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STICKY:
Carburettor - main nozzle differences
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1 2
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(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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56
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27870
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STICKY:
Carburettor - pictorial guide to stripping and checking a carb
(Preview)
There is advice on taking out the carb here 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 Totally TTRs sell a su...
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TTRfan
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2
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14015
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STICKY:
Rebuilding a TTR250 Teikei Y30P Carburettor
(Preview)
NB UPDATED VERSION WITH ALL THE PHOTOS HERE - http://ttr250.com/Carb/TTR250_carburettor_strip_and_rebuild_guide.htm First of all, I would like to warn you that this is a MASSIVE thread and it will take some reading. By the end of it, you should have learned all there is to know about rebuildin...
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TT-R250M
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40
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26478
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STICKY:
Alternative carbs for the TTR250 - 32mm carb
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1 2
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(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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61
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9826
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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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2078
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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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9
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21132
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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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674
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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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46524
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STICKY:
Carburettor removal and replacement
(Preview)
See 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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1601
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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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21918
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More carb woes
(Preview)
I went to start the bike after some time of it just sitting there. pulled out the choke and it fired up and reved like mad. pushed in the choke and it died. Tried it again and twisted the throttle stop to slow it down. Now will not start at all. I have got the carb off but before I take it to pieces anything...
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widge
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6
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134
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Carb issues
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1 2 3
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(Preview)
Hello all. I recently tore down my carb and cleaned it out because it had been sitting for a year and a half. I got it installed and put the bike back together, but when i turn on the pet****, gas comes out of both overflow lines. is it possible that i bent my floats?
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yamaha42
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145
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48335
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Carb inlet ‘plug’
(Preview)
My Carb inlet has a white plug in it, is this normal or has something been removed from the inlet?
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IanU
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3
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60
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Do not start after tipover
(Preview)
Google translator. I think it's a carburetor. After being tipped to the left (I have not topped the right one yet) I can not run the foot of the engine. I do not have an electric starter. It is only after about 15-20 minutes that the motor can be started. Such a mystery. What is going on? Thank you.
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tom13
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9
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458
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Engine stops on hard accelleration
(Preview)
Can't find this one anywhere in the 5 pages of carb posts so here goes... Bike has a very intermittent fault, will run perfectly for a long time then suddenly stops completely or misfires on mid/high throttle. The problem started after stripping the bike for frame paint and valve guide seals, but did...
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mmwain
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9
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454
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Float bowl check valve
(Preview)
Rebuilding a recently purchased used carb that was in quite a state and in checking the float bowl check valve (little top hat shaped brass thingy that seats into the bowl) found I couldn't blow air through it either way. Much soaking and prodding with a stick, then blowing the air line through it, and i...
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mossproof
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0
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138
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Throttle sticking HELP
(Preview)
So i just bought myself a 1999 ttr250 and everything works amazing, however the idle is high. I can fix this by giving it throttle real quick and letting off and then the idle goes down to normal. The cable doesnt seem to be sticking. Not entirely sure whats going on here. Theres a post on this forum that de...
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DECYPHERX
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24
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2033
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Do I need to re-jet for Pyrenees? Anyone been?!
(Preview)
Hi, Hopefully there's someone out there who's TTR'd the Pyrenees! Myself and a mate are going in a months time, both ride standard TTR250's, so the question is, will we need to re-jet? Going to be 10,000 feet max. Appreciate any help/light anyone can shed please. cheers, Tim
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ttrtim
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12
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920
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New muffler does carb need adjusting?
(Preview)
So, I put on a new muffler over the weekend and took the bike for a spin. Wow! More grunt! I feel like she has more torque now (able to change gears earlier at lower speeds). I am hearing a bit of backfire when decelerating at higher RPMs. I am unsure if this is because it is running lean or rich (haven't...
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Forgorin
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12
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616
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Bike without a carb
(Preview)
I recently inherited a 2004 ttr250 from a fellow firefighter who passed away. The bike was given to me without a carb. It is a project bike with intention of eventually making it street legal as a tribute bike to continue my buddies plan. I've looked to buy the teikei y30p but am unable to find one online....
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FFBeefcake
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1
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323
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Strange fuel level
(Preview)
Google translator. Hello. I installed a new original carburettor and kickstarter does not start. Is it possible in the new carburettor that the fuel level is bad?
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tom13
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5
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401
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Source for #52 pilot Jet
(Preview)
Anyone know where to get hold of one of these? Haven't had much luck with Mr Google. Cheers
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Benjah
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1
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264
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High Idle when RIDING.
(Preview)
Hi Guys, I thought i had my idle screw set right. When cold, fires up straight away, ocasonially use choke for a couple seconds. Idles fine, sounds fine not revving hard. Noticed tonight when i went for a ride, that coming into intersections/round abouts. Anytime i pulled the clutch in it seemed to be o...
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z1g
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38
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2395
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Mikuni pumper carbs
(Preview)
Found this article whilst pondering carb options for the 350 (sorry guys, still twiddling my thumbs waiting for Woessner to get their act together...) Contains a post from a certain TTRFAN. That you Brian? Does anyone have any further info? Think this TM33 pumper carb can be used on the DR350, whi...
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mossproof
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10
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857
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Choke raises idle
(Preview)
dumb question but is the choke suposed to significantly raise the RPMs?
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Rydasc6102
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2
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265
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High or sticking idle??
(Preview)
Hey all. New to the forum. I posted this over on Thumper Talk, and got no response, so I decided to make an account here. Its a 2005 US model. I got the bike last year. I did the basic stuff, took the baffle out of the pipe, rejetted, took the snorkel off of airbox, etc. That's when my problems started... ...
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OkieRider
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46
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2602
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Carb questions
(Preview)
I have three questions about my carb 1. Should it leak gas if the bike is on its side? 2. Should it stay running when it's on it's side? 3. When I do a coldstart should the bike cut out whenever I blip the throttle thanks.
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Rydasc6102
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7
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484
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Is my carb missing bits?
(Preview)
I've taken apart my carb to deal with some leakage and it has clearly been taken apart before. One of the float arms had been broken off and pinned back together. There is also no white plastic insert seen in the following pic. What purpose does the white plastic bit have and does it matter if it doesn't ha...
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Ether
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6
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366
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Yamaha Energy Induction System (YEIS) - boost bottle, air chamber, resonator
(Preview)
Ever wondered what the little black bottle plumbed into the TTR's air intake was supposed to do? I confess to having been ignorant until reading a review of the new Beta enduro bikes in the latest TBM magazine when the YEIS was mentioned. I did a search on t'internet and found some more information.Ap...
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TTRfan
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11
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8431
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When fuel is switched to the off position. NO fuel should leak right?
(Preview)
HI all, Chasing up a fuel leak. Have not had time to pull bits and pieces off the bike.... but. I have decided to run inline fuel filter *crazy kid* Put a brand new one (filter) on tonight, and noticed that even when fuel tap(peac o c k) was in the off position, fuel was coming out. I would not say, full flow, b...
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z1g
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3
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343
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