Cam Journal Wear

razmo99
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Re: Cam Journal Wear

18 Oct 2015 18:59

#695136

Yep that is exactly what it is.

- Z500 B4
-GPZ900R A9-10 ish

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razmo99
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Re: Cam Journal Wear

18 Oct 2015 23:50

#695141

Here are some photos

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- Z500 B4
-GPZ900R A9-10 ish

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razmo99
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Re: Cam Journal Wear

18 Oct 2015 23:55

#695142

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- Z500 B4
-GPZ900R A9-10 ish

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razmo99
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Re: Cam Journal Wear

19 Oct 2015 00:01

#695143

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- Z500 B4
-GPZ900R A9-10 ish

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razmo99
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Re: Cam Journal Wear

19 Oct 2015 00:04

#695144

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- Z500 B4
-GPZ900R A9-10 ish

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loudhvx
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Re: Cam Journal Wear

19 Oct 2015 07:05 - 19 Oct 2015 07:08

#695193

Those parts look pretty good to me. All of the cams and caps (across maybe a dozen motors or so) I've seen, haven't looked any better. It is just surprising to me that the journals would be below their limit. If they are, at least the wear is even. That being the case, I wouldn't expect the cams to be so noisy.

1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.

Last edit: 19 Oct 2015 07:08 by loudhvx.

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Kapahulu
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Re: Cam Journal Wear

19 Oct 2015 08:31

#695204

loudhvx wrote: Those parts look pretty good to me. All of the cams and caps (across maybe a dozen motors or so) I've seen, haven't looked any better. It is just surprising to me that the journals would be below their limit. If they are, at least the wear is even. That being the case, I wouldn't expect the cams to be so noisy.

Yup keep riding it.

1978 KZ1000, 1976 KZ900, 1975 H2, 1973 H1, 1973 H2, 1978 RD400, 1977 RD400, 1974 RD350
2strokeworld.com

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bountyhunter
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Re: Cam Journal Wear

19 Oct 2015 09:33

#695208

razmo99 wrote: The compression is good
It does leak some oil some at the bottom end and some at the left side of the cylinder head were the oil gallery is.
It also occasionally shift out of gear for 2nd under heavy load. A neutral can also be found between 5th and 6th gear, soon after it will slip into either.

When it was new, my 750 twin used to frequently find a neutral in between fourth and fifth gear. I would shift into fifth and let the clutch out and it would not be in any gear (engine rev). Then I would shift again and it would go into fifth with a CRUNCH.

1979 KZ-750 Twin

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