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your thoughts on fastners/bolts to hold on disc rotor

Discussion in 'Suzuki 250cc In-line 4's' started by ozbiker, Nov 17, 2012.

  1. ozbiker

    ozbiker New Member Premium Member

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    i have a new front disc rotor to go on my GSX250F and i have no doubt it will be a real so-n-so to get the front bolts off the wheel after being in there for 21 years as the front rotor looks like its 21 years old and the sideways movement seems to indicate its stuffed.

    any idea what bolts i should use to hold the rotor on with, stainless, high tensile???

    socket head ?? or standard bolt??

    thoughts / ideas/ comments/ flames/ feedback appreciated.

    thanks
     
  2. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    If it was me I would re use the original bolts...if they arnt damaged or survive removal undamaged....I would think the originals would be of high quality.
    If not then i would attempt to source them as parts.

    I removed the rear disc on the Fizzer (to paint the wheel) and just used a pipe extension on the allen key and they came off just fine with a bit of gentle force.
    Ill be using the same bolts on reassembly with blue loctite and torqued to spec.

    :D
     
  3. risky

    risky risky

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    i would use originals if in good condition and if not go to bolt shop and buy high tensile ones. do not use stainless as it can be brittle and snap unexpectedly. stainless is as hard as high tensile [roughly] but is more prone to break and should not be used on suspension or brakes. use loctite or similar and torque to specifications using an opposite pattern of tightenning up. after all tight check tension again and repeat after first ride.any bolt holes that are loose  have them heli coiled. should do another 20 years. check your pads as some will wear the bejesus out of the disc.
     
  4. ozbiker

    ozbiker New Member Premium Member

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    thanks guys for the input.
    im not keen on the idea of using blue loctite (medium strength) im having a hard enough time to remove the bolts now.

    id rather use the pink loctitie (low strength)

    im going to abandon trying to remove and reuse the exiting bolts as i can see im going to completely destroy them getting them out.

    would it also be a good idea if when i get the new disc rotor fitted to drop in a new set of pads on the front as well??
     
  5. kiffsta

    kiffsta Senior Member

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    new pads are a must or will chew up your disk... the old bolts should come out easily once the locktite seal is broken, I have a hex T bar and I use a shifter to give some leverage and once the seal breaks, they come out easily.
    Where are you getting your disk from ?  The last disk I bought for an cross cam from metal gear, it was great quality
    http://metalgear.com.au/
     
  6. Phil

    Phil Senior Member Contributing Member

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    Hey ozbiker

    Here's another thought, take your wheel down to your local mechanic and he will remove for you with a pneumatic wrench. This way existing bolts can be re used. Nothing more to add as I concure with what other members have advised you already. Good luck with it mate.
     
  7. ozbiker

    ozbiker New Member Premium Member

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  8. risky

    risky risky

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    i cannot stress pad quality as crap pads will chew up any disc rotor. if your old rotor is not chewed up or down to minimum your local brake machinist should be able to machine but check cost against a new one.
     
  9. risky

    risky risky

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    forgot to add.... loctite will release with an air impact tool  OR heat. would not recommend heat on the alloy though. another handy way to help release is a wack on the bolt head with a hammer. the shock will ease the threads.a cheap loctite is superglue.
     
  10. Phil

    Phil Senior Member Contributing Member

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    Stand corrected, a rattle gun is what I meant. The set from bunnings is what we have and it works a treat.
    Your final comments are on the money, do it right as those brakes are absolutely vital to your survival.
    Recently did fit new pads to the gsf400, tokico brakes on the front have a steel pin for support of pads. These pins were rusted and stuck to top of the pads. Removed them and cleaned them up with the wire wheel, a touch of grease to allow free movement of pads when brakes are applied. The old pads showed nominal wear but totally uneven as a result of being stuck to pin.
    Brakes are performing brilliantly since then, very pleased.
                                                                  Phil
     
  11. ozbiker

    ozbiker New Member Premium Member

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    thanks guys for all the feedback i really appreciate it.i will save up some extra coin buy some extra tools etc and get it done right first time :Thumbs_up:
     
  12. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    You dont need fancy,expensive tools to remove bolts and nuts.

    Its all about leverage ...... the Fizzer was neglected and with plenty of 'rust" ....plus its 20+ years old.
    Ive had no problems removing subframe>frame bolts (which appeared to be factory "blue loctited"),disc bolts,header nuts,swingarm and suspension nuts etc etc.....and I have less than full strength due to work injuries.
    All I used were appropriate sized steel piping to extend the "handles" of the hex key or socket wrench.

    [​IMG]




    The only thing Ive bought for this purpose was this .....

    http://www.supercheapauto.com.au/online-store/products/SCA-Breaker-Bar-1-2-Drive-450mm.aspx?pid=215990#Description


    :wave:

    Ozbiker :  that hexkey/socket set would be good for using with a torque wrench for reassembly... :Thumbs_up:

    .....and let us know how u get on with the disc    :D
     
  13. ozbiker

    ozbiker New Member Premium Member

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    ah ha!!!

    thanks greyimport, thats some good info there :Thumbs_up:
     
  14. ozbiker

    ozbiker New Member Premium Member

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    i already have bought the new disc, i picked it up from ebay, brand new delivered to my door for under $100


    http://www.ebay.com.au/itm/250822931003?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649

    its sitting in my shed waiting for me to attach to the front wheel, after i finish wrestling the bolts from the old one.
     
  15. ozbiker

    ozbiker New Member Premium Member

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  16. PD186

    PD186 Member Premium Member

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    I have a set of the hex sockets and they are very usefull and makes torquing up the bolts on reassembly easy.

    A rattle gun is one of the best tools you can have as even well rusted bolts will give in with enough rattling. I have 2 in the shed a cheepy for every day use and a good one for those hard to loosen bolts. I also have a cordless one for work and it gets me out of trouble often. Actually I needed it today to get a fan blade off a motor with a stripped hub so there was no way to stop it turning when the bolt was removed.
    The other way of loosening bolts are soaking them in wd40 ect. heating them freezing them A good whack with the hammer and a impact driver.

    What ever you use make sure the socket hex or driver bit is the right size or you will cause yourself a lot of grief.
     
  17. ozbiker

    ozbiker New Member Premium Member

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    im giving the rotor and the bolts to the dealer im trading the soozookey in on a ninja 300, they can have the disc and the bolts and sort it them self.they are give me $700 for the across so they can have it
     
  18. Shimmy

    Shimmy Active Member Premium Member

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    Your Across would be worth a lot more than that if you sold it privately.
     
  19. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Yup...agreed...I thought the same..anything traded to any motor dealer is a loss

    The only advantage is its the easiest way and I think that ozbiker was keen to be rid of it  :laugh:

    But being a LAMS bike it would have sold easily.
     
  20. ozbiker

    ozbiker New Member Premium Member

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    your correct 100%

    however,  i know for a fact this across i bought sat for 7 weeks before i bought it.i dont have 7 weeks up my sleeve to stuff around.

    i doubt anyone will buy it when they find out they have to push start the bastard like i do every day to start it anyhow.

    besides, im over the across.i wont miss it.im glad to see it go and it has payed for the power commander 5 and switch as well on my new bike.
    had a good look at the front tyre today and its shagged too. its down to the wear bears so theres another $150 to be spent on it too.

    im tired of wasting my time on 2nd hand bikes.
     

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