Reed valve covers

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25 Jun 2015 11:19 #678218 by Lazyman06
Reed valve covers was created by Lazyman06
Took the reed valve cover off to see the condition of the reeds and they apparently bought autozone out of they're rtv silicone. Also I thought there was supposed to be a vent nipple coming off of these. Will this hurt the bike if the valve cover can't vent?


Attachment 0619152130.jpg not found


1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine
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25 Jun 2015 11:20 - 25 Jun 2015 11:21 #678219 by Lazyman06
Replied by Lazyman06 on topic Reed valve covers
cover

(edit: apparently the cover picture won't post)

1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine
Last edit: 25 Jun 2015 11:21 by Lazyman06.

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25 Jun 2015 11:56 #678223 by jeff80kz1000e2
Replied by jeff80kz1000e2 on topic Reed valve covers
Nope, most guys cap them with an aftermarket or home made cover. APE I believe makes one you can buy. I had the original with the nipple on them and cut the hose short that was attached to the nipple and plugged it with a bolt and a hose clamp ( cant see it with the tank on and cost much less than the covers unless you nake them yourself ) .

The CAS ( clean air system ) was an epa regulation back in the day if I am not mistaken and the bike does just fine with it removed.

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25 Jun 2015 12:01 #678224 by davido
Replied by davido on topic Reed valve covers
A simple idea I heard was to just run the hose twixt one cover and t'other.

www.kzrider.com/forum/11-projects/594313-csr1000-project-build
CB550 (1978)
CB500/4 (1972)*
KZ1000CSR (1981)
XT 600E (1999)
TDM900 (2003)

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25 Jun 2015 13:16 #678237 by Lazyman06
Replied by Lazyman06 on topic Re:Reed valve covers
Here's the kicker mine doesn't have a nipple at all and I don't see ape etched on the top

1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine
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25 Jun 2015 13:19 #678239 by SWest

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25 Jun 2015 13:30 #678245 by pete greek1
Replied by pete greek1 on topic Re:Reed valve covers
Are you saying that's the cover, with the 2 square holes in it ?? ..& they weren't plugged up ?
Pete

1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!

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25 Jun 2015 13:31 #678248 by pete greek1
Replied by pete greek1 on topic Re:Reed valve covers
This is what I did with my covers
Pete

Attachment DSCF1624-2.jpg not found


1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!
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25 Jun 2015 14:09 #678252 by pete greek1
Replied by pete greek1 on topic Re:Reed valve covers
No eBay APP ID and/or Cert ID defined in Kunena configurationBuy these & connect the hose to each other, or your bike will not run right with those holes in the breather caps
Pete

1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!

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25 Jun 2015 15:00 #678259 by davido
Replied by davido on topic Re:Reed valve covers

Lazyman06 wrote: Here's the kicker mine doesn't have a nipple at all and I don't see ape etched on the top


I Think only the American models had the breathers. For environmental controls.Something to do with sending the partially unburnt exhaust gases back into the airbox to be reused!? European models didnt have this and Just came with closed plates. If theyve not got APE stamped on them theyre probably original equipment.

www.kzrider.com/forum/11-projects/594313-csr1000-project-build
CB550 (1978)
CB500/4 (1972)*
KZ1000CSR (1981)
XT 600E (1999)
TDM900 (2003)

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25 Jun 2015 15:38 #678269 by Lazyman06
Replied by Lazyman06 on topic Re:Reed valve covers

davido wrote:

Lazyman06 wrote: Here's the kicker mine doesn't have a nipple at all and I don't see ape etched on the top


I Think only the American models had the breathers. For environmental controls.Something to do with sending the partially unburnt exhaust gases back into the airbox to be reused!? European models didnt have this and Just came with closed plates. If theyve not got APE stamped on them theyre probably original equipment.

Kinda odd and kinda cool at the same time that it isn't an american engine. is it safe to say I can go with out the air valve assembly. Im gonna be running pods anyway

Attachment E1130.png not found


1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine
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25 Jun 2015 16:15 #678273 by 80B4
Replied by 80B4 on topic Reed valve covers
The reed valves allow oxygen to enter the exhaust port so that any unburned fuel is consumed. BMW used that same system design to get their twins to pass the emissions tests.

1980B4 1000
1978 Z1R
1978 B3 750

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