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  1. Steamchick

    Brake bleeding issue

    Just pushing the pistons right in does not expel everything. A bit like flushing the loo with a coffee cup of water. It dilutes the existing stuff, but does NOT flush it out completely. And I was surprised how much corrosion existed on all my pistons, which would damage the seals - so had to...
  2. Steamchick

    Brake bleeding issue

    Xtron 99. I would expect (as the mathematics tell me) that the front brake would have about twice the "braking force" with twice the callipers attached. You have essentially double the mechanical advantage of the system. Which incidentally halves the velocity ratio, meaning you use twice the...
  3. Steamchick

    Brake bleeding issue

    Looks like the standard V50 Master cylinder is 13mm dia, the Honda is 12mm dia so Mechanical advantage goes from 10.65 to 12.5-ish... a 20% improvement in brake effort per finger pull, but 20% more stroke required.... (But should be practical?). Any thoughts?
  4. Steamchick

    Brake bleeding issue

    Thanks for the advice people, I had a chat with another mate who said he understood the "cure" to be fitting a Honda brake lever with reservoir and Master cylinder, and direct hydraulic to the independent front disc. But which one...? They all have different diameter master pistons, which...
  5. Steamchick

    Brake bleeding issue

    Checked the packaging on my new brake pads = Kyoto. Is that a good brand? The parts look OK but that really means nothing. After a little bedding-in, the brakes feel the same as with the previous Ferodo pads.... I figured perhaps the lack-of- "bite" that I am missing may possibly be due to the...
  6. Steamchick

    Brake bleeding issue

    I let a friend have a go around the streets today. He only used the pedal linked brakes but said they were everything he expected compared to another mates V50... Didn't think they were "poor" at all. Just nice and progressive. So maybe it is me...? - I just need re-calibrating! Thanks for the...
  7. Steamchick

    Brake bleeding issue

    I have always used Ferodo pads - the "best name" known to me... but as Brembo, EBC and Ferodo pads were not available I bought some unpronounceable Japanese branded pads. Just as good as the previous Ferodo pads after very little bedding-in. I haven't checked contact surfaces yet, but that...
  8. Steamchick

    Brake bleeding issue

    On Brake performance. Having just serviced my brakes, and fitted new pads, the performance is "as good as ever", but the V50 was never praised for high performance brakes. Indeed, for comparison, my 1980 Yamaha 350LC was superb and could "howl" the front tyre without too much pressure on the...
  9. Steamchick

    Brake bleeding issue

    Recently, I changed the fluid on my 1979 V50II... but found the outer dust seals on the callipers were split - probably from over 40 years of life, the guarantee had expired? So having ordered replacement seal kits, dismantled the callipers and found lots of rust inside from the water dissolved...
  10. Steamchick

    V50II carb settings - or possible upgrade?

    Hi Paul: To reduce emissions from the breather, it is modern practice to take these throigh the engine and burn any hydrocarbons... The huge amount of air for normal running versus the blow-by gas volume means you only need a small hole (maybe 1mm?) from the intake to the breather to take in...
  11. Steamchick

    V50II carb settings - or possible upgrade?

    Hi Simon, Thanks for your tale. Interesting how you have used a 16% smaller idle jet, 42 from 50, but 20% "richer" slides, 40 from 50 - probably necessary to compensate for the smaller Idle jet? In my case, the bike is so rich in the "slide affected" region, that I am gradually opening it to...
  12. Steamchick

    V50II carb settings - or possible upgrade?

    Hi gents. So I milled 0.5mm off my slides (filter side), so now they are "45's"... Checked with Colour-tune plug - after resetting tick-over - and still lots of yellow flame as soon as the slides are lifted... But (may be a false improvement?) the tick-over is now better than I can remember for...
  13. Steamchick

    V50II carb settings - or possible upgrade?

    I'll try one in my milling machine - 0.5 mm at a time, then do the second one to suit... Thanks, Ken
  14. Steamchick

    V50II carb settings - or possible upgrade?

    Hi paul Brice... I had a misfire problem for a couple of weeks - chased everything (different bit each day) until I replaced the plug cap - and found the fault! Meanwhile, due to sometimes prolonged running as a single (more than a second or 2) it wore the rings to a 40 thou gap! - fuel wash...
  15. Steamchick

    V50II carb settings - or possible upgrade?

    Thanks Steve, But I have checked compression, valve clearances, timing, advance/retard, etc. and all the colour-tune and riding issues fall down to the change of use to congested town use - that I didn't do a loy of previously - where I am just feathering between idle (closed throttle) and...
  16. Steamchick

    V50II carb settings - or possible upgrade?

    Thanks guys, First, it certainly is not needle. I tried altering that and it affects other things, but not the zone just after "lift-off" from idle. And reading all the carb advice in books (including the Del Orto stuff - but mostly related to later carbvs and not the VHB set-up from 40 years...
  17. Steamchick

    V50II carb settings - or possible upgrade?

    Hi all... I'm new to this chat-line so forgive me for having "zero" background. - My assumptions are all probably off-target? Also, I couldn't find a "Model specific" V50II sub-site...? - Any suggestions? I have owned a V50II for 23 years... used small-time for commuting and local trips... but...
  18. Steamchick

    1979 v50ii engine died on freeway, wont start. help please!

    If you are sure your mechanic is right about the bearing shells having done something nasty.... then I guess it is only in need of a crank re-grind and new shells. - My guess is the oil ways all need to be flushed-out, new oil filters - and I'd fit new seals as well because it is better to have...
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