GPZ Head by Looking??

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14 Sep 2012 15:01 #548645 by ramtough_63
GPZ Head by Looking?? was created by ramtough_63
Is there a way to tell visually the difference between the 82 750GPZ head and the much more sought after 83 and up or is it just the 1100 that there were differences in?? I have the 82 that has all the later GPZ silver and red badging and 83 or newer frame not sure other thna I remember running the engine numbers as a 82 750R if i remember right

1978 KZ1000 A2
Thrown Together To Ride Til Winter
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1982/83 750R/GPZ
1984 Goldwing 1200 Interstate
1982 Yamahopper QT50
Previous
2 79 HD sporty XLH
02 HD FLSTS Heritage
60's HD Hummer
70's Honda 550 Four
70 Yamaha 100
and various enduros dirtbikes minibikes...

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14 Sep 2012 19:17 #548688 by Nebr_Rex
Replied by Nebr_Rex on topic GPZ Head by Looking??
Just the 1100,750 heads are either round corners(early) or squared off(late).

2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


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14 Sep 2012 23:07 #548766 by LarryC
Replied by LarryC on topic GPZ Head by Looking??
Seems to me the chambers are different between those 2 heads and the intake valves are larger in the later model.

Larry C.

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14 Sep 2012 23:52 #548774 by ramtough_63
Replied by ramtough_63 on topic GPZ Head by Looking??
thanks guys appreciate the imput

1978 KZ1000 A2
Thrown Together To Ride Til Winter
Facebook Page
Free Range Custom Art


1982/83 750R/GPZ
1984 Goldwing 1200 Interstate
1982 Yamahopper QT50
Previous
2 79 HD sporty XLH
02 HD FLSTS Heritage
60's HD Hummer
70's Honda 550 Four
70 Yamaha 100
and various enduros dirtbikes minibikes...

Please Log in or Create an account to join the conversation.

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15 Sep 2012 12:48 #548842 by steell
Replied by steell on topic GPZ Head by Looking??
83-85 GPz750 heads have different combustion chambers than the others, they look more like the 83-84 GPz1100 heads, sorta bathtub shaped.

I think I have one 83-85 GPz750 head and one 750E head left if you want a pic of the two side by side.

Pretty sure I posted pics here some time in the past.

KD9JUR

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15 Sep 2012 13:32 #548854 by ramtough_63
Replied by ramtough_63 on topic GPZ Head by Looking??
thats cool i am reletively sure its a gpz head just wasnt sure 82 or 83

1978 KZ1000 A2
Thrown Together To Ride Til Winter
Facebook Page
Free Range Custom Art


1982/83 750R/GPZ
1984 Goldwing 1200 Interstate
1982 Yamahopper QT50
Previous
2 79 HD sporty XLH
02 HD FLSTS Heritage
60's HD Hummer
70's Honda 550 Four
70 Yamaha 100
and various enduros dirtbikes minibikes...

Please Log in or Create an account to join the conversation.

More
15 Sep 2012 13:51 #548857 by Patton

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