Puzzled when engine heated up

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Puzzled when engine heated up

17 Sep 2014 18:00
#647888
Well cylinder three and four feel hotter on one side of the bike one two not as hot what might be the problem runs good till gets hot I think may be overheating I don't have and backfire or sputter runs good threw each gear 1980 kz750 four h1 have pilot screw out pretty far on them both

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  • nickleo373
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Re: Puzzled when engine heated up

17 Sep 2014 18:12
#647889
Do you have the carbs synced and valve clearances checked?
1981 KZ550C LTD
"If you ain't first, you're last"

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  • 74ullc
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Re: Puzzled when engine heated up

17 Sep 2014 20:57
#647905
well problem is common in these bikes is you problem to be fixed is easy you need to move the fan from the left side with the one two to the other side three four to make cool air move by the three four side more than side one two that should fix it no sputter is ok if you need to you can buy another fan to have one of the fans on side one two and then on side three four another fan to blow air on both one two and three four sides at same time so that sides one two three four will each have air moving threw them to make one two and three four cool as each other then you can have extra fan for if it gets hot on a heated day in the house to blow the cool air into the room and threw the side of the house thats hotter but i dunno sounds like h1 is pretty ok with screw out pretty far maybe to move them back into the threw motor side one two three four and see if that helps one and two i guess three four would then be ok but you have the extra fan so no problem
Gulf Coast, Texas
1977 KZ1000LTD
1984 VF700F
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Re: Puzzled when engine heated up

18 Sep 2014 05:25
#647919
nickleo373 wrote: Do you have the carbs synced and valve clearances checked?

Agree with this question. You can't diagnose running problems on a bike that doesn't have all the maintenance up to date.
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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  • baldy110
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Re: Puzzled when engine heated up

18 Sep 2014 09:11
#647952
74ullc wrote: well problem is common in these bikes is you problem to be fixed is easy you need to move the fan from the left side with the one two to the other side three four to make cool air move by the three four side more than side one two that should fix it no sputter is ok if you need to you can buy another fan to have one of the fans on side one two and then on side three four another fan to blow air on both one two and three four sides at same time so that sides one two three four will each have air moving threw them to make one two and three four cool as each other then you can have extra fan for if it gets hot on a heated day in the house to blow the cool air into the room and threw the side of the house thats hotter but i dunno sounds like h1 is pretty ok with screw out pretty far maybe to move them back into the threw motor side one two three four and see if that helps one and two i guess three four would then be ok but you have the extra fan so no problem

Huh?

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Re: Puzzled when engine heated up

18 Sep 2014 14:37
#647995
baldy110 wrote:
74ullc wrote: well problem is common in these bikes is you problem to be fixed is easy you need to move the fan from the left side with the one two to the other side three four to make cool air move by the three four side more than side one two that should fix it no sputter is ok if you need to you can buy another fan to have one of the fans on side one two and then on side three four another fan to blow air on both one two and three four sides at same time so that sides one two three four will each have air moving threw them to make one two and three four cool as each other then you can have extra fan for if it gets hot on a heated day in the house to blow the cool air into the room and threw the side of the house thats hotter but i dunno sounds like h1 is pretty ok with screw out pretty far maybe to move them back into the threw motor side one two three four and see if that helps one and two i guess three four would then be ok but you have the extra fan so no problem

Huh?

Bingo.
Gulf Coast, Texas
1977 KZ1000LTD
1984 VF700F

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Re: Re:Puzzled when engine heated up

18 Sep 2014 14:56
#647998
Bike never had fans though

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  • 650ed
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Re: Re:Puzzled when engine heated up

18 Sep 2014 14:59
#648000
Fan =

Attachment 00003a_2014-09-18-2.jpg not found

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Re: Puzzled when engine heated up

18 Sep 2014 19:33
#648019
Where the heck is that facepalm button?
Gulf Coast, Texas
1977 KZ1000LTD
1984 VF700F
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Re: Re:Re: Puzzled when engine heated up

19 Sep 2014 05:12
#648034
Umm might found my problem took the head off for benefit of my satisfaction and by the look of the carbon 1 and 2 don't have much and three and four look carbon even when removing head gasket had oil trapped in between it... The relief valves not hitting the piston and must been just that spark plug cause other I bought never closed...

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Re: Re:Puzzled when engine heated up

19 Sep 2014 06:00
#648041
Think the coil packs might be bad cause runs good but number was running bad cause no gap it died on me the first time I rode it long when I got home it killed itself but when cooled down started right up timing perfect and valve clearance good

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  • Grumpy Ole Artist
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Re: Re:Puzzled when engine heated up

19 Sep 2014 06:10
#648042
No offense to anyone, but I am just generally puzzled by all the garbled syntax....
1978 KZ650 B2
Former rides...1976 CB360T, 1985 Shadow 700, 1985 GPZ750Turbo
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