dunefreak Posted December 25, 2007 Share Posted December 25, 2007 As some of you already know the Raptor 660's have quite a bit of motor vibration. The other day when I went to go adjust my valves I noticed all 4 bolts were broken on the upper motor mount bracket to the frame. It might be a good idea to check yours before they break or, even worse, crack your frame from the extra vibration and movement when they come loose. If they are broke, it's not that hard of a task to extract them. They come out rather easy since only the heads of the bolts break off and the threads aren't tight. Tools needed to removed the broken bolts center punch 90 degree angle drill easy-out tool Here is what mine looked like. Quote Link to comment Share on other sites More sharing options...
mineurbiz Posted December 25, 2007 Share Posted December 25, 2007 We just had to do the same to one of our 660's and just like you it was when we were adjusting the valves. We noticed the one was broken so I ordered 4 new ones, we only replaced the broken one but wanted some spares. Quote Link to comment Share on other sites More sharing options...
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