Posted by Mike W. on October 7, 2008, 12:48 pm
I'm about to button up one of my KZP's valve covers. It's amazing how
vulnerable the threads up there are. On this bike, it's my first time in it
ever though I've been in/out of the other numerous times. I had to do, I
think 5 helicoil jobs on compromised threads and fortunately those were all
at the outboard parts of the valve cover where I could easily get at them
from above with a drill.
Unfortunately, there is one that, while not in total failure, just looks
like crap. It's positioned such that the backbone of the bike does not let
a conventional drill fit.
Question #1: Any suggestions I should be aware of for drilling out the hole
in this application?
I'm considering just stripping the crap out of that hole with a bolt (it's
not hard!) and putting the helicoil insert into that hole. Is there
anything less primitive?
Question #2: I've heard a time or two about a thread repair system called
Timeserts. Can anyone give me their third-party comparison of the two
solutions? Thanks.
Mike
--
Mike W.
96 XR400
99 KZ1000P
70 CT70
71 KG 100 (Hodaka-powered)
Posted by Neil T. Dantam on October 7, 2008, 1:01 pm
Mike W. wrote:
> It's positioned such that the backbone of the bike does not let a
> conventional drill fit.
>
> Question #1: Any suggestions I should be aware of for drilling out
> the hole in this application?
Would a right angle drill work?
Examples:
http://www.acehardware.com/product/index.jsp?productId )67892
(Amazon.com product link shortened)
Posted by lugnut on October 7, 2008, 1:14 pm
>I'm about to button up one of my KZP's valve covers. It's amazing how
>vulnerable the threads up there are. On this bike, it's my first time in it
>ever though I've been in/out of the other numerous times. I had to do, I
>think 5 helicoil jobs on compromised threads and fortunately those were all
>at the outboard parts of the valve cover where I could easily get at them
>from above with a drill.
>Unfortunately, there is one that, while not in total failure, just looks
>like crap. It's positioned such that the backbone of the bike does not let
>a conventional drill fit.
>Question #1: Any suggestions I should be aware of for drilling out the hole
>in this application?
>I'm considering just stripping the crap out of that hole with a bolt (it's
>not hard!) and putting the helicoil insert into that hole. Is there
>anything less primitive?
>Question #2: I've heard a time or two about a thread repair system called
>Timeserts. Can anyone give me their third-party comparison of the two
>solutions? Thanks.
>Mike
I don't know which one your are working on with yours but, if the hole is not
exactly under the frame tube but can be seen when looking straight at it from
above, you may be able to use a bit extension bar. It is like a socket
extension and holds the bit with a pair of allen set screws. I got one at Home
Depot some years ago. Use that to drill it to the correct size. The tap may
have the correct size for a ratcheting wrench like the ones used on battery side
terminals.
Lugnut
Posted by lugnut on October 7, 2008, 1:16 pm
>I'm about to button up one of my KZP's valve covers. It's amazing how
>vulnerable the threads up there are. On this bike, it's my first time in it
>ever though I've been in/out of the other numerous times. I had to do, I
>think 5 helicoil jobs on compromised threads and fortunately those were all
>at the outboard parts of the valve cover where I could easily get at them
>from above with a drill.
>Unfortunately, there is one that, while not in total failure, just looks
>like crap. It's positioned such that the backbone of the bike does not let
>a conventional drill fit.
>Question #1: Any suggestions I should be aware of for drilling out the hole
>in this application?
>I'm considering just stripping the crap out of that hole with a bolt (it's
>not hard!) and putting the helicoil insert into that hole. Is there
>anything less primitive?
>Question #2: I've heard a time or two about a thread repair system called
>Timeserts. Can anyone give me their third-party comparison of the two
>solutions? Thanks.
>Mike
Didn't leave you a url to see one
(Amazon.com product link shortened)
Lugnut
Posted by Kevin on October 7, 2008, 2:13 pm
>
> I'm about to button up one of my KZP's valve covers. It's amazing how
> vulnerable the threads up there are. On this bike, it's my first time
> in it ever though I've been in/out of the other numerous times. I had
> to do, I think 5 helicoil jobs on compromised threads and fortunately
> those were all at the outboard parts of the valve cover where I could
> easily get at them from above with a drill.
>
> Unfortunately, there is one that, while not in total failure, just
> looks like crap. It's positioned such that the backbone of the bike
> does not let a conventional drill fit.
>
> Question #1: Any suggestions I should be aware of for drilling out the
> hole in this application?
>
> I'm considering just stripping the crap out of that hole with a bolt
> (it's not hard!) and putting the helicoil insert into that hole. Is
> there anything less primitive?
>
> Question #2: I've heard a time or two about a thread repair system
> called Timeserts. Can anyone give me their third-party comparison of
> the two solutions? Thanks.
>
> Mike
>
>
> --
> Mike W.
> 96 XR400
> 99 KZ1000P
> 70 CT70
> 71 KG 100 (Hodaka-powered)
just get the epoxy thread repair. it is fine for a low stress job like
that. KB
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> conventional drill fit.
>
> Question #1: Any suggestions I should be aware of for drilling out
> the hole in this application?