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

grandad · grandad

After about 10 miles of riding I get missfires occasional back fire and wont tick over, could it be the coil

TTRVN · TTRVN

Hello guys. My bike is a Raid 1996. Yesterday I opened the crankcase breather ( conical thing just to the left of the air filter) and saw yellow goo dripping out, looked like yellow mayonnaise. Is this a mixture of oil and water from the crankcase?? Should I be worried? Thanks ! -- Edited by TTRVN on Tues...

locky · locky

mike220 · mike220

As per the title really, how much is ok when measured vertically in between cam gear's ? Been checking mine today to try and trace a noise after a top end rebuild. Video link to show mine below : TTR cam chain freeplay: http://youtu.be/o4xLjuALU-A For those who have knowledge of the inside of their m...

mypobox · mypobox

I want to create and tire tube repair kit for when I'm in the middle of nowhere. So far this is the list of tools needed. 24mm wrench for rear Tube patch kit 2or3 tire levers 21inch spare tube (I've read it can be used in an emergency for the rear) Tire pump. I'm trying to figure out how small a tire pump I can...

Fladdem · Fladdem

Hi all, I'll keep it short and sweet, I'm tarting up the TTR now I have a CRM 250 to fill the void. While I'm doing it, I thought, seeing as the clutch is starting to slip a bit, I'll change the plates. Now, Brian sells two kits, EBC and Psychic, is the EBC worth the extra moolah? Will it last longer, I am quite...

locky · locky

I meant to ask a while back when i serviced the rear caliper during my rebuild. Whats the piston made from ?

mypobox · mypobox

Im sorry if this is stupid but I cant seem to find much info on this. I dont want to make a mistake so I was looking for a simple how to showing the removal of the gas tank on my ttr250. Is there anything on here or can someone give me a quick list of steps. thank you very much. Im going to run a power line from the...

leigh · leigh

Oops. Nice weekend away riding, managed to find a huge rock in the grass after jumping up a bank. Hit the gear lever with it and turned that in to the letter Z and bent the gear shaft as well. Enough to leak oil. Gears all select ok and runs fine. Its got a fair bend in it. Had a crack at re-bending the shaft wi...

dogwheel · dogwheel

Hi, I've only had my TTR a couple of weeks, it came with no indicators but 3 fat manuals. I have some second-hand winkers on the way, and I have found the wiring connectors for them, but, on looking I can't find the flasher relay, nor any unexplained "orphan" loom connections, and none of the manuals ackn...

TimCC · TimCC

Four days into a trip of trail and dirt road riding my TTR went from sounding a little bit off to frighteningly loud knocking sounds from somewhere low in the engine. Now that summer is winding down I have had some time to pull the engine and start to tear it down. There was a lot more glitter in the oil than...

andyh · andyh

just a about done recommissioning 94 raid but side panel fixings ,2 to frame and 2 to rear of seat are missing in action - anyone know of type ( assume dzuz?) and the correct length/size? cheers

locky · locky

Anyone know the thread size of the bolts that hold the r/h footpeg bracket to the frame ? They forgot to mask these threads when powder coating and iv'e only got the bolts half way in.

benny579 · benny579

out of all the parts that are in my engine (bought it disassembled), this is the only bit I cant identify. My manual hasn't arrived and I havent seen it in the parts schematic. Any help would be greatly appreciated. Benny

Andy99 · Andy99

hi all. On my first trip out green laning (and falling off) it seems I've slightly bent a front fork making the steering off centre. is it advisable to have the fork leg straightened or will it always be a weak point now? are there forks from other bikes that'll fit or is there a popular upgrade? thanks in a...

Henry · Henry

Hi all. I just mounted new t301 tires on my ttr 250. Previously I had old almost square d off road tires. The new ones are more knobby but they feel funny. As if something is loose. I double checked that everything is torque d up. The feeling around corners is not as precise at with the old ones. Could this be...

leigh · leigh

Hi there, Wanting to replace the white vinyl stickers on the side covers and headlight surround Its been a hard year for the ttr and he needs some freshening up! Does anyone sell them? Do I need to make my own. If so what do people recommend and has anyone got any templates I can copy. Or do I need to make m...

thirty6 · thirty6

Hi All Hello from the frozen UK !993 import TTR250 i have owned it for 5 year+ and it has never ran right and till now has sat in the back of the shed. It has a high rpm missfire its okay for the first few minutes of warming up but once you drop the choke and it reaches operating temperature I get the most incred...

Lostboyscout · Lostboyscout

Hi all its stupid question time from a newbie i have just got myself a nice OE, but not knowing anything about set up or how they should feel. i have just ridden a blue and the forks are much softer than mine, how and what should I do to make my forks softer if anything ?? many thanks

RodYorkttr · RodYorkttr

OK people ..im back on grid and musing over the idea of a trip- with people I dont know...you! Sniper will be putting in an appearance-he will have a passport by then! What I'm looking for- 1.People happy to be filmed- it will be again released on Youtube 2.People prepared to have a go at something diff...

bakerlonglegs · bakerlonglegs

Hello peeps, I have a blue tank TTR 250 which I use for green laning with the Herts TRF. The green laning trips are about 70-80% road, 20-30% trails, with the trails a mix of gravel and muddy ruts. I currently have a Mitas C19 on the front and C02 on the back. I'm really struggling with the front tyre grip o...

TTRfan · TTRfan

I had an email from an owner with an interesting approach to replacing fork seals - see below:"I have just been busy fitting fork seals. You may not approve of my technique but I very simply remove the dust seal/fork seal retaining clip and attach a mini air compressor to the top valve. 200psi push...

66T · 66T

Hi all. After years and years (and years) of motorbiking and fiddling around with same, I find I'm still a noob. Some while ago, at about 70,000 km I replaced all the linkage bearings. When all is said and done, I eventually replaced the shock, as it was badly worn, and the suspension appeared not to be g...

Chimpy · Chimpy

Recently I've had a couple of starting problems, the first I have now fixed which was a faulty starter solenoid. My second starting fault is when starting from cold it fires up straight away as usual but pops and stalls. Today I began removal of the carb to give it a clean as I was assuming a dirty jet w...

TTRfan · TTRfan

Cripes - what a job that turned out to be Both bulbs on the number plate unit had blown. If one was still working I wouldn't have bothered doing the job. As is common on older TTRs that have been subject to mud etc, both nuts were fully seized on and weren't going to budge without special treatment I skim...

Markvan · Markvan

My tank has abit of play when straped to the frame. About half an inch or abit less. I would have thought its suppose to hold the tank more securely. The round rubber thats on the frame is in good nick. i can lift the rear of the tank when the straps on. Its as if the straps a tiny bit to long. Anyone else got move...

DD · DD

Hello everyone. Question is what are the dimension`s of starter`s o ring???? Mine is leaking oil a lot from there and need to replace it. Problem is that i live in Finland and the bike is in Greece.. :) so i can`t measure it. I`m leaving on wednesday to Greece and going to fix my Raid again. So if anyone kn...

locky · locky

Fit or not to fit. Do folk remove them for off roading and bypass it ?

j180 · j180

Not sure what they are called, the rubber bushes that you clip the plastic side panels into are falling to bits on my OE, had a look on Brian's site but didn't see them. One of the panels is moving about quite a bit so have used some tape as a bodge, don't want the clip to break off. Any help would be appreciate...

TTRfan · TTRfan

I stripped out a kickstart mechanism a long time ago that had damaged splines. The parts are all together waiting for a miracle "cure" and it was a miracle I found the tub of parts!I know we have some engineers on the forum and would be grateful for some advice on whether the splines might be re...

Topic		Started By	Replies	Views	Last Post
	could it be coil??? (Preview) After about 10 miles of riding I get missfires occasional back fire and wont tick over, could it be the coil	grandad	8	844	Feb 5, 2015 by ttboof
	Yellow goo in breather hose?? (Preview) Hello guys. My bike is a Raid 1996. Yesterday I opened the crankcase breather ( conical thing just to the left of the air filter) and saw yellow goo dripping out, looked like yellow mayonnaise. Is this a mixture of oil and water from the crankcase?? Should I be worried? Thanks ! -- Edited by TTRVN on Tues...	TTRVN	4	1182	Feb 4, 2015 by TTRVN
	Whats this ? (Diode in wiring loom near CDi - explanation now included) (Preview)	locky	18	5071	Feb 2, 2015 by petenz
	How much free play on a cam chain? (Preview) As per the title really, how much is ok when measured vertically in between cam gear's ? Been checking mine today to try and trace a noise after a top end rebuild. Video link to show mine below : TTR cam chain freeplay: http://youtu.be/o4xLjuALU-A For those who have knowledge of the inside of their m...	mike220	3	1337	Jan 28, 2015 by TTRfan
	Trail side USA TTR250 tire repair kit advice needed (Preview) I want to create and tire tube repair kit for when I'm in the middle of nowhere. So far this is the list of tools needed. 24mm wrench for rear Tube patch kit 2or3 tire levers 21inch spare tube (I've read it can be used in an emergency for the rear) Tire pump. I'm trying to figure out how small a tire pump I can...	mypobox	5	788	Jan 25, 2015 by dern
	Which Clutch? (Preview) Hi all, I'll keep it short and sweet, I'm tarting up the TTR now I have a CRM 250 to fill the void. While I'm doing it, I thought, seeing as the clutch is starting to slip a bit, I'll change the plates. Now, Brian sells two kits, EBC and Psychic, is the EBC worth the extra moolah? Will it last longer, I am quite...	Fladdem	2	586	Jan 24, 2015 by paulchucky
	Brake question. (Preview) I meant to ask a while back when i serviced the rear caliper during my rebuild. Whats the piston made from ?	locky	0	298	Jan 24, 2015 by locky
	Tank removal procedure ? (Preview) Im sorry if this is stupid but I cant seem to find much info on this. I dont want to make a mistake so I was looking for a simple how to showing the removal of the gas tank on my ttr250. Is there anything on here or can someone give me a quick list of steps. thank you very much. Im going to run a power line from the...	mypobox	2	1392	Jan 22, 2015 by mypobox
	Bent the gear selector shaft (Preview) Oops. Nice weekend away riding, managed to find a huge rock in the grass after jumping up a bank. Hit the gear lever with it and turned that in to the letter Z and bent the gear shaft as well. Enough to leak oil. Gears all select ok and runs fine. Its got a fair bend in it. Had a crack at re-bending the shaft wi...	leigh	9	1238	Jan 15, 2015 by mypobox
	Indicator or Flasher Relay on blue TTR250 (Preview) Hi, I've only had my TTR a couple of weeks, it came with no indicators but 3 fat manuals. I have some second-hand winkers on the way, and I have found the wiring connectors for them, but, on looking I can't find the flasher relay, nor any unexplained "orphan" loom connections, and none of the manuals ackn...	dogwheel	11	1994	Jan 13, 2015 by dogwheel
	Frightening knocking sound - bad crank bearing? (Preview) Four days into a trip of trail and dirt road riding my TTR went from sounding a little bit off to frighteningly loud knocking sounds from somewhere low in the engine. Now that summer is winding down I have had some time to pull the engine and start to tear it down. There was a lot more glitter in the oil than...	TimCC	3	2045	Jan 12, 2015 by TimCC
	94 raid side panel pins (Preview) just a about done recommissioning 94 raid but side panel fixings ,2 to frame and 2 to rear of seat are missing in action - anyone know of type ( assume dzuz?) and the correct length/size? cheers	andyh	2	619	Jan 12, 2015 by andyh
	Thread size ? (Preview) Anyone know the thread size of the bolts that hold the r/h footpeg bracket to the frame ? They forgot to mask these threads when powder coating and iv'e only got the bolts half way in.	locky	4	428	Jan 11, 2015 by locky
	Where does this go???? (Preview) out of all the parts that are in my engine (bought it disassembled), this is the only bit I cant identify. My manual hasn't arrived and I havent seen it in the parts schematic. Any help would be greatly appreciated. Benny	benny579	5	466	Jan 11, 2015 by Cubber
	Fork advice (Preview) hi all. On my first trip out green laning (and falling off) it seems I've slightly bent a front fork making the steering off centre. is it advisable to have the fork leg straightened or will it always be a weak point now? are there forks from other bikes that'll fit or is there a popular upgrade? thanks in a...	Andy99	4	599	Jan 8, 2015 by Andy99
	Need advice on new feel after mounting new tyres. (Preview) Hi all. I just mounted new t301 tires on my ttr 250. Previously I had old almost square d off road tires. The new ones are more knobby but they feel funny. As if something is loose. I double checked that everything is torque d up. The feeling around corners is not as precise at with the old ones. Could this be...	Henry	4	432	Jan 6, 2015 by Henry
	Freshening up the plastics (Preview) Hi there, Wanting to replace the white vinyl stickers on the side covers and headlight surround Its been a hard year for the ttr and he needs some freshening up! Does anyone sell them? Do I need to make my own. If so what do people recommend and has anyone got any templates I can copy. Or do I need to make m...	leigh	6	1089	Jan 4, 2015 by TTRfan
	high rpm missfire (Preview) Hi All Hello from the frozen UK !993 import TTR250 i have owned it for 5 year+ and it has never ran right and till now has sat in the back of the shed. It has a high rpm missfire its okay for the first few minutes of warming up but once you drop the choke and it reaches operating temperature I get the most incred...	thirty6	1	405	Jan 4, 2015 by hanzo
	Fork adjustment ! . .? (Preview) Hi all its stupid question time from a newbie i have just got myself a nice OE, but not knowing anything about set up or how they should feel. i have just ridden a blue and the forks are much softer than mine, how and what should I do to make my forks softer if anything ?? many thanks	Lostboyscout	3	2529	Jan 2, 2015 by mypobox
	Bike Trip 2015- anyone free??! (Preview) OK people ..im back on grid and musing over the idea of a trip- with people I dont know...you! Sniper will be putting in an appearance-he will have a passport by then! What I'm looking for- 1.People happy to be filmed- it will be again released on Youtube 2.People prepared to have a go at something diff...	RodYorkttr	5	1186	Dec 30, 2014 by locky
	Yet another tyres thread.... front for winter laning (Preview) Hello peeps, I have a blue tank TTR 250 which I use for green laning with the Herts TRF. The green laning trips are about 70-80% road, 20-30% trails, with the trails a mix of gravel and muddy ruts. I currently have a Mitas C19 on the front and C02 on the back. I'm really struggling with the front tyre grip o...	bakerlonglegs	7	1126	Dec 24, 2014 by petenz
	Replacing fork seals - an easy method? (Preview) I had an email from an owner with an interesting approach to replacing fork seals - see below:"I have just been busy fitting fork seals. You may not approve of my technique but I very simply remove the dust seal/fork seal retaining clip and attach a mini air compressor to the top valve. 200psi push...	TTRfan	3	1018	Dec 24, 2014 by TTRfan
	'Jamming' rear suspension (Preview) Hi all. After years and years (and years) of motorbiking and fiddling around with same, I find I'm still a noob. Some while ago, at about 70,000 km I replaced all the linkage bearings. When all is said and done, I eventually replaced the shock, as it was badly worn, and the suspension appeared not to be g...	66T	15	974	Dec 23, 2014 by 66T
	Starting/Inlet fault (Preview) Recently I've had a couple of starting problems, the first I have now fixed which was a faulty starter solenoid. My second starting fault is when starting from cold it fires up straight away as usual but pops and stalls. Today I began removal of the carb to give it a clean as I was assuming a dirty jet w...	Chimpy	3	510	Dec 21, 2014 by Chimpy
	Replacing the bulbs on the original TTR250 number plate light (Preview) Cripes - what a job that turned out to be Both bulbs on the number plate unit had blown. If one was still working I wouldn't have bothered doing the job. As is common on older TTRs that have been subject to mud etc, both nuts were fully seized on and weren't going to budge without special treatment I skim...	TTRfan	5	1406	Dec 18, 2014 by TTRfan
	Tank strap and tank movement. (Preview) My tank has abit of play when straped to the frame. About half an inch or abit less. I would have thought its suppose to hold the tank more securely. The round rubber thats on the frame is in good nick. i can lift the rear of the tank when the straps on. Its as if the straps a tiny bit to long. Anyone else got move...	Markvan	4	2310	Dec 14, 2014 by Cubber
	Help needed Starter`s o-ring??? (Preview) Hello everyone. Question is what are the dimension`s of starter`s o ring???? Mine is leaking oil a lot from there and need to replace it. Problem is that i live in Finland and the bike is in Greece.. :) so i can`t measure it. I`m leaving on wednesday to Greece and going to fix my Raid again. So if anyone kn...	DD	0	328	Dec 12, 2014 by DD
	Side stand switch. (Preview) Fit or not to fit. Do folk remove them for off roading and bypass it ?	locky	3	904	Dec 6, 2014 by locky
	Rubber bushes for panels ? (Preview) Not sure what they are called, the rubber bushes that you clip the plastic side panels into are falling to bits on my OE, had a look on Brian's site but didn't see them. One of the panels is moving about quite a bit so have used some tape as a bodge, don't want the clip to break off. Any help would be appreciate...	j180	3	875	Dec 6, 2014 by j180
	Engineering advice please? (Preview) I stripped out a kickstart mechanism a long time ago that had damaged splines. The parts are all together waiting for a miracle "cure" and it was a miracle I found the tub of parts!I know we have some engineers on the forum and would be grateful for some advice on whether the splines might be re...	TTRfan	10	960	Dec 4, 2014 by pug
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