crankshaft replacement

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11 Jun 2012 18:01 #528225 by Patton
Replied by Patton on topic crankshaft replacement

turboguzzi wrote: ...feed some rope into the cylinder thorough the valve hole....

That's gonna be harder than depressing the spring retainer with two fingers. :woohoo: :laugh: :laugh:

Good Fortune! :)

1973 Z1
KZ900 LTD

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11 Jun 2012 18:15 #528231 by 650ed
Replied by 650ed on topic crankshaft replacement
I've never done it on my bike, but on my old Chevy truck with a 350 V8 I used an air compressor and adapter to charge the cylinder with air (gotta make sure both valves are closed) to hold the valves in place while replacing seals. Anyone done this on a KZ? Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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  • testarossa
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11 Jun 2012 18:36 #528246 by testarossa
Replied by testarossa on topic crankshaft replacement
I have done the rope trick before to change the valve stem seals without removing the head. It did the trick on an old inline six Ford.

1978 KZ1000 A2 Click--->Build Thread
2004 ZX-10R
2007 Harley Sportster 1200
2020 Harley Street Glide Special
Angola, IN

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  • z1kzonly
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11 Jun 2012 18:42 #528250 by z1kzonly
Replied by z1kzonly on topic crankshaft replacement
Take the time to do it right.
Just think of this horror story. You start, do a couple of them.
Then all of the sudden your homemade jig slips and takes a 1/4" of your finger tip off clean
holy freakin ouch :blink: :ohmy:

Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

The following user(s) said Thank You: wireman

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11 Jun 2012 18:45 - 11 Jun 2012 18:46 #528253 by 4TheKZ1000
Replied by 4TheKZ1000 on topic crankshaft replacement
the tool you need is called a valve spring sphincter. :woohoo:
Last edit: 11 Jun 2012 18:46 by 4TheKZ1000. Reason: spell

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12 Jun 2012 00:19 #528377 by nads.com
Replied by nads.com on topic crankshaft replacement
I already figured in the springs might be hard to compress situation.

And the answer is: a longer bar! Looks like it will fit every valve spring
and if it won't and its to hard I'll fasion a jig that goes under the frame,
maybe on a bar so it can slide along, all one has to do is look see and make it.

I'm just kind of getting that way these days. Let no obstacle get in the way,
we wanna ride right. If these things blew up right away we'd be idiots, but
there worth it.

Which brings me to another matter, or two.

R6 wherever you are, youbetter HITITHARD, my engine is coming on like a
freight train from from eight on and man does it cover DISTANCE FAST.

Son of a gun that thing moves. When everthing hits it's there, I know
it is.

But. I'm going over to the old guys shop and I"m gonna sync those
carbs. I can't wait to see where they're at. I on it.

If I can't seem to get the carbs the way I need them to operate, I'll
attack the slides with a vengance.

I see they flutter, that's not good. I can fix that somehow.

After the pods are on and they are tuned I'll know if that's needed.
Carbs are a little glitchy, no real dead spots I can tell they arn't
delivering the same or vacuum amonst each other.

Once they are synched I really won't care what they do, I know the
power will be awesome and all the way up to it will be pleasant and
strong.

Enough to wail my way alongside and past the mighty 600's.

I just know it's gonna happen. TAKE IT TO THE TRACK BOY!

Yes sir, that's my plan, and according to plan, I'm right on schedule.

Schedule1 NARCOTICS you say? Blashfemme! The village idiot was hung a long
time ago and I'm not even related.

This no tournement, this for real. Ehem....

Got back from my second ride just awhile ago, the motor quit smoking.

I don't see any smoke, so I'm snickering inside some, and have those
butterflys coming up from down deep. Because I know. I know what's
coming, I can feel the power, I don't crap falling off, leaking,,

starting on fire. Last year I was a class A road hazard practically.

This year I'm on fire! destined to stay alive, well, and above and
beyond even my own expections.

And I have my old head to port even more radical :woohoo:

So when it gets all done I can't help but share and will post
pictures.

And there will video allright. I could never resist that.

And when you see the video, ask yourself, can my bike do that?

You don't have to answer, just bow down and say you did it man.

All stories need great endings right? Well I'm trying to make it
happen.

I just set my first foot down on top of the hill. Feels good.

It's like being home. nothing beats being in control of yourself, your mind,
and your surroundings, so you know what your made of what your capable of doing.

FROM DREAMS TO REALITY! Everyone raise a flag! RAHHHHHHHHHHHHHH! :woohoo:

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12 Jun 2012 00:40 #528389 by nads.com
Replied by nads.com on topic crankshaft replacement
Im in like flin. And I cut off that stupid large section of cone
from that kerker. That last end piece. What were they thinking.

No you can't ask me that :woohoo: So now make a little baffle
and WHAM! Transformation. Rocket man lives and rides a kz.

He's fll ION!

OHHH YEAH BABY!

YEAH

UH!

Yor opponent is down, your looking into face, lying there unconcious,
he's pathetic, your edrenaline is pumping, it's over, you WON!

The door opens, theres an even bigger opponent,

son of a..

you hide behind yourgirlfriend, who takes a mighty swing at his nuts,
down he goes.

And says "I thought I taught you how to fight.

WELL GEEZE, I,,, shut up and go get me some beer.

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  • wireman
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12 Jun 2012 00:55 #528392 by wireman
Replied by wireman on topic crankshaft replacement

Attachment imagesCANTRYQV.jpg not found


:woohoo:

posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.
Attachments:

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  • z1kzonly
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12 Jun 2012 01:09 #528397 by z1kzonly
Replied by z1kzonly on topic crankshaft replacement
What the deuce?

WT"M"F?

How did a crank turn into valve seals?

Hank the Crank? he used to work 3rd shift at the printing plant I worked at for 33 years.
That was 20 yrs ago. His name was Hank, But why do you think theay called him "Crank" , he kept half the readers digest bindery going all night for days!
Now that is a tangent!

Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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12 Jun 2012 09:04 #528439 by turboguzzi
Replied by turboguzzi on topic crankshaft replacement
nads, the grease poet

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12 Jun 2012 19:16 #528595 by nads.com
Replied by nads.com on topic crankshaft replacement
I can't tell the crank is heavier. :)

I went over to the old guys shop and he hooked up his guages.

What a DISASTER! In no time at all it was running so bad.

He sety the idle mix at one and a half to start and I warned him.

No he didn't listen and the idle went up and down like It always did.

Finally convinced him to set them at 2 and a half.

but it was too late he had every carb screwed up and 4 had no vac.

I told him that's alright, no problem the linkage is probably screwed up.

He's doing this for free and I have respect so I taking it in stride.

I took them off and they were :blink: I synched them myself and

GUYS. OH MY GOOSH! It idles below 1000 like never before.

I took it out and hit it , the back end was squirrelling all over

tire roasting and WHOOOOOOO HOOOOOOO! What a deal!

I have never felt that kind of power. And I know for a fact

if I put those gauges back on, the vacuum would be perfect, my eyes don't
lie.

I am one happy camper.

And the oil smoke is ever present(was an oversight).

So it's back to valve seals and springs.

I have me some see erious power. The response is awesome, and at 8000

it will .... lets say hang on and don't miss the shift!

That zx6 I raced would not have a chance with this bike now, hands down.

The r6 I raced last summer with the inexperienced rider, I could not find

the bike on the net that had the undertail exhaust.

It was because the bike I raced was the tamed version of an r6.

But what do I care? Not at all. If that yami can handle this bike

I'll be a monkeys uncle. I know exactly what I'm talking about.

FEROCIOUS! :P Now back to salvage the rest of my relationship...

and make the bike look nice and all that. Just found the fiberglass

resin I thought I threw away, so It's on. :angry:

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12 Jun 2012 21:23 - 12 Jun 2012 21:33 #528623 by LarryC
Replied by LarryC on topic crankshaft replacement

nads.com wrote: I can't tell the crank is heavier. :)

I went over to the old guys shop and he hooked up his guages.

What a DISASTER! In no time at all it was running so bad.

He sety the idle mix at one and a half to start and I warned him.

No he didn't listen and the idle went up and down like It always did.

Finally convinced him to set them at 2 and a half.

but it was too late he had every carb screwed up and 4 had no vac.

I told him that's alright, no problem the linkage is probably screwed up.

He's doing this for free and I have respect so I taking it in stride.

I took them off and they were :blink: I synched them myself and

GUYS. OH MY GOOSH! It idles below 1000 like never before.

I took it out and hit it , the back end was squirrelling all over

tire roasting and WHOOOOOOO HOOOOOOO! What a deal!

I have never felt that kind of power. And I know for a fact

if I put those gauges back on, the vacuum would be perfect, my eyes don't
lie.

I am one happy camper.

And the oil smoke is ever present(was an oversight).

So it's back to valve seals and springs.

I have me some see erious power. The response is awesome, and at 8000

it will .... lets say hang on and don't miss the shift!

That zx6 I raced would not have a chance with this bike now, hands down.

The r6 I raced last summer with the inexperienced rider, I could not find

the bike on the net that had the undertail exhaust.

It was because the bike I raced was the tamed version of an r6.

But what do I care? Not at all. If that yami can handle this bike

I'll be a monkeys uncle. I know exactly what I'm talking about.

FEROCIOUS! :P Now back to salvage the rest of my relationship...

and make the bike look nice and all that. Just found the fiberglass

resin I thought I threw away, so It's on. :angry:


GoNads! You either got 'em or you don't....ain't no inbetween :woohoo:

Larry C.
Last edit: 12 Jun 2012 21:33 by LarryC.

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