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Yamaha Workshop

Seek advice and share knowledge on motorcycle repairs, modifications, and troubleshooting, or learn from the expertise of fellow mechanics and enthusiasts.

  1. Started by BenP,

    Just out of curiosity recently my engine went bang as my big end bearing broke shattering the piston and damaging to much to fix so I've been looking for new engines and was wondering if a 2006 re engine would fit into the frame of a dt 125 r 1991 model

    • 0 replies
    • 607 views
  2. Started by JoeSene,

    Hello all, I came across this forum whilst searching for some help with my '81 XS250. Having ridden scooters for the past few years I thought it was time to make use of my full licence and finally get on to something with gears. I bought the XS just last Friday. The previous owner seemed very knowledgeable, had three old gleaming bikes sitting on his drive and a stack of paperwork relating to the XS. I meanwhile must have been displaying waterfalls behind my ears as I've had nothing but problems (in just six days!). Sadly I'm not very mechanically minded but the seller spent a lot of time talking me through various bits and pieces. He warned me, for example, that …

    • 5 replies
    • 2.1k views
  3. Started by dsb2014,

    i need of some advice yet again. i only have a day MOT on my bike never got a chance to buy a new loom wen i got it back off the police (a joy rider cut and hacked at the loom to get it running) they only had it for 2 hours. anyway it passed its MOT yesterday so i can use it for the summer. my mrs is naggng now that i need a bake light. my horns on but its run off my battery and theres nothing charging it. i have the haynes but im no good at wiring and carnt workout what wires charge or need to be connected

    • 4 replies
    • 837 views
  4. Started by KevtheRev,

    Hi there , does anyone know of brakes from a modern(ish) bike which could fit , or be made to fit , my LC without too much fannying about ? The originals are bunched !! Cheers in advance .

    • 0 replies
    • 499 views
  5. Started by kearnsy123,

    What is the best oil to use in my fz6 n 2006 non abs bike ?

    • 3 replies
    • 952 views
  6. Started by dsb2014,

    hi all not been on for a bit been working away. my dtr is running now as per my last post. wen i first got it the oil was creamy color so ive done a full rebuild and changed all seals and gaskets. i went for a ride out yesterday and come home to no coolant. ive undone the oil fill cap and notice creamy colored oil on the clutch so ive undone the oil drain plug to find its full with contaminated oil and the rest of my coolant. before i did the rebuild i did just replace the pump seal and then it was still the same this is wen iv done the rebuild so its had two water pump seals both were genuine thanks in advance guys

    • 11 replies
    • 1.8k views
  7. Hey guys! I'm having a few problems with my bike and was hoping some of you could help me out with a few answers. Currently I have a Yamaha YBR 125 with a busted cylinder, piston and cylinder head. Appearently one of the valves from the cylinder head had broken of and beat an actual hole in the piston! This is the second time in a year that i have had an engine breakdowm (I suspect it is because I bought a cheap china cylinder and piston). Now I'm considering to buy a big bore kit and a carb so I won't have to drive the bike so hard all the time. I heave heard that the yamaha ttr and the YBR has the excact same engine, so I think I'm going for a BBR 150ccm kit…

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    • 7 replies
    • 5.6k views
  8. Started by mcferreira100,

    Is this bike`s chain endless? I can`t find a master link..surely it can split, otherwise how do I get it out of the swingarm?

    • 2 replies
    • 688 views
  9. Started by viktormoto,

    Hi I have a problem with my SR125. I performed a repair, replacement, timing chain, valve repair and new pistons with rings. I have a problem with correct timing system. The crankshafts are three lines-three marks. Which is correct for the setting?

    • 0 replies
    • 2k views
  10. Started by dsb2014,

    might be a daft question but ive done my head in all day lol. ive changed my front caliper topped up the master undone the nipple pulled the lever tightened the nipple released the lever and so on and so all the time keeping the master topped up but no fluid comes out of the nipple. am i doing this right or do i need to carry on doing this til the fluid appears ????

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    • 14 replies
    • 1.7k views
  11. Started by slunge,

    Hi ALl been a few yrs since I last posted here (was on a 125 back then - now riding a 2010 XJ6 S). Took the rear wheel off for a tyre change last weekend (mission in its self!) - as I pulled out the rear axle, and took off the brake caliper / abs sensor, this clip dropped down to the floor. for the life of me, i cannot find any reference to it anywhere in the service manual or any diagrams!? Slightly worried as I have now reassembled the bike and everything seems fine - just hate having this spare without knowing what it is? One thing to note is, on the right hand side (brake/abs side) - the alighnement screws at the back of the swing arm, while tight and…

    • 4 replies
    • 968 views
  12. Started by eddie5856,

    Howdy, my rear shock has broken off at the bottom bracket and have tried to remove the rustified bolt by soaking in everything and belting the bejasus out of it. NOTHING. Any ideas please. Can any one tell me the cheapest place to buy parts for my bike. At the moment I need the bottom mounting bolt seals etc. Most of the sites on here eg Suttons are waaaaay too expensive. Regards Eddie

    • 2 replies
    • 975 views
  13. Hi I've been looking at the Haynes manual site and eBay for a hard copy of a service manual for the XVS125 Dragstar, but I can't even find the exsistence of such a manual! Does anyone know if a manual exists for the XVS125 and if so, where I can buy one? If it doesn't exist, is there a manual about for a similar bike (Virago?) that I can buy in it's place? This is all new to me and I'd like to know my bike better. Many thanks Mark

    • 8 replies
    • 11k views
  14. Started by Snakebite,

    Hi I left my bike out in wet and now lights all screwed up full beam stays on and when I use indicators headlight fades and all other lights do the same Can anyone help

    • 0 replies
    • 708 views
  15. Started by Grouch,

    The oil warning display keeps flashing on my speedo. The bike has done 1800 miles and had a service 800 miles ago. I topped the oil up yesterday and it keeps coming on. I can't understand why it keeps coming on.

    • 8 replies
    • 4.4k views
  16. subsequent to the battery running dry and over heating all bulbs on the bike blew apart from headlight and the rev counter stopped. Have replaced battery and all bulbs and now only the right hand front flasher fails and the rev counter and the right hand flash light on the console. Condition of indicator is good. Checked the litle bulb in the instrument console and looks ok. Right hand rear flashes fine but fast, left side perfect. Any ideas as due MOT. Also i understand rev counter not needed for mot but if i take off all the indicators i have to disconnect headlight and tail lamps, is this true?. Anyway i would rather fix it but running out of time,.. any sugestionss ve…

    • 7 replies
    • 2.6k views
  17. Started by kealii_87fz600,

    hi everyone! was wondering if anyone can help me here with my 1987 Yamaha fz600. I was riding a few days ago and my bike started to backfire and then started to loss speed and I tried downshifting to see if it would do anything but I just kept losing speed then the bike shut off. before that I had shut my bike off once and it started right up then I did it again after riding for 20 miles and shut it off again the tried to start it and it wouldn't start. battery died and had to jumpstart it. I started to ride it back home and that's when it started to backfire and loss power and had shut off. I towed the bike home to the battery out and acid levels where low. I had my…

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    • 10 replies
    • 2.2k views
  18. Started by jimmy,

    My boy tells me he went out to start his bike this weekend after the winter lay up. Bike only fired on the rear cylinder. It was running well when he put it in the shed. Now I plan to look at it today. Firstly I'll check for a spark then try and change the coils round before anything else but owt else I should be looking at

    • 2 replies
    • 683 views
  19. Started by mcferreira100,

    Carbs on this bike look same as my DT175..except there`s 2 of them. But are the float settings same as the DT? Carbs will be coming off soon for a clean and I need to check it.

    • 2 replies
    • 2.4k views
  20. Started by kyleriley007,

    hi iv just purchased a yamaha ybr 125 2007 and i was curious if the yamaha ybr 125 2012 fairing would fit it ?

    • 1 reply
    • 593 views