1987 KZ305 Cylinder Head NEEDED

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20 Jan 2011 11:44 #423862 by Massoodk
1987 KZ305 Cylinder Head NEEDED was created by Massoodk
Hey all,

So im in need of a new cylinder head for my 1987 KZ305. I have found a few on ebay but they are for the 1982 KZ305, will this fit? Does anyone have one for sale or are willing to get rid of?

thanks all,

Massood

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  • Motor Head
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20 Jan 2011 13:12 #423887 by Motor Head
Replied by Motor Head on topic 1987 KZ305 Cylinder Head NEEDED
Have you been over to this Twin Forum; www.armbell.com/kz400/viewforum.php?f=59&mforum=kz400
Here you may find the answer, as Kawasaki shows different part #'s for those two heads. Why? Maybe those Twin guy's know. :)
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
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  • The Gringo
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21 Jan 2011 05:18 #424072 by The Gringo
Replied by The Gringo on topic 1987 KZ305 Cylinder Head NEEDED
If IRC the 87 305's came with an electronic ignition where the 81 and 82 305's used points. This may or may not make a difference as to what you need. I don't have a head but I do have some head gaskets if you need one.
Andy
Akron, Ohio
80 Z-1 Classic-Sold
84 GPZ1100
79 KZ 1000 LTD
78 KZ 1000 A2
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  • kz1k
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21 Jan 2011 06:18 #424079 by kz1k
Replied by kz1k on topic 1987 KZ305 Cylinder Head NEEDED
i gatta 900 cylinder for ya...just cut it in half. then youll have a backup...lol
1978 KZ1000A2

"JUST IN! A MAN WHO HOLDS THE WORLD RECORD FOR USING THE MOST DRUGS DIES TODAY. HE WAS WAS ATTACKED BY A PACK OF WILD DOGS HE THOUGHT HE SAW"

WHY FART AND WASTE IT, WHEN YOU CAN BURP AND TASTE IT?

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30 Jan 2011 18:20 #427229 by Massoodk
Replied by Massoodk on topic 1987 KZ305 Cylinder Head NEEDED
@motorhead. Thanks for the link. Just registered and am waiting to be able to post and see if those guys can help.

@the gringo. I believe your correct, the 81-82 models dont have an electronic ignition. I bought a gasket thinking that was my problem because i saw a leak coming from the head...unfortunately i found out that the valves are bad and a head job is necessary...so i have the gasket, need a head now. :/ I appreciate the offer none-the-less.

@kz1k. only if it was possible. lol

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30 Jan 2011 20:24 #427261 by mjg15
Replied by mjg15 on topic 1987 KZ305 Cylinder Head NEEDED
You might also look at the '83 EX305 (GPz305), they have an electronic ignition and it's a good possibility that the head is the same
'80 Z750fx
'81 KZ550A
'81 GPz550's, Too many!
'82 KZ1000R
'82 GPz750
'90 ZR550


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02 Feb 2011 11:59 #427864 by Massoodk
Replied by Massoodk on topic 1987 KZ305 Cylinder Head NEEDED
After taking a better look, an entire head assembly is not going to be needed. Just need to do a valve job. What should i expect to pay? Also, what all is done when getting a valve job? What parts will i need to replace?

Thanks.

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02 Feb 2011 12:48 #427881 by MFolks
Replied by MFolks on topic 1987 KZ305 Cylinder Head NEEDED
I believe most "Valve Jobs" envolve either replacing the burned/bent valves, inspecting the seats and possibly replacing the valve guides for wear.The valve stem seals should also be replaced as the rubber gets hard/brittle and leaks oil.

A shop that has done this before will test the repaired head for leaks by placing th head upside down with the valves closed and then using a measured thin fluid, will check for leaks.

As for the cost, kinda hard to say as labor rates vary from place to place.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
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