The Bar

Hey all just changed my oil in my dt125r to the recommended amount in haynes but can not see any oil in the window is this normal?

So this is why compression is Low 90 psi, interesting how wear is on exhaust port side, Piston has welded to the rings anybody else had this happen, Obviosly going for rebore and piston kit etc.6500miles apparently that is about the time for first rebore according to Local Yam centre

Hi guys has anyone got any piston rins to fit an 03 engine cash waiting live in Northampton many thanks

Hello, I recently purchaced a 1999 DT 125 R. I have had it serviced and have had fresh tires and a new expansion pipe. The old one had been eaten through by rust and so was blowing. This is where the problem lies. I left the garage and allowed it time to warm up properly and took it for a spin. It lost all its low and medium end power and hits a powerband at around 8k revs. It feels slower and is difficult to keep in the power. I went on the dual carriageway to see if it would pull through each gear and see what it tops out at. The top speed went from 81 with the derestricted stock pipe down to 71 with the new exhaust. When I change into 6th gear from 5th at 10k rev…

hi all can anybody explain to me how the starter motor on a dt 125 r 2005 is wired up? just bought bike starter is mullered,but someone has wired starter to frame ..please help

Hi all Well with help from various members (Thank you all ), I have done a few things will start with the good . Removing reed switch and taping it up ( Good ) fitting 220 jet in Mikuni TM 28 carb ( good ),cleaning out Exhaust (decoke) good, adjusting needle in carb (good). The bad removing snorkle, made the bike overheat also a pig to start refitted starts first time now and ticks over a lot better. Fitting 240 jet in carb bike had no bottom end so fitted 220 jet much better. Have not gutted exhaust to remove plate as if required would rather get new exhaust jury still out on that one.will fit a iriduim spark plug soon as can get one on island ( apparently adds 2/3 h…

Hi there all i posted on here couple weeks ago about parts or spares for my 1989 dt tenere 125 after phoning fowlers in bristol i was even more surprised to find out the bloke i spoke to had never herd of one i phoned around a few other companies that ad on web and none have no or not herd of the bike .... can someone please shed some light on these bikes DO U HAVE ONE OR EVER SEEN ONE IN THE COUNTRY LOL I NEED HELP thanx john

Hi Guys, Got a new throttle/ oil pump cable from wemoto for the DTR, but when I put it on the bike the oil pump section seems way too long, doesn't even start to open the oil pump when the carb cable is fully tight, could I be fitting it wrong? There are not adjusters on the oil pump cable... Cheers

Hi. i have a 2001 dt 125 - first bike. i am new to bikes but have been a car mechanic for 10 years so playing with this a bit of fun as well as a learning process. the wiring on my bike has been cut about (to take basically all of the electrics off to make it into a motocross bike - by previous owner). it kicks over and starts / runs fine, however i have no operation of the power valve / servo. the power valve rotates and isnt siezed, cables are good, servo is in working order. therefore must be a wiring issue. i have a 3RM-20 cdi if that helps. and the ypvs servo is the five wire type, 4 in a connector and 1 with a bullet like connector. Looking for wiring diagrams for…

Hi new member here I have just had wheel hubs vapour blasted do I need to lacquer them or just leave alone you help would be appreciated ohh also how can I check build date via frame or engine numbers 1979 dt 125e twin shock regards Barry

i have dt mk1 can anybody tell me if a mk2 or mk3 exhaust will fit my bike its 1984 A reg running along the left side of bike

hey folks..any dt experts out there no if the thermostat its the same on r aswell as the re models?? looking for 1 but only can find a older1 second hand-(quiet expensive for what they are from yam dealer) but happy to pay a tenner for it second they do normally have a good life span dont they? cheers dtluke,

hey guys after my idiot of a mate decided to drop my bike the other night he scratched my rear pannel on the right hand side and the front mud gaurd and broke various parts and bent stuff. i have managed to replace my bars with a pair of renthals but i am in need of some pannles like i said the rear pannel on the right hand side and new front mud guard. if anyone could direct me to a new set of black panels that would be awesome thanks mop head

Hello all, Can any DT175 experts out there confirm what model my DT is. It is an american import and I think it is an E model. The frame and engine number are 2A7 025472. Cheers

Can anyone please help me with the gearbox on my DT. I can only get second gear.I have removed the clutch and taken a photo of the selector.There are 2 marks which line up on the drum and the shaft and another arrow. Should this line up with something ? Cheers I have tried to insert the photo,but am unable to.How do I do this.

I have an american import DT 175 E. Yamaha have confirmed that it a 1978 model. Did the american models have there lights on permanantley as on the left hand control there is only the horn,indicator and HI - Lo switch. There is only one position on the ignition ,on or off and there is no wiring on the harness for the usual sidelight. Please can anyone confirm this. Thank you.

I am having trouble kick starting and bumping my DT.so I have decided to check the timing,but this has baffled me. I connected my Clock (DTI) to the plug hole and found TDC. and set the clock to zero.I then rotated the flywheel clockwise until it was 2mm advanced on the clock.I then rotated the flywheel anti clockwise by 0.2 so that the clock read 1.8mm.At this point according to the Haynes manual the mark on the crankcase which I think is at about the one oclock position and just above the bolt which holds the plate on should line up the the middle of the 3 lines on the flywheel. I followed this procedure and the middle line on the flywheel was at about the ele…

Hello and thanks for taking the time to read and hopefully help. I have a Yamaha DT 175 that is running rough and when warmed up has Idle issues. When the engine is at maximum operating temperature, I have to keep adjusting the Idle from either (at times) being to high, or to low. It's hard to explain because its so erratic. For example, again when the engine is well up to operating temp and one backs off the Throttle (where earlier the idle had been set), the engines RPM (Or Idle) doesn't came back down to where it was set. So, I wind it back down.....then later, during the same ride, the Idle becomes to low when throttling off, an…

Hi guys I bought my DT as a winter commuter bike, Its being well used in all weathers, and I've clocked up over 280 miles already and I've only had it for 6 weeks. Now I'm looking at putting a rear rack on it for my works bag and chain etc, might even put a removeable topbox, but first i need a rack. I guess the chance of finding a new one specifically for the MX will be remote, nonetheless I thought I'd ask. Does anyone know if a another rack for another bike just happens to fit? or is it a case of make your own/DIY? or any other ideas. I found this photo on the net, i don't think it looks too bad at all. However, before anyone says don't do…

Hello All, Not sure if this has been discussed before, but has anyone fitted and run a Boost bottle on a DT 175 MX. I have a spare bottle from my DT 125 LC MK 1 and wondered if it was worth trying. Cheers