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Tank gas cap leakage
(Preview)
Hi, i would like to enlighten me in a strange issue : after light signs of cracks on tank cap rubber seal and leakage from the keylock barrel, gas cap of tank was changed on TTR '97. After the change, engine switched on and drive about 200m to garage with tank filled by 1/3. Petrol tap has turned off and bike...
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pavlos
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8
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2537
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New to me TTR250
(Preview)
I just purchased a 2001 TTR250 in California. Previous owner said it was originally from Colorado and hadn’t been ridden in about 20 years. That being said, anything I should take care of right now? Tires are old so I know I have to take care of that, carb was just cleaned. Also I heard these bikes come in m...
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Serj
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1
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1463
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Strange engine sound
(Preview)
Hi. Lately I hear a strange sound in the engine from my TTR250, it is a model from 2005 with over 30000km. One friend (a mechanic) said how it was probable the timing chain but I am not sure. I will try later put the sound here. Mostly I hear it more when the engine starts and it is not specially hot. If the timi...
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NomadaFirefox
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3
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1647
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Oil cooler information
(
1 2 3 4
)
(Preview)
Spotted this on a TTR sales site in China..does any one know if it will fit and is it an easy fit. It says it's a Piagio oil cooler - about 40 pounds... will it fit - any ideas? Daz
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Darren
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175
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201748
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Seat repairs
(Preview)
Hi all, My seat is missing all of the foam damper pads from the bottom. This means there is a lot of play in the seat when fitted and it rubs on the petrol tank (to the point that I had to get the tank welded as it had rusted through). Is there any specific type of foam / sponge that I should use to fit new dampers?...
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robject33
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0
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1312
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starter motor getting shredded
(Preview)
The gear on my starter motor got shredded. i replaced the sprague clutch, and the 1st gear attached to the starter...a reduction gear...it had some wear too... i put a new starter on there. It still has issues...i am starting to shred this new starter motor. I am wondering if anyone here has dealt with t...
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AdamPrinsenGeerligs
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6
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1316
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Bike tilting to the right when taking hands off
(Preview)
Hi, Apologies for the long post that follows. As the title says, my OE tilts to the right when taking hands off. It does so at all speeds and even when hands on, I still have to sit to the left side of the seat. As it's my only vehicle and I do long distances with it, it is pretty annoying and tiring having to ti...
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LowInertia
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3
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1363
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Exhaust bolt has no thread any more
(Preview)
Hi all I have a 1995 TTR250 with what looks like an exhaust from a 1994 and the bolt that holds the exhaust to the frame has gone missing because the thread is worn out, is this easy to repair by welding a nut in its place or could I tap a new thread in if there's enough meat? also can anyone identify this exhaus...
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Gabriel2fifD
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2
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1600
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Dreaded clunk . Plus kickstart locking up engine .
(Preview)
Hi all . Help please . 🙏 bike was running great trail riding at the weekend . Went to start to move up step in garden and it let out an awfull mechanical clunk . I tried to just turn over with kickstart and it was locked . Rocked bike and kick went down once then locked again . Stripped first cover off , all cogs i...
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rdchair
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19
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1867
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A good brand for a top end gasket kit
(Preview)
I need to buy a top end gasket kit for my 1995 TTR250 I have an oil leak somewhere is there any brands to stay away from because of bad quality I found one in my country and I see this brand "M.C.S" on eBay but I see other brands online, should I try to find an original Yamaha brand though probably more expensiv...
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Gabriel2fifD
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0
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601
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Valve guides replacement specialist
(Preview)
Hi any recommendations for someone to replace my valve guides ? Cheers . Uk and north preferred
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rdchair
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2
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1646
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Rear Shock Noise- Is this normal for a TTR?
(Preview)
After replacing the rebound bump stop on the rear shock and reassembling it, I noticed while pumping the rear shock up and down I hear a slight squeak and also what sounds like air rushing through a valve. Can anyone kindly tell me if this is a typical noise? The shock damping is fine and I can't discern an...
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DanH
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8
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1601
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Knowledgable enthusiast semi professional sought
(Preview)
Knowledgable enthusiast semi professional sought. Hi all, I'm looking for a keen amateur or part time semi professional TTR 250 mechanic for work on my engine. A very knowledgeable TTR guy, or lass, that has stripped and rebuilt the engines many times and really knows their way around one. I'm not...
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motofunknerd
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4
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1376
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Fork seals
(Preview)
At last a problem with the TTR, near side fork oil seal badly gone, looks a fairly straight forward job, just wondering best place to get the seals and what oil to use. and anything I should be aware of. thanks.
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wobbly
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8
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1600
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Clutch / ignition lockout switch disabling?
(Preview)
I managed to pull the switch end of the clutch / ignition lockout switch out of the lever assembly. And it wont go back in. Nah, she's stuffed, mate. Is there any method of disabling the clutch lockout? Otherwise, I'll just try & wire in something to hold the pin inside the cable in. Meaning the...
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tripodtiger
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5
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1638
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identification help please
(Preview)
I am currently building a 2004 TT250R engine but I am not sure what goes in the two holes pointed to in the attached picture. The holes are behind the clutch and the only picture I can find in on the TTR250 website and they look like rubber patches, the top one appears to have a smaller hole in it. My best gues...
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Dudley
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6
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965
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Continuing saga of PO55
(Preview)
I am in the process of putting the engine back together, having had the bore de glazed and new piston rings installed: the instructions indicate to fit an 'O' ring on the base of the cylinder and the new gasket below the 'O' ring. Is this correct; it doesn't feel like that will make a good seal! The 'o' ring...
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Susan Parker
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7
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1436
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Carb slightly leaking
(Preview)
Hello all. Just wondered if anyone had ever had a problem with a slight leak in the carb when standing and not even running. I think (not sure at all) it may be coming from the lid where you access the diaphragm (photo attached). I took the carb off and then tightened everything up. However, still leaki...
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MattPass
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4
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1598
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Rusted fuel tank
(Preview)
My fuel tank has rusted through from where the seat has been rubbing on it. Previous owner must have left it bare metal like that for quite a while and there are two holes on the one side. I've attacked it with a wire brush attachment and this is the result: What would you all recommend I do to fix this? I h...
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robject33
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2
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1310
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Speed indication wildly fluttering RAID magnet or sensor?
(Preview)
Just started a couple days ago, noted that my speed was fluttering by up to 20kph, now, wildly. I even saw it at 170kph today which is obviously impossible. Can some wise head advise, is this likely to be the magnet in process of breaking up or the sensor malfunctioning?
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Texas
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1
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1205
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LED indicator flasher relay 2004 blue tank
(Preview)
Good afternoon all i hope you are all well, i have a 2004 blue tanked ttr250 that came to me with LED indicators problem is they don't flash just stay on as a solid amber light has anyone got a link to a relay that is meant for LED winkers, I have tried the old post links but they are not active links anymore. ...
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MichaeltT
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3
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1467
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Flat
(Preview)
Checked the bike before a Friday ride tomorrow. And had a flat back tire . I can now say don't buy cheap tubes they perish .
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Ttboof
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5
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1098
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Crankshaft Assembly Replacement
(Preview)
After several years delay (!), I finally completed my sidelined top-end rebuild. All new parts (Wossner piston kit), all machine work sent out to a first-class machinist, 1mm over bore, new valves, cam sprockets, cam chain, etc. Set cam timing meticulously. Before reassembly, I checked the big-e...
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dlowenst
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7
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1047
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Engine cutting out & no restarting :0
(Preview)
Ok. My TTR has developed an annoying habit. It has cut out a dozen times at idle over the past few weeks, so I'm asking for ideas on what might be causing it. Today I took it for a 10-15 minute urban run at 30-40 mph, a 2 mile return trip up a dual carriage way at +60 mph, and finished off with start / stop, 1/4 mil...
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Dan-in-a-Van
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6
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1416
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Exhaust stud repair.
(Preview)
After doing the starter clutch & kick starter, I re-fitted the exhaust, as you do. Got the torque wrench onto the exhaust studs and it wouldn't tighten even on about 8 lb.ft. Oh well, **** happens. Any interim repair, other than helicoil? I have a spare head that I will have serviced and fit so I c...
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tripodtiger
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2
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961
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Where's all the oil going?
(Preview)
I am now the owner of PO55 OTS; and very happy with this lovely bike - apart from the mystery of the disappearing oil! There is no evidence of oil leaking, it does not smoke but at the end of every ride ( usually about 50 miles of gentle, Cornish lanes) I have to add at least 100ml of oil just to get the level vis...
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Susan Parker
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33
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1597
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Not starting
(Preview)
Hey all, My bike started running rough, bogging quite badly. Took it to a professional who said the rubber joint between the carb and engine neeeded replacing. Picked it up and it seemed to be running okay when I started it before leaving. Tried taking it out for a ride a couple of weeks later and it start...
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robject33
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2
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980
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Raid Frame Paint Code?
(Preview)
Hello gang, does anyone have a paint code for the frame paint for the GREY RAID FRAME, mines the green tanked mode. Even if‘s a close match it would be greatly appreciated. tia, Brad.
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Brighton Brad
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7
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1351
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Ulez Compliant?
(Preview)
Hi there, I see from the Gov.UK site that my 1999 TTR250 is not ULEZ (Ultra Low Emission Zone) compliant and hence will cost me £12.50 a ride the I get it going again. Just wondering if anyone (London based) has any experience of getting their bikes tested and then getting compliant some how??? Cheers,...
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MattPass
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4
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1380
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Front Wheel Bearings Replacement
(Preview)
Ive looked through some of the older threads and I cant seem to find anything on replacing the front wheel bearings. Does anyone have a guide for that project? Also the torque specs for the axle nut and pinch bolts. Any help would be greatly appreciated. Thank y'all in advanced as always.
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yamahalife
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13
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2040
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