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STICKY:
Alternative carbs for the TTR250 - 32mm carb
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1 2
)
(Preview)
had enough of the TTR carb leaking fuel... Time to put the 32mm flat slide on... the carb is 12mm shorter the the TTR carb so will make a 12mm thick block to go between the head & manifold that will move the carb/manifold back 12mm to get the inlet into the air boot... put a 42 pilot & 50 main jet in it...
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petenz
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64
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67155
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STICKY:
Rebuilding a TTR250 Teikei Y30P Carburettor
(Preview)
http://ttr250.com/Carb/TTR250_carburettor_strip_and_rebuild_guide.htm
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TT-R250M
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43
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40308
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STICKY:
Carburettor - repairing a broken carburetor - float pin post and choke
(Preview)
Since it seems to be a common problem to break the float pin support mount on the TTR carburetors i thought i would add this simple fix to the problem.Thanks for reading, Cheers. The hole into the float pin support mount must be drilled on a slight angle so it does'nt hit the needle seat mount (pictured...
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barra8
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13
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30250
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STICKY:
Carburettor - main nozzle differences
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1 2
)
(Preview)
Hi to all . I have a 93 Japan grey import in Greece (yes we are still alive and kickin) and I looking to restore my carb. I have found this page for anyone who is intersted. My problem is that they list models from 1999 to 2006. For all the parts they show total compatibility to all years models, EXCEPT the mai...
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pantheman
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57
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62117
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STICKY:
Carburettor - pictorial guide to stripping and checking a carb
(Preview)
http://www.ttr250.com/Removing_carb/TTR_carb_removal.htm
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TTRfan
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21
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20801
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STICKY:
Freeing off a jammed choke
(Preview)
After breaking a couple of shafts (they are only made of brass) in the past trying to free a seized choke I decided to try a different approach today and it worked so I thought I would share it. I firstly took the top off the carb to see if there was any way of freeing it from inside but I don't believe there is...
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TTRfan
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6
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4125
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STICKY:
Removing and replacing the TTR250 carb video tutorials
(Preview)
I have tried my hand (Trish's actually!) at doing a couple of video tutorials to help owners removing and replacing their carb for the first time. I didn't really prepare properly so there is quite a bit of mumbling and senior "stuck for the words" moments so sorry about that! Here they are. In the first...
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TTRfan
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8
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3344
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STICKY:
Carb - jetting information
(Preview)
i am putting on new exhaust and with out taking out the carb to check if the pilot jet i need is a 52.5 is it long or short, and the 140 main i have seen in other post is small round. can someone help. its for a 2006 us 250. thanks
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nwrider
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44
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99234
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STICKY:
Carburettor removal and replacement
(Preview)
http://www.ttr250.com/Removing_carb/TTR_carb_removal.htm Also, there are a couple of tutorial videos showing removal and replacement of the carb here https://youtu.be/0k1EG1LuPBc and here https://youtu.be/Nlhl9aD9wHI
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TTRfan
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0
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2635
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STICKY:
Carburettor - replacing a damaged carb drain screw
(Preview)
The forum seems to replicate owners problems on my own bikes somehow This time the problem was a rounded out drain screw on a carb. I drilled out the damaged screw with a 3mm drill and then extracted it with a 3.5mm extractor. The new drain screw is part number 14T-14104-00 - available here Job done! B...
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TTRfan
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15
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32561
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Carb Problems
(Preview)
Hi I am talking about an 04 blue tank model bike that I have had for 12yrs so it is not new to me. I am reasonably ok with practical stuff rebuilt engines etc . So my problem started when I came to take thebike out after a longish 1yr year of no activity. Starts up fine ticks over fine will rev up if throttle is op...
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rogpreston
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4
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87
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Great Update Regarding Jets
(Preview)
Hey Everyone, I know there is a ton of info (and confusion) about jetting, size variances between manufacturers, and what part numbers are available in OEM. I've been emailing back and forth with Jetsrus.com, and let them know the Mikuni jets they show on their website as appropriate for the TTR are a...
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bbarfield
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3
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783
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Bike stalling and running rough
(Preview)
I'm not much of a mechanic but I can replace stuff, about 2 years ago I took this apart to restore and it kinda got stalled, and now I got a rebuilt kit and changed all the parts in the carb. But it's still running very rough,it smooths out for a sec but stalls right...
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oshanrube
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5
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359
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Leaky diaphragm cover
(Preview)
I've just completed a carb rebuild (with All Balls kit) but now have a leak from the diaphragm cover. I'm trying to avoid the expense of a new diaphragm so wondered if it also acts as a gasket, sealing against the cover? If it doesn't act as a gasket, then I assume replacing it isn't going to help. I've atta...
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DelBoy
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5
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198
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Choke not working correctly and bike stalling out after throttle
(Preview)
I will try and keep this a bit short... Bike: 2005 TTR250 - Aussie spec. Was doing some general cleaning on my Original carb that had done bugger all work from new (700km's) (it had a blocked pilot jet), ended up breaking the float tower off, had sourced a used carb. I believe this used carb is the 'older' s...
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Booki
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1
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353
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Float bowl check valve
(Preview)
Ok guys, I have tried to avoid asking this question as the answer should be obvious, but despite a thorough search of the forum, I cannot find the specific answer although the general problem is referred to a lot. How does one actually remove the float bowl check valve seat and needle from the carby whe...
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TTRtramp
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10
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582
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Part Throttle Misfire
(Preview)
Hi Folks, looks like my bike has developed a misfire on part throttle, the first part. Starts OK, always has and I’ve not had this before. I usually turn the fuel off and let the float bowl empty after a ride as the bike can stand for a while not being used. Not good, I know ! I had a look at the float bowl drain s...
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GzC59
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13
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624
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Fuel
(Preview)
Not exactly carb But what fuel are people using, is E10 OK in the long run.
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wobbly
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7
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387
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150 main jet
(Preview)
Hi, I ordered an all balls carb kit and a diaphragm for the accelerator pump from the marvellous Totally TTR's. My carb was dripping because some idiot( me ) put BP ultimate in it because the garage had just changed to E10 , So the rub is it was ultimate diesel So I stripped carb and replaced parts except f...
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650Katman
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1
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318
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Running rich no matter what. Stock jetting help please. Stumped
(Preview)
Need some help. Just got this bike on a trade. 03. Rebuilt the carb using all new parts with STOCK jetting sizes. Bike runs bad lean no matter what I do. Even with the airbox off. Black plug. Sooty pipe. Black smoke. I'm not a carb newb. Pulled it back off three times now to check things ...
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Bluebandit2g
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19
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569
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Where to buy carb slide?
(Preview)
New to me 2003 TTR250, the carb slide is sticking half way open periodically. After some reading I understand the coating on the side starts to fail, which is the likely cause of this? Does anyone know if I can just buy a new slide? If so, from where and what is the part number? Thanks, Ryan
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BigGreener
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2
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298
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Sanity check! Does screwing out the pilot screw richen or lean the mixture please??
(Preview)
Yeah - I know I should know but my brain isn't working this morning
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TTRfan
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15
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1390
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carb ????
(Preview)
Hello I am have a few problems with my TTR250. She's just reving high and because I haven't seen this carb before I'm confused.. basically when I got the bike running she was running high on revs and I couldn't found out how to adjust it to a nice pop pop pop. It's just reving above normal and getting hot qui...
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The TTR Kid
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6
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386
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Where can I find a new 2005 carburetor?
(Preview)
Hi so I need help I bought this TTR 250 from my brother and the carb is shot. Does anyone know where I can purchase a new one? I have searched every where and I am not willing to pay $400 for a new one. Any help is appreciated.
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Athenaacapella
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5
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539
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hello what is this screw
(Preview)
Hello could someone tell me what this little dial is at the bottom of my carb. It's on a thread and screws in and out. Located bottom left of carb in the photo. Thank you!
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Bob1973
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1
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367
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Carb drain/breather hose routing
(Preview)
Just purchased a 2004. Prev owner said bike has sat since 8/16. The bike will not start. After looking at the carb, one of the hoses is not connected. The hose on the left hand side is connected and the drain hose is also. However on the right side of the carbs hose is no where to be found. Any chance that is my...
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jball78
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12
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4249
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No Idle
(Preview)
Hi folks, bike runs perfect, but when it comes to idle, engine stops. Is ist the little wheel in front of the carb? Can i take it out and clean? Where is the idle jet? thanks!
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Gooki
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1
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331
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All Balls Carby repair kit
(Preview)
Its probably already been mentioned somewhere on here, but after purchasing the All Balls Carby rebuild kit, have to say i was pretty disappointed with it. Hadn't had the carb off since i got it. Theory being if it ain't broke, dont fix it. Was getting some minor over reving when coming to idle, so I th...
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Base
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9
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1081
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The Big Bore Carb Jetting Thread - 325 and 350cc
(Preview)
As there are a few 325s about, and the 350 kit is selling, I thought I should begin a thread about carb jetting for the big bore engines. Those of us who have been running the 325 for a while may have noticed they run a bit rich if the jetting is left standard. Sort of the opposite of what you might expect (coun...
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mossproof
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33
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1834
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Fitting a Mikuni TM32 and a TM33
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1 2
)
(Preview)
I have been in email conversation with Peter Gray of Wilderness Wheels Morocco. They run a small fleet of blue TTRs alongside their KTM 450 EXCs. Peter says they find the TTR to be a totally competent off road bike in Morocco and is his preference over the KTMs for a ride over the mountains. He has rece...
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TTRfan
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68
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32537
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