe went well....however....as you can see from the picture attached, i have a leak still and this time i think it's coming from the cir...

Padowan · Padowan

Does anyone use plain, non O/X-ring chains on their TTR, if so, what sort of conditions do you generally ride (dry, wet, mud, dust etc)? I've got a tub of Putoline boil in chain wax that I use on my push-bike chains and thought that with decent chain cleaning and boiling in the wax would provide adequate p...

leigh · leigh

Hey all. Love this bike. Still saving for a fmf q4 pipe. In the meantime is it worth cutting out the restrictor in the end of the header pipe with the standard Aussie muffler? Will it make any difference power wise? Previous owner already cut snorkel out Thanks guys Leigh

Tone · Tone

Does anyone know if there is any difference between the uk headlamp lense and those used in Europe? I am thinking of taking my bike out to France and leaving it at our French house which would mean re-registering and getting through the French scrutineering process. As the speedo has both miles and kil...

widge · widge

I hope you do not mind but having just picked up my bike (2003) I have a few maintenance questions. 1. The top exhaust thread is stripped so my local mechanic is going to helicoil it and ordered new studs from Brian. 2. The is oil leaking from the decompresser plug so ordered a new metal one from Brian. Tr...

Topic		Started By	Replies	Views	Last Post
	Something sounds expensive (Preview) I've developed a grinding rattling metallic noise fromm around the engine sprocket - gearbox aria when riding,could it be gearbox bearingss, if so does this mean a complete engine strip, rest of engine runs as sweet as a nut,HELP	grandad	5	558	Aug 30, 2014 by ttboof
	Starter gear cover bolts made of cheese. (Preview) Trying to get at the starter gears and motor and have found 2 out of the three cover bolts sized. Have cut slots to try remove with no luck and am running out of options before I have no choice but to drill them out. At least the holes are through drilled so I should be able to clean them out. Anyway, Rant o...	Padowan	9	708	Aug 27, 2014 by Padowan
	Clutch basket punch mark ? (Preview) I'm in the middle of putting my clutch back together after hearing a slight rattle in there somewhere. I can't find anything wrong so putting it bac together. The manual says to align the punch mark on the pressure plate to the mark on the basket? i can see the punch mark on pressure plate but not on baske...	Truxx	7	804	Aug 25, 2014 by Truxx
	What is the reference number from this plug? (Preview) Hi. I´m searching this, it is the screw where you bring in the new oil in the engine. Is this reference 90340-20143? is there another option for this part? I´m curious about if it was this from http://www.ttr250.com/TTR_extras/ Pds: This is not my TTR250, I took this screenshot from the net for as...	Nomada_Firefox	2	778	Aug 25, 2014 by Nomada_Firefox
	What's this seat strap from? (Preview) I was having a tidy up and came across a brand new black seat strap of the same design as the TTR seat straps but significantly shorter. It's 39cm long compared to the standard 55cm It is way too short for even a fully lowered OE seat so what could it be from? I know the Raid seats have seat straps and there w...	TTRfan	0	386	Aug 23, 2014 by TTRfan
	Front Sprocket Nut (Preview) Help! What size is the front sprocket nut?	Lin	7	1219	Aug 21, 2014 by Ruger
	Timing marks not lined up (Preview) Noticed today when I had the bike at tdc the marks on the cam gear didn't line up flush with the head. See pic: does this mean the cam chains stretched? Thanks dave -- Edited by Truxx on Monday 18th of August 2014 08:24:06 PM	Truxx	7	1181	Aug 21, 2014 by LoopSoosStroop
	Blue tank Speedo Drive - exploded view (Preview) My speed is not working again. I am just about to fit another 3 prong washer from Brian but I think I have a part missing somewhere. I have tried fitting an additional washer under the circlip to ensure the 3 prong washer sits tight down on the drive ring. There was no washer fitted when I first had the bike....	T30	3	833	Aug 19, 2014 by T30
	Coil and plug cap supplier (Preview) Does anyone know where I can get a new coil+lead+plug cap from in the UK? Brian doesn't seem to list them and I can't find one online. Alternative fitments also fine, doesn't need to be original just reliable. Thanks, Mark	dern	10	747	Aug 12, 2014 by dern
	IDENTIFICATION HELP? (Preview) G'day All, I've just realised my '94 Raid is a Japanese market machine. I read in the project lemon thread his bike has grease nipples on the swing arm pivots etc. I'm wondering if there are any other differences I should be aware of? Does this have the potential to make buying parts a nightmare? Than...	WillsTTR	2	450	Aug 9, 2014 by WillsTTR
	night riding (Preview) on my us 2006 ttr, i swapped a cracked headlight for one i picked up on ebay. with a high and a low bulb. 12 watt 18v not very bright, so i switch to a 12w 35 watt, not much differnce. Last nigth i wired in some h3 bulbs with a a little extra manufacturing. but still not bright. Does the ttr not produce enough...	nwrider	8	702	Aug 6, 2014 by sammyttr
	Replacing timing chain guides (Preview) Has anyone replaced their timing chain guides and do you need to remove the head to do it?	Pendo	8	2277	Jul 26, 2014 by ttboof
	Lightweight, rust proof, quiet after-market exhaust for the TTR? Try a Motad! (Preview) My friend Andy (who sells the TTR chain sliders and shock top bush kits) needs a replacement exhaust for his TTR. Not one to take the easy route such as finding a s/h one, Andy has made contact with a few exhaust manufacturers with a view to getting a small batch of replacement exhausts made up. Only one ma...	TTRfan	34	15927	Jul 25, 2014 by TTRfan
	New to 4 strokes and lost. Help (Preview) Hello I just bought a 2005 ttr250 with a ffm pipe, an it is running me in circles. it has fresh fluids, new air filter an battery, the bike starts right up no problem but after about 45 min or so of slow trail riding it begins to bog out an dies. It will only start with the choke on an them idles high as the sky an...	Chrisj796	2	2129	Jul 25, 2014 by Chrisj796
	Side panel foam lining (Preview) I would be interested in other owners views on the foam lining on the TTR's side panels. On a dirtbike, the foam is a PITA. 1. It is difficult to clean properly without power washing it - which requires taking the panels off. 2. It stays wet after power washing creating a moist atmosphere around the frame...	TTRfan	9	1191	Jul 23, 2014 by TT-R250M
	Help! I'm stuck in Laos with a leaky carb (Preview) Hi all. I'm currently in Laos on my way to Europe and I'm having problems with the carb. I've got a 2012 TTR250 with 16000kms. The first and most common problem is when I climb up a hill or any incline the bike coughs and splutters like its misfiring or flooding. It happens at low/mid revs but at higher revs...	fishernz	13	1485	Jul 22, 2014 by TT-R250M
	1995 OE Brake light wiring troubles (Preview) Ok seeing if anybody out there can help me get the brake light to work. So I got the bike and it never had the bulb fitting or wiring. So bought a light fitting which came with three wires. Ground, high and low beam pretty simple really. Now searched the bike for where to wires this thing into. Finally found...	UntamedTTR	5	1435	Jul 19, 2014 by TDVT
	Suspension rebuild (Preview) I have come to realize that my rear shock is pretty worn. I was wondering if any of you knew of a reputable shop which can rebuild shocks in the US? Or does anybody know if I can buy a used one? I looked on ebay and didn't find anything there	yamaha42	2	467	Jul 18, 2014 by Ruger
	Need to replace sprockets when replacing timing chain? (Preview) Hi All Just discovered this forum and I'm impressed, so much good info! I'm about to replace the timing chain on my 05, the manual says to replace the sprockets too. Is it necessary, and do all 3 sprockets need replacing or just the top 2?	Pendo	2	699	Jul 14, 2014 by TTRfan
	Engine Play? (Preview) Hello fellow TTR enthusiasts! It's been a while since I posted but I had a question about my bike. I'm not sure if this is normal, or if I should look into it, but when the bike is in gear (engine off), there is about 1/4 - 1/2 a turn of slack at the drive sprocket before it is stopped by the stopped engine. This...	yamaha42	4	697	Jul 13, 2014 by yamaha42
	LH Footrest? (Preview) G'day All, I'm in the process of prepping my '94 Raid for a frame paintwork freshen up and noticed the left hand footpeg mount is welded to the frame and the right hand one is bolted on. Is this how they come from the factory? Maybe a silly question.......................thanks!	WillsTTR	9	614	Jul 13, 2014 by ttr steve
	Split links (Preview) Having been caught out by losing a split link on the trail a few weeks ago, I only just remembered to pack a new one in my tank bag before a trail ride on Tuesday. I find that the side plate is always a tight fit on the pins making it difficult to fit without a press when out riding so I always modify the spare I ca...	TTRfan	1	400	Jul 11, 2014 by Terrence R
	What's these plastic bits for? (Preview) [URL=http://s1117.photobucket.com/user/Robert_Waddilove/media/TTR/2014-07-07193416_zps0b5ef73f.jpg.html][IMG]https://i1117.photobucket.com/albums/k594/Robert_Waddilove/TTR/2014-0...	widge	2	462	Jul 7, 2014 by Cubber
	New wheel bearings, seals, spacers plus chain and sprocket set (Preview) My 325 looks after me very well so, with an MOT soon due, I decided to treat it to some new bits There was a bit of play in the rear wheel bearings so I stripped them out and the cause was obvious. Water had got in and, with it, the dreaded rust The cause of the water ingress was grooved spacers allowing water...	TTRfan	3	1211	Jul 7, 2014 by ttboof
	Starts but wont rev out (Preview) Hi all. I have just bought an 03 ttr 250, I have a problem with that the bike wont rev out, it starts ok, and rides off the pilot jet ok but soon after more throttle opening the thing starts spluttering. Ive had the carb off and cleaned it out,( even tho it was clean), changed the plug, put fresh fuel in, but st...	Pitley	21	2701	Jul 5, 2014 by claytronic
	Oil weep / leak (Preview) Morning - can the oracle of knowledge help me solve a problem on my beloved TTR?! I recently replaced the rocker cover gasket on the TTR as i had a slight weep which i believe went well....however....as you can see from the picture attached, i have a leak still and this time i think it's coming from the cir...	hertsrider	11	2630	Jul 4, 2014 by hertsrider
	Non O-Ring/X-Ring Chains (Preview) Does anyone use plain, non O/X-ring chains on their TTR, if so, what sort of conditions do you generally ride (dry, wet, mud, dust etc)? I've got a tub of Putoline boil in chain wax that I use on my push-bike chains and thought that with decent chain cleaning and boiling in the wax would provide adequate p...	Padowan	1	819	Jul 2, 2014 by ttboof
	Exhaust question (Preview) Hey all. Love this bike. Still saving for a fmf q4 pipe. In the meantime is it worth cutting out the restrictor in the end of the header pipe with the standard Aussie muffler? Will it make any difference power wise? Previous owner already cut snorkel out Thanks guys Leigh	leigh	8	874	Jun 30, 2014 by petenz
	Continental headlamp lense for 2003 TTr250R (Preview) Does anyone know if there is any difference between the uk headlamp lense and those used in Europe? I am thinking of taking my bike out to France and leaving it at our French house which would mean re-registering and getting through the French scrutineering process. As the speedo has both miles and kil...	Tone	0	424	Jun 29, 2014 by Tone
	New owner with loads of questions! (Preview) I hope you do not mind but having just picked up my bike (2003) I have a few maintenance questions. 1. The top exhaust thread is stripped so my local mechanic is going to helicoil it and ordered new studs from Brian. 2. The is oil leaking from the decompresser plug so ordered a new metal one from Brian. Tr...	widge	8	1139	Jun 27, 2014 by BM Steve
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