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pistons
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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. 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?
  3. Africa Twin
    Hello, I have been reading the forum since years but that's my first post, so finally greetings everyone! My name is Orestis and this is my beloved and abused xrv: My bike's main modifications are: Boano Sachs 48mm fork, Nitron ntr pro shock, jetting/pump/air/exhaust, controls/levers etc...
  4. 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.
  5. XR
    Having refurbished my rear brake callipers on my 1996 XR250R, I though the front callipers would be the same ..... BUT alas not. I discovered phenolic pistons in the front callipers ? Am wondering if they’re worth re-using, as i’ve never come across phenolic pistons before and I was...
  6. Africa Twin
    Had a bit of a nightmare yesterday after installing new pistons reassembling the heads and getting the engine back in the frame quite nicely disaster struck. When torquing down the small 6mm bolt in the cylinder head it snapped like a bit of cheese. As usual this was the last bolt. To fit a...
  7. 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...
  8. Africa Twin
    Hello all ! This winter i want to rebuild my beloved AT as it already eats some oil - about 1l/1000km or so. I bought 8 years ago an complete engine with about 35.000 km, or so the seller told me. Anyway, i kept this engine in storage for 8 years and before i`ll put it on my bike i wanted to...
  9. Transalp
    After taking my calliper apart to clean the pistons and bores and to replace the seals I made the error of not taking photos of where the two clips/shims go !! I've ordered a manual but until it comes can anybody help? It's a twin piston calliper off a '93 transalp and there are two stainless...
  10. Chatter
    For those amongst you that like to have a tinker in the workshop over the cold winter months, how about making a lamp like this one I found on the interweb. As soon as I get a bit of spare cash, I think I will make a pair of them for myself and jnr as I have some old pistons lying around.;););)...
  11. For Sale / Wanted
    Hi, I'm in need of a front right brake caliper for AT RD07. Don't even need the pistons or bolts, just the "body" thanks
  12. Mechanical Advice
    Hi all this is one for the mechanics on here I recently bought e full set of front brake pistons for the TA when they arrived they appeared to be made of plastic probably phenolic with a steel cap there are no instructions with them so I have no idea which way round they should be fitted...
  13. 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...
  14. 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...
  15. For Sale / Wanted
    Excellent condition bike with just (35664) on the clock. Selling as I really need to make room in my garage. I Just replaced all the caliper pistons and seals last week. Replaced the 'terrible tiny' indicators with the original design units. Currently, the side stand light is not going out but...
  16. Transalp
    My front brakes are binding when the bikes on main stand,you can not feel it pushing the bike,theres new fluid,brakes are clean,new pads but was binding with old ones,pistons in both calipers move easy,retaining pins have just been cleaned and polished,ive done a process of elimimation and its...
  17. Transalp
    Afternoon and a Happy New Year to All, I've just replaced my pads and given the caliper a clean but think I will need to replace the pistons and seals soonish as mine had some corrosion on the pistons, they seem OK for now but are dragging a bit which will hopefully improve as they bed in but...
  18. Africa Twin
    About four years ago I converted my then, RD04 caliper with a set from a CBR 600F 1995. Apart from the hangers they were a direct fit. I'm trying to make the same conversion with my new RD04 and have just bought another set of the above caliper but they don't fit. The original calipers I...
  19. Africa Twin
    Hi I am new here I have just finish a full reconstruction of my AT 750 (i will try to upload some fotos).The engine has 32.000km it's from 2000 AT mine is 1995model. I want to ask a question if someone have milled the heads and if it's enough space between the head and the cylinder to do that...
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