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

Forgorin · Forgorin

So, I'm looking for more power! I have a '94 raid. I am hoping to add electric grips and an electric vest. Grips run at about 60 watts. That's almost half of what the stator produces. Are there any aftermarket stators for the bike? Am I looking at a rebuild?

kylarama · kylarama

Years ago when I last went riding I used to fill up my backpack with all types of useless crap that was heavy and probably only usefull on everyone elses bikes. What basic tools and spares specifically suited to a TTR should I carry as a minimum? Generally we wouldn't venture anymore than about 100km...

TTRfan · TTRfan

Thread repair kits. These have got me out of trouble on a regular basis! Available quite cheaply on eBay. For the manufacturer's page - see here

TTRfan · TTRfan

As suggested by brindabella, I have started this thread to show my own choice of "proven/economical/useful workshop consumables". I have started off with my UK thoughts maybe other owners from USA, Australia, etc, can weigh in with their local equivalent brands...... First off, one o...

yamalama · yamalama

Hi all, I am trying to re-join the fold. I haven't posted here for a few years now, but am now trying to get my blue tanked TTR back on the road. After getting a very low compression reading from my hot engine (90psi) I had hoped that a rebore and lapping in of the valves would be all that was necessary to reviv...

spud351 · spud351

So my wheels have a number of holes in the rims. I assume for rim locks as I can't think of anything else. I don't have rimlocks but will the holes cause issues? Won't the inner tube try to get out? It hasn't done as I've pumped them up but i wouldn't want it to change it's mind at speed. If they need blocking u...

Firestorm809 · Firestorm809

My front brake problems seem to be never ending. I have serviced the master cylinder using the all balls kit. I have also serviced the front caliper. I'm still unable to bleed the system, i simply cannot get any pressure build up. After many tests it seems air is getting in via the piston in the master cyl...

JPVIC · JPVIC

So I recently did a service on my TTR after I bought it. The manual says 10w30 or 20w40, but I went with 10w60 (local motorcycle store is pretty high end so they mostly cater to hardcore enthusiasts). Is this ok? I've read on some online forums that it may cause more wear over time on low temps like at startu...

leigh · leigh

Hi All I went for my first ride on the bike after building the new one and I ditched the lowering link this time. First ride without one. AND holy hell doesn't that make a difference. It shocked me (nice pun Leigh!!) how different it was. I've always ridden with a 2" lowering link and thought the bike h...

BikerMat · BikerMat

Hi Guys, I have just recently gotten my carb back together and on the bike - Reason for taking it apart was that it would bog down and die when applying throttle. I've cleaned the jets and put in a new float bowl seal and diaphram o ring seals (Old ones were flattened, diaphram is in good condition). I follo...

Firestorm809 · Firestorm809

Yet another problem I have encountered.... I have serviced the carb (ultrasonic cleaned and All balls service kit fitted) and the bike sounds and runs lovely....until I hit a long strech of uphill road in high gear and the bike eventually cuts out. It seems the carb is being starved of fuel. The bike wi...

TTR2501966 · TTR2501966

Hi all, During deceleration/over run I get a popping/backfiring. The engine also hunts when I'm at low load/low revs. It also jerks when I'm just rolling the throttle - such as rolling up to a T junction and gently pulling away without stopping. Everything is fine when I'm loading up the engine wi...

chrishughes1989 · chrishughes1989

can I get parts to stop play in the joint? or do I have to get the whole rebuild kit?

bmw · bmw

Went to start up this morning, cranked over, fired but did not catch tried again ,now cranking faster than normal no sign of starting. Checked with the kick start, by hand no resistance worth mentioning. Has anyone had this problem, there was no unusual noise at all and it was running perfectly w...

Fat Leopard · Fat Leopard

I have had little luck finding a replacement headlight bulb for the '00 US TTR. The local dealer *may* be able to get one in a few months for about $65 each - seriously? I have a Polisport Halo that I intend to fit at some point but I wanted to repair the existing setup for simplicity. Well... this is what I di...

xavier · xavier

Hello, As I have just explain in my presentation, I bought a 93's TTR250 last saturday and I m starting to check the parts which need to be replace. The first one is the rubber pipe between the carburator and the cylinder;, it is completely worn and probably creates an air leak wich can explain why the en...

honda15i · honda15i

The original bolt cap can be easily damaged. so as alternative i found cheap backup bolt from mother china. seems to fit ok -- Edited by honda15i on Wednesday 15th of May 2019 08:28:45 PM

honda15i · honda15i

These Yamaha top bearings does not last long. Every season I need to replace them. I found alternative top bearing from Germany for the cost of 15€. It is 1 or 2 mm narrower than original, but in double less price than yamaha's. Fits perfectly. Bearing code for googling - GXSW 12.26 Adding photos (comp...

Ross · Ross

Hi I have recently had the sprag clutch on My TTR replaced as there was a noise when you switched the bike off. The mechanic that did the job said there was significant wear on the sprag you could rotate it both ways before it would lock up. The Boss gear he said had a little bit of wear but he didn't think it w...

robs · robs

Hi all, I have a couple of questions relating to the TTR gearbox, hopefully the collective genius of the forum can help me! I've had a couple of occasions recently where I get stuck in first gear. Gear changes on the low gears can also tend to seem very stiff / like they are not engaging properly. Higher ge...

Captdanno · Captdanno

Hello guys new to this but having a little problem with my new to me 2006 ttr 250. Its four stroke. and the problem is it starts like a dream with the electric starter... But when i get into sticky situations and use kick starter it wont start bike.... It will engage but will not give enough umph to actuall...

Firestorm809 · Firestorm809

I have a lovely dent in the right side of my metal tank. Any tips on how to straighten this out??? Matthew

honda15i · honda15i

one of mine ttrs bogs on high rpm around 6500-7000. It seems like I hit rpm limiter, engine doesn’t reach full power. My second TTR reach top high rpm without bogging. I took these parts from second ttr and installed on first: 1. Carb with fuel hoses and one way valves 2. Cdi 3. Ignition coil 4. Spark plug 5...

tom13 · tom13

Google translator If I put the ttr on the right side, can I unscrew the oil plug? Does the oil leak? I want to replace the copper pad because I have a leak.

honda15i · honda15i

Hi, I'm not a fan of Chinese items however it happened I have head and cylinder gaskets for price of 7£. The head gasket is very thin and without teflon. Yamaha gasket I think has two or three gaskets stamped and painted with teflon. Has anybody tried chinese gaskets? See photos. -- Edited by honda15i on...

Per Ulv · Per Ulv

Hi Anyone knows if a stator from a later model wold fit? IE the year 1999? Having problems finding av stator for my bike from 1994. Thanks Per Arne Bustnes Norway

BikerMat · BikerMat

Hi guys, Small problem with the compression damping clicker on the reservoir of the rear shock on my bike. It doesn't like to turn or click It rotates a few degrees either way but seems to be pretty stuck and I don't fancy forcing it. This is the closest picture I have of it currently, any ideas as to whats u...

TTRfan · TTRfan

I thought it might be interesting to post up some of the TTR nasties that I have come across so that worse case scenarios can be viewed. Please feel free to add your own. First off, how about this for a home-made timing chain tensioner? Or a delaminated standard case saver? Or a valve seat that fell out?...

tripodtiger · tripodtiger

What is this seal? Is it a seal? It's not shown on the Yamaha Parts Finder microfiche that I access on line. I forgot - 2002 TTR in Oz. The bolt behind drains the oil from the left side exhaust cam well.

TerryK · TerryK

Hi guys, the right tank decal is blistered, anyone had this, tried to work the air out but it keeps coming back, this bike is pretty tidy apart from this decal, checked with Yamaha & they want $586 for the pair of decals....no way I have ordered a set of Ballards decals for $60 but may put them away for a...

Topic		Started By	Replies	Views	Last Post
	STICKY: Output of stator (AC magneto generator) and wattage used by bulbs, etc. (Preview) So, I'm looking for more power! I have a '94 raid. I am hoping to add electric grips and an electric vest. Grips run at about 60 watts. That's almost half of what the stator produces. Are there any aftermarket stators for the bike? Am I looking at a rebuild?	Forgorin	9	1379	Dec 14, 2017 by ttboof
	STICKY: Basic tool kit & spares. What to carry on a ride? (Preview) Years ago when I last went riding I used to fill up my backpack with all types of useless crap that was heavy and probably only usefull on everyone elses bikes. What basic tools and spares specifically suited to a TTR should I carry as a minimum? Generally we wouldn't venture anymore than about 100km...	kylarama	18	5738	Dec 2, 2017 by TerryK
	STICKY: Essential workshop tools! Please add yours to the thread... (Preview) Thread repair kits. These have got me out of trouble on a regular basis! Available quite cheaply on eBay. For the manufacturer's page - see here	TTRfan	24	7606	Mar 15, 2017 by TTRfan
	STICKY: Essential workshop consumables - my choice - UK products (Preview) As suggested by brindabella, I have started this thread to show my own choice of "proven/economical/useful workshop consumables". I have started off with my UK thoughts maybe other owners from USA, Australia, etc, can weigh in with their local equivalent brands...... First off, one o...	TTRfan	7	3278	Dec 19, 2014 by petenz
	Con rod assessment question (Preview) Hi all, I am trying to re-join the fold. I haven't posted here for a few years now, but am now trying to get my blue tanked TTR back on the road. After getting a very low compression reading from my hot engine (90psi) I had hoped that a rebore and lapping in of the valves would be all that was necessary to reviv...	yamalama	6	86	7 days ago by ttr steve
	Why so many holes and will they cause issues? (Preview) So my wheels have a number of holes in the rims. I assume for rim locks as I can't think of anything else. I don't have rimlocks but will the holes cause issues? Won't the inner tube try to get out? It hasn't done as I've pumped them up but i wouldn't want it to change it's mind at speed. If they need blocking u...	spud351	9	179	7 days ago by spud351
	More front brake issues (Preview) My front brake problems seem to be never ending. I have serviced the master cylinder using the all balls kit. I have also serviced the front caliper. I'm still unable to bleed the system, i simply cannot get any pressure build up. After many tests it seems air is getting in via the piston in the master cyl...	Firestorm809	15	190	8 days ago by jasparach
	Oil visco ratings (Preview) So I recently did a service on my TTR after I bought it. The manual says 10w30 or 20w40, but I went with 10w60 (local motorcycle store is pretty high end so they mostly cater to hardcore enthusiasts). Is this ok? I've read on some online forums that it may cause more wear over time on low temps like at startu...	JPVIC	2	57	10 days ago by JOHNYBOY
	TTR suspension and lowering links (Preview) Hi All I went for my first ride on the bike after building the new one and I ditched the lowering link this time. First ride without one. AND holy hell doesn't that make a difference. It shocked me (nice pun Leigh!!) how different it was. I've always ridden with a 2" lowering link and thought the bike h...	leigh	1	62	10 days ago by yamalama
	Bike dies on idle with choke in. (Preview) Hi Guys, I have just recently gotten my carb back together and on the bike - Reason for taking it apart was that it would bog down and die when applying throttle. I've cleaned the jets and put in a new float bowl seal and diaphram o ring seals (Old ones were flattened, diaphram is in good condition). I follo...	BikerMat	6	160	12 days ago by 650Katman
	Losing power going for long periods uphill. (Preview) Yet another problem I have encountered.... I have serviced the carb (ultrasonic cleaned and All balls service kit fitted) and the bike sounds and runs lovely....until I hit a long strech of uphill road in high gear and the bike eventually cuts out. It seems the carb is being starved of fuel. The bike wi...	Firestorm809	3	91	12 days ago by ttr steve
	Back firing and popping from exhaust on deceleration/over run (Preview) Hi all, During deceleration/over run I get a popping/backfiring. The engine also hunts when I'm at low load/low revs. It also jerks when I'm just rolling the throttle - such as rolling up to a T junction and gently pulling away without stopping. Everything is fine when I'm loading up the engine wi...	TTR2501966	8	152	13 days ago by jasparach
	play in joint (Preview) can I get parts to stop play in the joint? or do I have to get the whole rebuild kit?	chrishughes1989	4	83	June 3rd by comeragh
	loss of compression (Preview) Went to start up this morning, cranked over, fired but did not catch tried again ,now cranking faster than normal no sign of starting. Checked with the kick start, by hand no resistance worth mentioning. Has anyone had this problem, there was no unusual noise at all and it was running perfectly w...	bmw	1	47	May 29th by TTRfan
	US model headlight bulb problems (Preview) I have had little luck finding a replacement headlight bulb for the '00 US TTR. The local dealer may be able to get one in a few months for about $65 each - seriously? I have a Polisport Halo that I intend to fit at some point but I wanted to repair the existing setup for simplicity. Well... this is what I di...	Fat Leopard	7	100	May 20th by Fat Leopard
	adapter carburator inlet from china? (Preview) Hello, As I have just explain in my presentation, I bought a 93's TTR250 last saturday and I m starting to check the parts which need to be replace. The first one is the rubber pipe between the carburator and the cylinder;, it is completely worn and probably creates an air leak wich can explain why the en...	xavier	5	106	May 16th by ttr steve
	Chinese cnc machined oil filler cap bolt (Preview) The original bolt cap can be easily damaged. so as alternative i found cheap backup bolt from mother china. seems to fit ok -- Edited by honda15i on Wednesday 15th of May 2019 08:28:45 PM	honda15i	2	81	May 16th by ttboof
	Alternative top bearing for rear Shock absorber (Preview) These Yamaha top bearings does not last long. Every season I need to replace them. I found alternative top bearing from Germany for the cost of 15€. It is 1 or 2 mm narrower than original, but in double less price than yamaha's. Fits perfectly. Bearing code for googling - GXSW 12.26 Adding photos (comp...	honda15i	3	118	May 15th by honda15i
	Sprag Clutch Boss Gear (Preview) Hi I have recently had the sprag clutch on My TTR replaced as there was a noise when you switched the bike off. The mechanic that did the job said there was significant wear on the sprag you could rotate it both ways before it would lock up. The Boss gear he said had a little bit of wear but he didn't think it w...	Ross	7	126	May 13th by Ross
	Sticking gear shifts (Preview) Hi all, I have a couple of questions relating to the TTR gearbox, hopefully the collective genius of the forum can help me! I've had a couple of occasions recently where I get stuck in first gear. Gear changes on the low gears can also tend to seem very stiff / like they are not engaging properly. Higher ge...	robs	8	134	May 12th by robs
	Kick start problem 2006 the 250 (Preview) Hello guys new to this but having a little problem with my new to me 2006 ttr 250. Its four stroke. and the problem is it starts like a dream with the electric starter... But when i get into sticky situations and use kick starter it wont start bike.... It will engage but will not give enough umph to actuall...	Captdanno	10	296	May 12th by JPVIC
	Tank problem (Preview) I have a lovely dent in the right side of my metal tank. Any tips on how to straighten this out??? Matthew	Firestorm809	5	122	May 9th by mossproof
	Engine bogs on high rpm (Preview) one of mine ttrs bogs on high rpm around 6500-7000. It seems like I hit rpm limiter, engine doesn’t reach full power. My second TTR reach top high rpm without bogging. I took these parts from second ttr and installed on first: 1. Carb with fuel hoses and one way valves 2. Cdi 3. Ignition coil 4. Spark plug 5...	honda15i	9	149	May 8th by mossproof
	If I put the ttr on the right side, can I unscrew the oil plug? (Preview) Google translator If I put the ttr on the right side, can I unscrew the oil plug? Does the oil leak? I want to replace the copper pad because I have a leak.	tom13	5	86	May 8th by tom13
	chinese gaskets (Preview) Hi, I'm not a fan of Chinese items however it happened I have head and cylinder gaskets for price of 7£. The head gasket is very thin and without teflon. Yamaha gasket I think has two or three gaskets stamped and painted with teflon. Has anybody tried chinese gaskets? See photos. -- Edited by honda15i on...	honda15i	3	125	May 8th by honda15i
	Stator TTR 250 1994 Stator (Preview) Hi Anyone knows if a stator from a later model wold fit? IE the year 1999? Having problems finding av stator for my bike from 1994. Thanks Per Arne Bustnes Norway	Per Ulv	3	69	May 2nd by TTRfan
	Rear shock compression damping knob stuck (Preview) Hi guys, Small problem with the compression damping clicker on the reservoir of the rear shock on my bike. It doesn't like to turn or click It rotates a few degrees either way but seems to be pretty stuck and I don't fancy forcing it. This is the closest picture I have of it currently, any ideas as to whats u...	BikerMat	2	72	May 2nd by BikerMat
	"Black museum" - pics of TTR nasties - not suitable for younger viewers! (Preview) I thought it might be interesting to post up some of the TTR nasties that I have come across so that worse case scenarios can be viewed. Please feel free to add your own. First off, how about this for a home-made timing chain tensioner? Or a delaminated standard case saver? Or a valve seat that fell out?...	TTRfan	6	1058	April 30th by Fat Leopard
	Please help - unidentified seal leaking. (Preview) What is this seal? Is it a seal? It's not shown on the Yamaha Parts Finder microfiche that I access on line. I forgot - 2002 TTR in Oz. The bolt behind drains the oil from the left side exhaust cam well.	tripodtiger	5	163	April 30th by tripodtiger
	Tank Decals (Preview) Hi guys, the right tank decal is blistered, anyone had this, tried to work the air out but it keeps coming back, this bike is pretty tidy apart from this decal, checked with Yamaha & they want $586 for the pair of decals....no way I have ordered a set of Ballards decals for $60 but may put them away for a...	TerryK	14	353	April 29th by Fat Leopard
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