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Thread: Troubles continue.

  1. #1
    Baby Twin
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    Troubles continue.

    Well on my growing list of RSVR faults this happened yesterday.

    Was out for a ride early evening and had been going along a stretch of Dual carriageway at motorway speeds, came to the end and pulled off onto a country lane. As soon as I went to build up speed the whole bike vibrated and would not go above about 50mph, at the next safe point I pulled over but when slowing and changing down gear the rear wheel locked twice.
    Now I sat there for a minute and the bike ticked over so I tried pulling away and the bike was fine again, the really dangerous thing was the vibration must of been so violent that when I went to use the front brake the lever came back to the bar and I had no brakes. Pumping several times got some feel back but to get home one disc is now discoloured and a calliper vibrates.

    How can these models of bikes go from being great fun to trying to kill you for no reason.

  2. #2
    Baby Twin andreas's Avatar
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    Hi Olympic! Sounds like you have a seized (or nearly seized) brake piston(s) and/or a warped disc. You need expert help my friend . . .

  3. #3
    One Liter Duc Eater nikfubar's Avatar
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    Don't take this the wrong way but it's not the bike it's the way it's been looked after, Your front brake sounds like it's seized up & boiled your brake fluid have you fitted after market levers if these are fitted incorrectly ie: not enough play it can stop the fluid returning to the reservoir which heats up causing this problem, the same can happen to the rear brake if the lever is not adjusted correctly or if you rest your toes on it when riding.

  4. #4
    Baby Twin
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    That's ok, the bike has a full Aprilia main dealer service history and receipts for the most minor things. Also front calipers serviced 1 week ago, I took them of at weekend and had a look and all pistons are moving smoothly and corrosion free.
    You could eat your dinner off this bike it's been so well looked after, also no after market parts fitted anywhere.

    The brakes are one thing but they did not cause the rear wheel to like and engine to vibrate like it was going to crap itself, ridden it all over weekend and been fine since.

  5. #5
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    There are dealers and there are dealers. They rank from awful and shouldn't be in business to very good but if you have a siezing front caliper for a start i would be knocking on the door of whoever just "serviced" them because you have an overheating disk and that shouldn't happen if the calipers are good.

    I would also be checking the free play at the pushrod on the front brake and the rear brake too which can cause lock ons if not set correctly. The vibrating and lack of speed could well be the bike going into limp mode which drops the rev limiter to 3k and will cut the ignition if you try and go above it. A dealer with an axone/navigator can look at the stored error codes and check.

    As has been said most of these issues are not really generic to the brand of bike and some really suggest a maintenance issue (poor or lack of) dealer or not, clean or not. I would do yourself a favour and get yourself to Griff at AP or one one of his local to you service days before something bad happens. I am all for diy but start from a known baseline where someone with experience and a decent reputation on these bikes has given it a green light.

    It will likely save you money in the long run but considering the dangers of brake issues it could save a lot more than money.

  6. #6
    Baby Twin
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    Thanks for the replies, but have to say I already said the pistons in the callipers are not seized. There is no lack of maintenance and yes I agree there are dealers and then dealers, but the one I use seem to know how to service a bike or the national and world superbike teams they run seem to think so.

    Have to say the list of problems this bike has had since December I really would not of expected especially from one fitted with such high end parts, but alas it is going not keeping a bike that can not be trusted so people I got it from have agreed to have it back and sort all problems before I get it back. If they can't it was not fit for purpose and I can swap for another bike of similar value to already paid.

  7. #7
    Evil Twin Tifa's Avatar
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    Rear wheel lock up as you've decribed there is classic.
    As spoonz has said....it all points to the pushrods being out of adjustment. (too tight)
    Nobody is saying the calipers are siezed as such....but when those pushrods are adjusted too tightly, the heat build up will make those brakes lock themselves up...deffo.
    So if that haoppened to you, I suppose you could say they were siezed? No?
    As they cool down, if you're lucky they will unlock. If you are unlucky, you have to crack one of the banjos to lose the fluid pressure.
    How much free play do you actually have at the m/c's? Well worth checking this imho.
    The rear brake locking is bad enough, but if that front locks, it's a lot harder (usually impossible) to save.
    Last edited by Tifa; March 11th, 2014 at 06:41 AM.

  8. #8
    Baby Twin
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    The rear wheel lock up was not caused by the rear break, because I was not using the rear break at the time it came from the engine on down change.

    Brakes now checked by the dealer and also the disc is not warped so lucky there, but still the int engine issue that caused this problem in the first place not found.
    One last thing when finished riding to the dealer the hose that comes from the radiator on the left hand side as sat on the bike has started to leak past the clip holding the hose on.

  9. #9
    AMA Pit Boss redratbike's Avatar
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    At least the dealer are going to sort you out one way or another

    Is it a gen1 or gen 2

    You don't need to be using the break by the way if there is no free play set up on these they can jam..common issue on rsv's just lack of knowledge

  10. #10
    Baby Twin
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    Ok last time saying this, back break did not lock up the wheel did down to engine causing problem (gen2 by the way)

    So dealer has checked bike over and no brake problems and set up as per manufacturers specs, also no fault codes reported so the mystery continues.

    I do use a lot of front brake but have never ridden a bike where you don't need to use rear brake, some road conditions call for it.

  11. #11
    AMA Pit Boss redratbike's Avatar
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    OK I HEAR YA WE WONT MENTION THE REAR BRAKE AGAIN although as you say these dont really need back brake as they so much engine braking

    any way strange , wonder if it was anything to do with the throttle bodies not getting enough fuel ? intermittent faults are the worse to sort

  12. #12
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    You said that one front disc had turned blue from heat ?

    Under no normal braking circumstances would a disc do that so there had to have been a braking condition that overheated the disc no matter what the dealers says. It only gets that hot if the brake is on and if you weren't pulling it on then something else was !

    People are just trying to help ya fella but that is your one solid bit of evidence. To me you had a brake issue either by fault or you sub conciously dragging it etc. I have had my rear brake drag badly after the dealer fitted a new M/C and mis adjusted it and the bike behaved very similar to your description and got worse with speed until i stopped and let it cool. Other than me feeling the heat in the disc at the time there was no evidence after the event.

    Whether brakes was the sole cause of your problem that day, who knows but an overheated front disc is not normal nor is the lever coming to the bars. If it were me that is where my focus would be and if dealer A could not find an issue, i would go to dealer B for a second opinion.

  13. #13
    Baby Twin
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    Well end of week arrives and no answer to problems, so worst bike I have owned in over 25 years gone. Only owned since before Christmas and multiple faults, so replacement bike being picked up tomorrow.
    GSXR1000, Thought I would go back to common bike.

  14. #14
    Evil Twin Tifa's Avatar
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    And you're telling us this why?
    Despite you having owned your aprilia for just a few months, you persist to choose to ignore some very solid advice here. Most that have tried to help you here have several years aprilia experence. Good and bad. For all that, you respond to those that have tried to help you as if we don't know what we're talking about. One of the guys that has chipped in to help you has access to one of the best, if not the very best aprilia techs in the country. Your loss I guess, nothing worth having comes easy.
    Good luck with your suzuki.

  15. #15
    One Liter Duc Eater nikfubar's Avatar
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    Yeah probably a good idea bye

  16. #16
    AMA Pit Boss redratbike's Avatar
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    Quote Originally Posted by Olympic View Post
    Well end of week arrives and no answer to problems, so worst bike I have owned in over 25 years gone. Only owned since before Christmas and multiple faults, so replacement bike being picked up tomorrow.
    GSXR1000, Thought I would go back to common bike.
    some things are not meant to be

    we all mentioned the brakes as we all know that wrongly set up brakes cause issues ..even if you dont touch them ...

    have fun on the suzuki remember to put rim tape on yours to make it stand out from the rest

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