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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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16
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37072
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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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22
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24629
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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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74846
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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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46784
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STICKY:
Carburettor - repairing a broken carburetor - float pin post and choke
(Preview)
EDIT BY BRIAN - SEE http://www.ttr250.com/Floatpost/TTR_float_post_repair.htm FOR AN UPDATED REPAIR GUIDE!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 ho...
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barra8
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13
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34191
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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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71269
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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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5401
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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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6288
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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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109163
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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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3278
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Carb repair and maintenance
(Preview)
Steve keeps most (if not all!) TTR carb parts in stock in the Totally TTRs online shop, including some second-hand jets, etc. - see here He also carries a wide range of used parts - see here If you are after parts that are not in the shop, contact Steve for availability and price. He is able to get nearly ev...
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TTRfan
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0
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269
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Mystery main jet!
(Preview)
I have just come across one of these jets in my carb spares box! Anyone recognise it and know what it is please?It is stamped 147. Is it safe to assume it is a direct replacement for a standard 147 main jet? Brian
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TTRfan
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0
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238
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Bike cutting out when backing off from full throttle
(Preview)
Bike runs well, except when at full throttle & I back off, the bike cuts out for a second & then surges on again… cheers!
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Rtw1day
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0
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229
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Need some guidance
(Preview)
I have a 2008 ttr110.. bike has 102 hrs on it..motor is 100% stock. I had some carb issues with the stock carb so I purchased a mikuni vm26. Bike kicks off on first kick without having to use choke. I worked on the Jetting for 8 hours, New Plug ,New Gas (Non-Ethanol) tried a different Carb, Different Needl...
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Templet2
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2
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748
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Choke not working - blockage in float bowl feed
(Preview)
Long story short. Choke wouldn't work on a carb I am setting up. Everything else was fine once the bike started and warmed up but it was very reluctant to start. Took float bowl off and checked the choke and its galleries on the main body of the carb. All looked and worked as they should. It turned out that t...
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TTRfan
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0
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258
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Coughing and spluttering
(Preview)
Good morning all, Having purchased a TTR250 beginning of this month today was the first ride, now before i go any further all i have done is replaced the stock exhaust with a Totally TTR's Phoenix full exhaust system that from reading to description does not require any re-jetting so is designed to be...
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MichaeltT
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4
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419
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Surging at part throttle, air leak?
(Preview)
Hi all, got my 1994 OE out of winter slumber & it has a sort of surge or uneven running at low/part throttle. Fresh fuel, well warmed up, pulls cleanly(ish) through rev range, ticks over fine. I've had this problem before & nver got to the bottom of it. Bike has snorkel mod, shorty header & ex...
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Bran
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2
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711
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Australian Model 147 main jet as stock???
(Preview)
Hi from Australia I just scored myself a GYTR exhaust & Am going to a rejet after installing & opening the airbox i pulled a carb apart planning on upping the jetting from 50 to 52.5 for the pilot, & from 137 to 140 but upon disassembl, I found the stock from new I believe, to have 50 pilot &a...
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Rtw1day
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6
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1329
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High or sticking idle??
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1 2
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(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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56
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6795
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Accelerator Pump Nozzle alignment
(Preview)
Hi All, first post and being this forum has been a great help in information i am hoping someone can help me out. I have scored a 2005 TTR that by the looks has not been started for over 10 years, and i have had some interesting challenges getting the bike up and running. Carb was totally full and blocked wit...
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Nic_B
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1
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715
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Carb driving me mad!!
(Preview)
Hi, recently bought a 1998 TTR 250, been stood around for a few years. Its developed a carb issue very quickly which is driving me mad, so hoping someone can help! A little diagnostic history...... After getting her home she started up first time and runs really sweet. So after checking her over I took h...
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Lazza
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4
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771
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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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11
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952
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Carb Air Screw
(Preview)
I am a new member who recently purchased a 2006 TT250R. I also purchased a new GYTR exhaust thinking (and K&N filter) it would just be a simple slip on no tuning process (same as my KLR with my Yoshimura & K&N). Unfortunately, I have found out that the exhaust is super loud and also snap, crac...
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Mt6708
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6
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951
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Carb float problem
(Preview)
Has anyone come across a non-floating cab float...??? Finished a carb rebuild a few months ago, put it all back together and fired it up without a problem. Just come to check it over pre MoT and running (just) pants and carb flooding. Stripped out the carb again, checked float needle for debris but all c...
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Riverside
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2
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719
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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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1520
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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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1028
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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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980
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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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1069
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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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1428
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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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1356
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