valve tap or exhaust leak?

  • gixxerkidd03
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valve tap or exhaust leak?

11 Jun 2020 18:53 - 11 Jun 2020 21:01
#827949
what do you think?

1981 KZ750e
Last edit: 11 Jun 2020 21:01 by gixxerkidd03.

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  • gixxerkidd03
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Re: valve tap or exhaust leak?

11 Jun 2020 19:06
#827952
Video won’t upload and can’t figure out how to delete. Sorry
1981 KZ750e

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  • M_a_t_t
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Re: valve tap or exhaust leak?

11 Jun 2020 19:22
#827953
You could upload to youtube, set it as unlisted so only people with links can see it. then post the link.
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81 kz650h1
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Re: valve tap or exhaust leak?

11 Jun 2020 19:36
#827954
gixxerkidd03 wrote: what do you think?

I haven't heard it but, normally an exhaust leak will be more noticeable during acceleration, whereas valve clatter doesn't change whether the RPMs are going up or down.

Hopefully this makes sense/helps, Mike
Former M.E. at Kawasaki Motors Manufacturing, Lincoln, NE
1966 W1 (the Z1 of 1966-50H.P. and 100mph!)
1974 Z1
1978 KZ1000 LTD
1976 KZ900B pile O parts
1980 KZ750E
1980 Honda XL250S (I know, wrong flavor!)
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Re: valve tap or exhaust leak?

11 Jun 2020 20:58
#827957
links up
1981 KZ750e

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Re: valve tap or exhaust leak?

11 Jun 2020 21:52
#827959
It sounds like an exhaust leak through headphones.
Cut up a 2' section of garden hose or similar.
Make sure it's clean. No bugs or water. You don't want bugs in your ear or water flashing to steam toward your eardum.
Put one end up to your ear and move the other end around the motor and try to locate the sound.
81-KZ440-D2.
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Re: valve tap or exhaust leak?

14 Jun 2020 12:15
#828163
Did you remove the air suction reed valves in the cam cover? If you did, and did not plug up the exhaust holes beneath, exhaust will blow by the covers with the hose fittings.
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Re: valve tap or exhaust leak?

14 Jun 2020 13:38
#828174
Close the ports with M6 grub/set screws!!!
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode

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