Anyone else ever have a frame slider/engine bolt snap? - Honda CBR1000 Forum : 1000RR.net
 
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post #1 of 6 Old 07-29-2019, 06:14 PM Thread Starter
bored&stroked
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Anyone else ever have a frame slider/engine bolt snap?

The left side frame slider bolt that threads into the engine on my 2015 seems to have randomly snapped off on my ride to work. Slider and most of the bolt are gone, threaded part of the bolt is still in the engine. I've been riding 12yrs and never seen this happen even as a service writer. Pretty annoying, chances are good I'll end up pulling the engine to get the dang thing out. Anyone else ever see this happen? No tip over, no crash. Just broke off on its own.

'06 F4i: racetech front springs+valves, ohlins rear shock, steel brake lines, 'mura slipon, 88K miles
'08 600RR- steel brake lines, shorty brake lever. Stripped track bike.
'15 1000RR- Flapper mod, 08-11 gauge swap, hotbodies fender eliminator
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post #2 of 6 Old 07-30-2019, 05:40 AM
Liquid_IQ
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I seen it happen under rare circumstances (other models of motorcycle) from a crash, but never spontaneously. Maybe a defective bolt, and enough vibration and heat cycles under tension caused it to fail.

Good thing it didn't happen in a crash, would have been useless.

Is there no way to drill and use an easy-out on that bolt? Just getting the fairings off is a PITA, can't imagine pulling the engine.
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post #3 of 6 Old 07-30-2019, 12:31 PM
capt.america
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5 pack of Craftman easy outs are $10.00 at Lowes.
Drill the necessary pilot hole and back the screw out.

ps..... If the bolt is thru the frame and into the motor you won't be able to get the motor out anyway.
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post #4 of 6 Old 07-30-2019, 04:03 PM Thread Starter
bored&stroked
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Quote:
Originally Posted by capt.america View Post
ps..... If the bolt is thru the frame and into the motor you won't be able to get the motor out anyway.
Huh....hadn't thought about that haha. But it looks like it snapped right where the frame and engine meet. Also looks like the engine mount hole is slightly
off from the frame hole making backing the bolt out much harder. Of course I'll try first, but like I said I see it going badly because thats how my luck usually goes. This did happen about 3 weeks after reinstalling the bolt after pulling the fairings for my gauge swap. Wonder if the couple remove/installs are what did it. Shouldn't be, but then again this shouldn't have happened either.

'06 F4i: racetech front springs+valves, ohlins rear shock, steel brake lines, 'mura slipon, 88K miles
'08 600RR- steel brake lines, shorty brake lever. Stripped track bike.
'15 1000RR- Flapper mod, 08-11 gauge swap, hotbodies fender eliminator
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post #5 of 6 Old 07-30-2019, 04:18 PM
TedEbear
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A floor jack might help in getting the engine hole and frame hole lined back up to use the easy out.
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post #6 of 6 Old 08-01-2019, 05:30 AM
peterj59
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you probably didnt have the frame hole and engine hole aligned when you torqued it down causing the bolt to shear, use a floor jack and be careful
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