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K&N air filter
(Preview)
I'm going to fit a K&N air filter on my TTR. Has anyone done this? - feedback would be appreciated if you have
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Big G
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4
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632
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All Balls carb repair kit
(Preview)
https://totallyttrs.com/epages/699105d9-e4cc-4b32-b236-84e72cd67f84.sf/en_GB/?ObjectPath=/Shops/699105d9-e4cc-4b32-b236-84e72cd67f84/Products/TTR-07...
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ttr steve
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13
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1900
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Air leak?
(Preview)
The bike has developed a bit of an issue today. It starts ok and idles with the choke off after warming up, without any problems. The trouble is anything more than 1/4 throttle and the revs don't rise and the engine splutters? It was dark and cold when this decided to happen, but luckily it happened just a...
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Dan-in-a-Van
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10
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1295
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Carburettor deep clean and rebuild
(Preview)
I am going to try and rebuild a carb to run and look as close as possible to new as I can. I am already into it 2-3 hours so it's gonna be a long job! The finishing touch will be to re-plate the rusty steel parts and get the same colour as on a new carb using the Zinc/Nickel Plating Kit from Gateros Plating. These...
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TTRfan
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14
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2990
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fuel screw o ring
(Preview)
Can someone give me dimensions on the fuel screw o-ring please?
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katana
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3
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663
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carb upgrade
(Preview)
I just started a TTR 250 restore transformation. !st was check the valves. Lots of incorrect information out there about the TTR 250 head. Its a YZ bucket and shim over valve under the cam, nice and simple, same shims as all the YZ and I would guess many road bikes. 5,000 unknown miles on my bike each v...
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sledman 1
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0
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1323
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bike starts then stops.
(Preview)
My blue ttr250 has been standing a long time. It would not start, checked the plug had sparks, so following the excellent guide removed the carburetor. I took the carb to be cleaned and asked about the state of it. I was told it was green and manky inside. Refitted the carb, replaced the plug. It wou...
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widge
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4
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1170
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I stripped my carb today
(Preview)
I stripped the carb today. Good news, I didn't break the float pin post. Bad news, the diaphragm is toast. Weird news, the pumper wouldn't have worked anyway. In stead of 2 o-rings, the in and out jets were blocked off by solid rubber rings. I wonder if it was disabled from the factory or whether som...
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katana
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8
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1899
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Petrol filter above float valve seat/needle - float valve filter
(Preview)
I refurbished a carb this morning and was surprised at just how much debris sat on top of the filter. It's a wonder the TTR ran
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TTRfan
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8
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15960
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Carb jetting fun!
(Preview)
This week I have mostly been fettling the spare carbs I put back for projects that I am not now going to do! The first two just needed cleaning up and testing and they both worked fine. The first is on 147-50 jetting and the second on 137-50. These jets were what were already fitted so I didn't need to pull t...
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TTRfan
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2
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1574
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Carb Rebuild--parts leftover!
(Preview)
http://ttr250.activeboard.com/t55374798/rebuilding-a-ttr250-teikei-y30p-carburettor/?page=1
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Toinky
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9
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2561
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TTR carb guru required
(Preview)
Hi,can anyone help with a problem I have with my TTR 250 its 2004 blue model very low milage. I bought it some time ago and with being stood most of its life it ran terrible when I first used it.I changed the fuel and give the carb a basic clean and if ran alot better but did have a slight bog down/hestitation...
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uncletooty
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12
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2104
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Jetting frustration
(Preview)
hi, spent the last few days reading posts and sticky's on jetting and given up so hopefully someone can guide me in the right direction. bike was stock open enduro and just given it a overhaul ready for some LDT's Later this year. I have trimmed the snorkel down to the minimum and fitted a FMF power core 4....
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Stephen craig
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0
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980
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Carb Gurus - Need Help
(Preview)
So.. having some trouble getting the carb running right with any kind of open exhaust. Bike is a 2005 Bluey, jetting is standard, 50 pilot and 147 main. Bike runs fine with a standard exhaust, no hesitation or blips and pulls right through the rev range. I've introduced both a motad exhaust (which runs...
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Moo
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5
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1288
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Open enduro carby jetting
(Preview)
Hey guys. I am taking the snorkel off my bike as I don't do deep water runs. I have also a barret aftermarket exhaust coming, so would a 52.5 pilot and 140 small round main be sweet for an uncorked and derestricted TTR?? I got this off a thumpertalk sticky, which is a sticky off the ttr250.com page. It sou...
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threshold
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11
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2210
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tuning on elevation
(Preview)
hello there ttr riders i need help on tuning my bike i live at 750m above sea level and need help on making my bike get the best power
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DANKWHEELIE420
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0
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646
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Carb slide sticking
(Preview)
My carb slide sticks up when you let the throttle out slowly my carb was out yesterday and I tightened the retention screws and it worked for a lil but it's back how it was
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Slick Nick
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6
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1461
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Jaguar Pro TTR 250 Carb?
(Preview)
https://www.amazon.com/Cable-Carbrettor-Accelerating-Yamaha-TTR250/dp/B06X...
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FBRConcepts
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4
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1616
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Carb Jets for mods on 2005 TTR 250
(Preview)
Hey Guys, I spent a few hours sifting through stickies and threads looking for information on jetting the carb on my fathers new bike for some mods we are getting ready to install. I am hoping to order some jet sizes that will get us dialed in before hand. Bike: 2005 TTR 250 US Model Elevation: Sea Leve...
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FBRConcepts
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0
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1026
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I love this website! - float post pin removal
(Preview)
Posting this here so others might see it, it you need to remove the float from your carby read the post below. Worked so easily for me and I'd been dreading the thought of ever needing to do it. Pin popped out in a few seconds and the same to put it back in. http://ttr250.activeboard.com/t61485128/re...
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leigh
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0
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747
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Has anyone removed an air box and just used a uni-filter / slip on foam filter direct to the carby?
(Preview)
Hi there, Has anyone removed there airbox and replaced there air filter with a foam air filter / Uni-Filter that goes staright on to the carby and what advantages/ disadvantages did it have ? I removed my original filter set up on a small engine Honda CRF and fitted a foam one and it made such a differenc...
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James from Oz
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4
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1742
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1/3 - WOT Issue
(Preview)
Hi Im having a bit of a mare getting my '06 blue OE dialled in right, I've scoured these pages plus some others but can't seem to find the answers so I'm reaching out... The bike is running stock exhaust and un-modded air box with stock filter. It came to me with 50 pilot and 147 main which I believe is stan...
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Gauguin
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8
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1288
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Carb troubles
(Preview)
hi just finished putting the carb back on my ttr 250 open enduro had a few problems before hand with what seemed to just be blocking up, so I've pulled the bowl off and given a good clean with carb cleaner and now it's back on it wants to idle really high on choke and then run for a little bit when the chokes pus...
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Pat
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2
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1103
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Carb problems
(Preview)
I recently purchased an 02 ttr250 that had been sitting for a couple years. It had an fmf exhaust and top of airbox cut up, but factory jets in carb. I replaced the exhaust and airbox with factory items then cleaned the carb. Had to replace all orings, accelerator pump diaphragm, needle and seat. The mix...
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haney4147
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4
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1389
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No carb on TTR I bought! Please any advice or tip will be greatly appreciated!
(Preview)
Hey guys i bought a ttr250 :) But it didnt have a carb on it :*( Ive read a bit amd shopped around the oem carb is to rich for me.. so ive turned to the tm33 mikuni. Is there a certain set of cables i should buy along with it? Anyone please help! Thank you!
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Jonduggar
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6
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8517
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Fuel injection kits - I wonder how well these work...?
(Preview)
https://www.aliexpress.com/item/microsquirt-II-based-EFI-motorcycle-Motorbike-Motocross-ATV-scooter-small-engine-Electronic-Fuel-Injection-kit/32786077851.html?spm=2114.01010208.3.2.8hQ9ft&ws_ab_test=searchweb0_0,sea...
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petenz
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3
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1412
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s/hand carb
(Preview)
i am going through my bike bits and have come across a spare ttr carb,good visual condition but not to sure about gaskets/diaphragm,no broken parts,everything moves freely etc, i got ages ago with a complete go-cart motor and forgot all about it,i have no use for it anymore.is it worth buying/fittin...
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admbnm
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4
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665
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Auto fuel taps
(Preview)
Ok I know alot of people don't like them, but what's the consensus on here? There was one fitted to my Super Sherpa and I liked it. Prime for 5 seconds, a little choke, turn the key, running engine... Turn engine off... Walk away with no worries. I'm also used to FI bikes and this fuel tap on the TTR has me co...
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mr_diver
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8
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962
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VM36? Skyteam Ace 125 with 315cc TTR engine conversion!
(Preview)
Hello all and Happy New Year, I'm fitting a TT-250R engine into another chassis . engine upgrade 325cc kit and Web camshafts. I have purchased a TM38 Carb/pump which was set up for an XR400 but the carb is physically very big and I'll have clearance problems. My question is do you think a VM36 carb would b...
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DonP
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14
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10923
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Choke problem.
(Preview)
Hello everyone! Question! I've got a 2000 ttr250 blue tank model. The problem I'm having is with the choke. When I initially start the bike, I pull the choke knob outward and start the bike. As soon as the bike is running, I push the knob in half way and let the bike warm up. Naturally the RPM is elevated...
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Tarbone
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3
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556
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