Snapped lower yoke bolt. - SV650.org

DavieSV · 15-05-09, 06:44 PM

Just fidlin with the front forks & snapped a bottom yolk clamp bolt clean off

I felt some resistance so soaked in penitrating oil and tried to tease said bolt out. No joy

Just off to the garage now to try to repair it, may have to take bottom yolk out to machine the remainer out

yorkie_chris · 15-05-09, 06:46 PM

Bugger!

Take other side off, I think thread is all the way through. If so you should be able to get a drill in it and if it grabs it should wind the remainder through.

DavieSV · 15-05-09, 06:50 PM

Blind hole so need to go from the front
I have been meaning to buy some lefthanded drill bits for just this job, but never get round to it

15-05-09, 07:01 PM

Halfords (shiver) sell a nice set of screw extractors... just drill a bit of a hole into the sheared bolt and then use these and it'll pop right out, guaranteed!*

*this is not a guarantee

yorkie_chris · 15-05-09, 07:09 PM

Lol, only thing guaranteed is that the screw extractor is lots harder than drillbits. You will find this out when one snaps.

15-05-09, 09:16 PM

Quote:

Originally Posted by yorkie_chris

Lol, only thing guaranteed is that the screw extractor is lots harder than drillbits. You will find this out when one snaps.

Lots of hammering seems to make these work. If not drill + re-tap hole out is easiest option but make sure you drill + tap square unlike this thick idiot.

Richie · 15-05-09, 09:48 PM

Quote:

Originally Posted by yorkie_chris

Lol, only thing guaranteed is that the screw extractor is lots harder than drillbits. You will find this out when one snaps.

+1, here the lesson endouth..

what do you reckon to pigs tails (easyouts) ?

yorkie_chris · 15-05-09, 09:49 PM

Same problem.

Get a little micro gas torch, lots of penetrating oil, a set of left-hand drills and a tap and die set.

15-05-09, 10:57 PM

Don`t forget the PlusGas . I have a snapped bolt on my bike and when I get a nice day outside I am gonna do a "How To" on this with Pictures

Sid Squid · 16-05-09, 04:37 PM

Yolk - found in eggs.

Yoke - found holding the forks onto the frame of your bike, or across the shoulders of a horse or ox or similar.

15-05-09, 06:44 PM	#1
DavieSV Member Join Date: Nov 2005 Location: Ripley Derbyshire Posts: 596	Snapped lower yoke bolt. Just fidlin with the front forks & snapped a bottom yolk clamp bolt clean off I felt some resistance so soaked in penitrating oil and tried to tease said bolt out. No joy Just off to the garage now to try to repair it, may have to take bottom yolk out to machine the remainer out

15-05-09, 06:46 PM	#2
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: Snapped bolt!! Bugger! Take other side off, I think thread is all the way through. If so you should be able to get a drill in it and if it grabs it should wind the remainder through. __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

15-05-09, 06:50 PM	#3
DavieSV Member Join Date: Nov 2005 Location: Ripley Derbyshire Posts: 596	Re: Snapped bolt!! Blind hole so need to go from the front I have been meaning to buy some lefthanded drill bits for just this job, but never get round to it

15-05-09, 07:01 PM	#4
metalangel Guest Posts: n/a	Re: Snapped bolt!! Halfords (shiver) sell a nice set of screw extractors... just drill a bit of a hole into the sheared bolt and then use these and it'll pop right out, guaranteed!* *this is not a guarantee

15-05-09, 07:09 PM	#5
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: Snapped bolt!! Lol, only thing guaranteed is that the screw extractor is lots harder than drillbits. You will find this out when one snaps. __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

15-05-09, 09:49 PM	#8
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: Snapped bolt!! Same problem. Get a little micro gas torch, lots of penetrating oil, a set of left-hand drills and a tap and die set. __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

15-05-09, 10:57 PM	#9
xXBADGERXx Guest Posts: n/a	Re: Snapped bolt!! Don`t forget the PlusGas . I have a snapped bolt on my bike and when I get a nice day outside I am gonna do a "How To" on this with Pictures

16-05-09, 04:37 PM	#10
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Re: Snapped lower yoke bolt. Yolk - found in eggs. Yoke - found holding the forks onto the frame of your bike, or across the shoulders of a horse or ox or similar. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

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