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  1. Africa Twin
    Hi everybody, I am rebuilding front brakes and I need to change two out of four pistons, but I have trouble finding them in online shops where I usually get my stuff (german and austrian shops). Some have it for older models, some say that it is the same piston for older and newer models (I...
  2. XR
    hi i have an XR400 standard bike, i live in portugal and parts are hard to get, i am looking for piston ring set and top half gasket set with valve seals any idea where to get them in uk thanks kevin.:cool:
  3. XL
    does anyone know if a 83 xl250r cylinder and piston off a md03e engine will fit my 78 xl250s and could i use the 78 head on it
  4. Transalp
    My "front-end" saga continues with the discovery of seized brake caliper pistons and brittle caliper piston seals (that have been in there since 2001) Having never done this before.....Is this piston good for re-use? It seems to slide in and out of the bore ok, but looks a bit pitted/scored?
  5. Africa Twin
    Hello, I am looking for a pair of pistons ( 0.25) for my RD03. ( 13102-MN8-305 ) So far, all websites with OEM parts doesn't have it anymore. Maybe somebody can help me with some info. I already bought the 0.25 rings, and prepared the cylinders, all I need is the pistons. Thank you.
  6. Dominator / FMX
    I'm hoping to build a special dominator motor with a high compression piston - say 10.5:1 No problem I thought, as Wiseco do them for the XR650L - which is the same as the Dominator right? Does anyone know 100% for sure if this is true of all XR650L motors because the Wiseco catalogue does not...
  7. I'd like to introduce myself....................
    Ladies and Gentlemen, New member blackbirdflyer saying Hi to the Honda Trial Bike community. I am rebuilding a Honda XL 500R (1982) and hope that I can benefit from your collective expertise with the project. My machine has suffered a camshaft failure (ouch) and needs a full top end...
  8. Dominator / FMX
    Hi all. Just picked up a FMX 650 that’s had a replacement engine. It came with the old engine that’s got a shagged piston but apart from that it’s in good shape. I’m looking to buy a new piston and rebuild the old engine. My question is can I use the same diameter 100mm piston from the XR650L...
  9. Dominator / FMX
    Hello i'm planning to replace the piston rings , valve seals and sort the head along with replacing the timing chain set on my dommie. My question is , can all of that be done while the engine is in the frame?? thx
  10. XR
    My shiny new piston and rings have arrived but which ring goes to the top? There is no edge profile to worry about but one ring clearly has a shiny edge and the other is dull. There is no marking to indicate which is the top either. So lets have a group guess shall we?????? Many thanks. Ben...
  11. For Sale / Wanted
    Hi all My XR blew up in Southern Spain, I managed to get it back but I need a new engine really. Would be interested if anyone has a whole one or bits such as barrel, piston, left crankcase. Im in Hampshire but happy to travel or pay postage Pics and story at www.earthwindandtyres.com Ben
  12. XR Technical Specs
    Hi. Having had the piston disintegrate into the engine on my 2004 XR400 I am now looking at a fairly major rebuild. I am ok with that but I was wondering if all the XR400 engines are the same? It certainly would make finding all the parts easier. At this time I need a new barrel, 4 valves...
  13. Africa Twin
    Hi all! I’m restoring my RD03, I have just taking the entire bike apart and will start with the frame and engine. The engine was burning about 1L oil for 2,500km and most of the seals are leaking so I will replace all the seals and put some new piston rings in. My question to ye is what...
  14. XL
    I know it's a long shot but do you think this would work on an XL185? Piston 65.5mm Rings 250cc Big Bore Cylinder Kit for Honda ATC 200 XL200 223CM3 | eBay
  15. Dominator / FMX
    As I fitted a Wiseco hi-comp piston to my Dommie, and I'm considering exhaust options (XR headers, 2 into one, different silencers), I wondered about jetting, and also about 'Dave's mod' which I've seen mentioned a few times here but searches yield nothing. So, can anyone point me to 'Dave's...
  16. Africa Twin
    Hi All I am currently renovating my XRV 650 and I need new piston rings for it. Unfortunately I am having a very tough time finding a new set of these. The pistons are an oversize allready (I was told it was a 0.5 piston I measured the diameter, and it was 78.5 mm if this information has any...
  17. Africa Twin
    ihave replaced one seized piston all pistons push in with two screw drivers quite easy. also have replaced hoses with braided hoses. brakes are spongy and no braking power. you would be afraid to ride this bike. if i leave lever held in for a few hours lever becomes better. but then after a...
  18. Dominator / FMX
    Hi Guys, I have replaced the rear piston and seals on my Nissan caliper. I cant get the dam thing to work now. I have tried to bleed but it wont seem to? Any tips??
  19. Dominator / FMX
    Hello folks, me again :blob7::compress: Does anybody maybe know the correct dimensions of the Dommie piston rings in STD setup? (Inner diameter outer diameter and thickness of all three rings) Thanks! :thumbup::thumbup:
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