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retorque cylinder head bolts & nuts?
Posted: Thu Apr 03, 2003 3:14 pm
by dschoppe2000
Hi,
During routine maintenance, is it common practice to loosen and then
retorque the cylinder head nuts and bolts (per the service manual)?
On my previous (non-KLR) bikes, I never touched the cylinder head
bolts/nuts unless the cylinder head was removed for top end work.
Thanks,
Don
retorque cylinder head bolts & nuts?
Posted: Thu Apr 03, 2003 6:00 pm
by Bogdan Swider
> Hi,
>
> During routine maintenance, is it common practice to loosen and then
> retorque the cylinder head nuts and bolts (per the service manual)?
> On my previous (non-KLR) bikes, I never touched the cylinder head
> bolts/nuts unless the cylinder head was removed for top end work.
>
> Thanks,
> Don
>
Nobody I know does that though with Kawasaki quality control being what it
is it might not be a bad idea during the first valve inspection.
Bogdan
retorque cylinder head bolts & nuts?
Posted: Thu Apr 03, 2003 6:07 pm
by monahanwb
--- In
DSN_klr650@yahoogroups.com, "Bogdan Swider"
wrote:
> > Hi,
> >
> > During routine maintenance, is it common practice to loosen and
then
> > retorque the cylinder head nuts and bolts (per the service
manual)?
The owners' manuals for airhead BMWs recommends the same head
torquing service every 4,000 miles, which of course is not
necessary. But it creates lots of work for mechanics, as constant
retorquing of head bolts by unskilled backyard mechanics eventually
pulls the studs out of the case, effectively ruining the motor.
Though I suspect the Kaw's motor doesn't give up its studs quite so
easily, it's probably best to leave this job to a qualified mechanic.
Bill
"if it ain't broke, we'll fix it till it is"
retorque cylinder head bolts & nuts?
Posted: Thu Apr 03, 2003 7:36 pm
by Devon Jarvis
I say if it isn't leaking, don't touch them.
Devon
A15
Bogdan Swider wrote:
>
>
>
>
>>Hi,
>>
>>During routine maintenance, is it common practice to loosen and then
>>retorque the cylinder head nuts and bolts (per the service manual)?
>>On my previous (non-KLR) bikes, I never touched the cylinder head
>>bolts/nuts unless the cylinder head was removed for top end work.
>>
>>Thanks,
>>Don
>>
>>
>>
>Nobody I know does that though with Kawasaki quality control being what it
>is it might not be a bad idea during the first valve inspection.
>
>Bogdan
>
>
>
>
>
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retorque cylinder head bolts & nuts?
Posted: Thu Apr 03, 2003 8:45 pm
by david gay
I was taught to check the torque on the head bolts before checking valve clearances. I don't loosen them I just torque to specs.
Dave A12
Devon Jarvis wrote:I say if it isn't leaking, don't touch them.
Devon
A15
Bogdan Swider wrote:
>
>
>
>
>>Hi,
>>
>>During routine maintenance, is it common practice to loosen and then
>>retorque the cylinder head nuts and bolts (per the service manual)?
>>On my previous (non-KLR) bikes, I never touched the cylinder head
>>bolts/nuts unless the cylinder head was removed for top end work.
>>
>>Thanks,
>>Don
>>
>>
>>
>Nobody I know does that though with Kawasaki quality control being what it
>is it might not be a bad idea during the first valve inspection.
>
>Bogdan
>
>
>
>
>
>List sponsored by Dual Sport News at
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>
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>
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retorque cylinder head bolts & nuts?
Posted: Thu Apr 03, 2003 11:36 pm
by Guy B. Young II - COG Tech. Ed.
Dave,
If you must, you're half right. Torque the head bolts/studs before setting
the valves, however, trying to torque what's already tight is giving you a
false reading. Over time, the bolts/stud nuts will take a set and will not
budge unless you go above the recommended torque. The proper way is to
loosen them first (one at a time), then re-torque them back to spec. In
addition, the threads of the bolts/nuts should be lubed - either with oil
or an anti-seize 9prefer the latter). A long bolt/stud will twist, or
torque up, as the mating threads begin to bind. This can also give you a
false reading. There have been instances where the threads finally freed
up, the tension/energy is released, and it will snap - as in off.
My .02
Guy
A16
Richmond, VA
At 06:45 PM 4/3/03 -0800, david gay wrote:
>
>I was taught to check the torque on the head bolts before checking valve
clearances. I don't loosen them I just torque to specs.
>
>Dave A12
retorque cylinder head bolts & nuts?
Posted: Fri Apr 04, 2003 3:21 pm
by L L
My right side bolts were striped out when i got it, it looked like some type
of metal coil was used to fix, but broke apart when i did valve job, I know
they sell kits to fix the thread, bout I just jb welded them in there until
i could drill and tap them bigger. seemed like they were threaded into
aluminum.
>From: "monahanwb"
>To:
DSN_klr650@yahoogroups.com
>Subject: [DSN_klr650] Re: Retorque cylinder head bolts & nuts?
>Date: Fri, 04 Apr 2003 00:07:26 -0000
>
>--- In
DSN_klr650@yahoogroups.com, "Bogdan Swider"
>wrote:
>
> > > Hi,
> > >
> > > During routine maintenance, is it common practice to loosen and
>then
> > > retorque the cylinder head nuts and bolts (per the service
>manual)?
>
>The owners' manuals for airhead BMWs recommends the same head
>torquing service every 4,000 miles, which of course is not
>necessary. But it creates lots of work for mechanics, as constant
>retorquing of head bolts by unskilled backyard mechanics eventually
>pulls the studs out of the case, effectively ruining the motor.
>Though I suspect the Kaw's motor doesn't give up its studs quite so
>easily, it's probably best to leave this job to a qualified mechanic.
>
>Bill
>"if it ain't broke, we'll fix it till it is"
>
>
>
>List sponsored by Dual Sport News at
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retorque cylinder head bolts & nuts?
Posted: Fri Apr 04, 2003 3:25 pm
by L L
Sorry about my last post,thought you guys were talking about valve cover
bolts. damn im stupid sometimes.
>From: david gay
>To: jarvisd@..., KLR650 group DSN_klr650@yahoogroups.com>
>Subject: Re: [DSN_klr650] Retorque cylinder head bolts & nuts?
>Date: Thu, 3 Apr 2003 18:45:40 -0800 (PST)
>
>
>I was taught to check the torque on the head bolts before checking valve
>clearances. I don't loosen them I just torque to specs.
>
>Dave A12
>
>
> Devon Jarvis wrote:I say if it isn't leaking, don't
>touch them.
>
>Devon
>A15
>
>Bogdan Swider wrote:
>
> >
> >
> >
> >
> >>Hi,
> >>
> >>During routine maintenance, is it common practice to loosen and then
> >>retorque the cylinder head nuts and bolts (per the service manual)?
> >>On my previous (non-KLR) bikes, I never touched the cylinder head
> >>bolts/nuts unless the cylinder head was removed for top end work.
> >>
> >>Thanks,
> >>Don
> >>
> >>
> >>
> >Nobody I know does that though with Kawasaki quality control being what
>it
> >is it might not be a bad idea during the first valve inspection.
> >
> >Bogdan
> >
> >
> >
> >
> >
> >List sponsored by Dual Sport News at
www.dualsportnews.com. List FAQ
>courtesy of Chris Krok at:
www.bigcee.com/klr650faq.html
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> >
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> >
> >
> >
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http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
> >
>
>
>
>List sponsored by Dual Sport News at
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newby adventure tour
Posted: Fri Apr 04, 2003 3:26 pm
by Dan Pauley
The KLR is just about perfect for your desires. I'd highly
recommend it for such a jaunt. Only possible other bike
might be the Vstrom Suzuki.
First, git yur license and get a motorcycle class under your
belt. Take the MSR basic class (MRC/RSS) then get a
motorcycle afterward. They supply the bike and have a
lesson specifically about different bikes and what their
purpose might include. Important note here. Do NOT get the
bike first. Get the class first. Better to be chomping at
the bit after the class without a bike than chomping on a
feeding tube because you made just one mistake.
Ah, the link is ..... krap, i'm off line at the houston
airport so you have to search for:
motorcycle safety foundation or call (I'm doing this from
memory so cut me some slack) 1-800-847-4700 (I think)
What state you live in? Most states offer some kind of
motorcycle training.
Then git you a KLR. Depends on how handy you are with tools
and how serious you want to tinker with it. Often a New
bike will be better than a used bike. I like to dink with
it so spend about $3K on a good used then $3K dink'n with it
to think I saved money when a brand spank'n new one only
cost $5K
As for the Alcan highway, that should be a no brainer on the
KLR. Good bike for such a trip. Take your time, enjoy
yourself. If you have not already done so, read the FAQ
section of the group.
www.bigcee.com/klr650faq.html
You are only going to be mad at yourself for not doing this
several years ago.
Dan / \