Yet another cam chain tensioner history!

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11 Feb 2013 11:21 #571929 by KZJOE900
Replied by KZJOE900 on topic Yet another cam chain tensioner history!

donthaveakawman wrote: I don't care what kzjoe says about you patton that is a good idea, I thought about ordering one of those before and I never did.


Maybe you have a leaking plug wire which is arcing causing a cylinder to cut in and out.

Current project 76 KZ900 (This was a Vetter model)
76 KZ900
81 XJ550H SECA (Current Project)
82 XJ550R SECA
Past:
86 FJ1200
74 Z1900
72 CB450

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11 Feb 2013 15:26 #571953 by undiablo
Replied by undiablo on topic Yet another cam chain tensioner history!
I have considered the manual cam chain tensioners... but (I might be wrong) I want to keep the automatic thing. Somehow I tend to think if the engineers of Kawasaki put it, it might be for something.

Another possibility is, since I am with some spare time, make my own tensioner.

I think it could take a couple of machining hours in the garage. No CNC here, lathe is manual.

Kawasaki KZ 750/4 LTD 1981
Kawasaki KLR 650 2011
Argentina - Buenos Aires

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11 Feb 2013 17:01 #571960 by Patton
Replied by Patton on topic Yet another cam chain tensioner history!

undiablo wrote: I have considered the manual cam chain tensioners... but (I might be wrong) I want to keep the automatic thing. Somehow I tend to think if the engineers of Kawasaki put it, it might be for something....

Same here. And well-satisfied with the stock tensioner when it's performing as designed.
The after-market version may be inadvertently over-tightened, with undesirable results.

Imo, a good carb sync is more likely to significantly reduce cam-chain noise, regardless of the type tensioner that's fitted.

Good Fortune! :)

1973 Z1
KZ900 LTD
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11 Feb 2013 17:18 #571961 by wireman
Replied by wireman on topic Yet another cam chain tensioner history!

Patton wrote:

undiablo wrote: I have considered the manual cam chain tensioners... but (I might be wrong) I want to keep the automatic thing. Somehow I tend to think if the engineers of Kawasaki put it, it might be for something....

Same here. And well-satisfied with the stock tensioner when it's performing as designed.
The after-market version may be inadvertently over-tightened, with undesirable results.

Imo, a good carb sync is more likely to significantly reduce cam-chain noise, regardless of the type tensioner that's fitted.

Good Fortune! :)

Where have I heard all of this before? :laugh: :laugh: :laugh: :laugh: :laugh:

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

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11 Feb 2013 21:47 #572000 by donthaveakawman
Replied by donthaveakawman on topic Yet another cam chain tensioner history!
Isn't there a locknut on the factory tensioner?
How hard is it to install the new one, does the chain rail guide fall in the crankcase if i do something wrong?
my guess is that I would turn the engine to where the chain snugs it up against that side of the motor.
I ordered the ape thing from z1 but can't find a instructions file online.

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11 Feb 2013 22:10 #572003 by Patton
Replied by Patton on topic Yet another cam chain tensioner history!
APE CAM CHAIN TENSIONER INSTALLATION INSTRUCTIONS:

Click here > www.aperaceparts.com/tech/tensioners.html

Good Fortune! :)

1973 Z1
KZ900 LTD

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11 Feb 2013 23:31 - 12 Feb 2013 11:32 #572010 by martin_csr
Replied by martin_csr on topic Yet another cam chain tensioner history!
It seems like someone here on KZR said that the automatic type can be converted to a manual tensioner if you have access to a machine shop?

As for the automatic tensioners, I read somewhere that on the big Kaws, a problem can arise when the throttle is closed at high speed. Apparently, the tensioner can back itself out or something, causing the timing to get messed up, resulting in bent valves. It's something I vaguely remember. There's probably a more precise explanation somewhere.
Last edit: 12 Feb 2013 11:32 by martin_csr.

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11 Feb 2013 23:36 #572013 by zukdave
Replied by zukdave on topic Yet another cam chain tensioner history!

APE Jay wrote: Just put a KT1000 Manual Camchain Tensioner


Rob at Z1 put me one in the mail should be here in the morning.
$50 buck's worth of insurance it's a no brainer.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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12 Feb 2013 01:32 #572028 by undiablo
Replied by undiablo on topic Yet another cam chain tensioner history!
Indeed, I applied a lot of pressure to the tensioner push rod and it went back, no matter the cross wedge stoper. Backing the push rod seems to defeat the cross wedge spring resistance. However this test was made in a bench vice. :evil:

I highly doubt the cam chain can put that much pressure to the push rod.

Kawasaki KZ 750/4 LTD 1981
Kawasaki KLR 650 2011
Argentina - Buenos Aires

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12 Feb 2013 02:41 #572031 by donthaveakawman
Replied by donthaveakawman on topic Yet another cam chain tensioner history!

KZJOE900 wrote:

donthaveakawman wrote: I don't care what kzjoe says about you patton that is a good idea, I thought about ordering one of those before and I never did.


Maybe you have a leaking plug wire which is arcing causing a cylinder to cut in and out.


I actually have seen them hit the gas tank, it has been over a year since I replaced them. I bought 6 feet of new wire that I have yet to put on. I should find spacers for them.
maybe I will do that when my new tensioner gets here. :whistle:
also painted the exhaust with barbeque paint after I took some naval jelly to it. I ran it for a couple minutes now it needs to dry more.

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12 Feb 2013 08:51 #572058 by LarryC
Replied by LarryC on topic Yet another cam chain tensioner history!
A 6x35mm bolt and nut will make the OEM tensione work like a charm...cost under a buck ;)

Larry C.
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12 Feb 2013 10:54 #572069 by donthaveakawman
Replied by donthaveakawman on topic Yet another cam chain tensioner history!
why not just take the screw out and pump some oil in there.

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