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Rear brakes

This is a discussion on Rear brakes within the X2/X4 Transmission & Drivetrain forums, part of the Yamaha Wolverine X2 & X4 847cc SxS category; All right brand new X2 260 miles now. Just was buttoning up the machine to get it ready for a trip and noticed the rear ...

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Thread: Rear brakes

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    Mountaineer 19Wherry's Avatar
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    Rear brakes

    All right brand new X2 260 miles now. Just was buttoning up the machine to get it ready for a trip and noticed the rear brakes we’re toast! Never seen anything like this so fast. Fronts are fine. Any help would be appreciated.
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    Mountaineer 19Wherry's Avatar
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    Only thing I noticed was when I pushed the pistons back in the master cylinder over flowed. Did they over fill it from factory or something. I’ve never touched the brakes or fluid

  3. #3
    Rocket
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    Must have been too tight and/or dragging a lot. Dealer should resolve this and replace the pads!!!
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    Mountaineer 19Wherry's Avatar
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    Not worried about the brake pads. Plus I don’t want to go back to the dealer again. Just got done fixing all the stuff they messed up. More worried on why the they would be dragging. Only thing I can think of is the resivor was full all the way to the top. They heated up, expanded and caused it to drag.

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    Super Moderator Rockit401's Avatar
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    Is it possible that the inner and outer pads were switched at the factory? Can they be put on backward?

  7. #6
    Evil Kenevil Budro2's Avatar
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    On a side note, could this be partially part of your top speed issue?
    MassiveOverkill and Rockit401 like this.
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  8. #7
    Cannon Ball jimclemjr's Avatar
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    I would look hard at the caliper mounting pins. Something is not right. The calipers are supposed to 'float' and if they get in a bind they will keep the pressure on the non-piston side pads. I trust that X units do not have a e brake on these calipers but I do not know.
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    Super Moderator MassiveOverkill's Avatar
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    Quote Originally Posted by Budro2 View Post
    On a side note, could this be partially part of your top speed issue?
    I'm betting so.
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    Cannon Ball jimclemjr's Avatar
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    Since I do not have a manual.....check and see if these new units have any kind of a progressive check valve for rear brakes. Theoretically some auto/truck brake systems were/are set for more pressure to be developed in front system before the rear comes in to play. Helps avoid rear end skids and better control. just a thought...……….
    2016 Wolverine R-spec EPS- Camo, , JBS CVT grind, 16 gr OD, Purple, slugs, JBS mudguards, Autometer Temp Gauge, SATV A-arms, Flip wshield, Auto tie rod ends, Dual batts/manual switch, ALS defeat, Method 14" B-locks, 27" 9 & 11Maxxis Vipr,4000 Moto Max winch, Yama trunk, 20" single row roof light bar, Rigid D pods on bumper, 3"rear cage lower, harness bar and 4 pt harnesses, JBS/Eibach springs, ACM doors, Lexan moonroof, Pyle rear cam

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    Billy Goat DWRAT's Avatar
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    Quote Originally Posted by MassiveOverkill View Post
    I'm betting so.
    If your brakes are dragging that hard wouldn't it be very noticeable?
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