Author Topic: 750 Head ?  (Read 1407 times)

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Online Don R

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750 Head ?
« on: September 24, 2012, 12:57:10 PM »
Just a question and a heads up. (Pun intended)
I had the head on my K4 750  milled. I noticed the oil jet holes where the cam towers bolt on are too big. It seems the oil jets fell out. One was in the bottom of the milling machine the other one is AWOL. I might have blown it out when cleaning it. Maybe at the car wash. I'm assuming I can remove one from another head and put it in here, the question is how? Blow them out with air? Does the cam tower hold them in place?
No matter how many times you paint over a shadow, it's still there.
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Offline tony sawyer

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Re: 750 Head ?
« Reply #1 on: September 24, 2012, 01:28:09 PM »
you have a small o ring on top which seals to the cam carrier you don't always get o rings in gasket sets 

Offline tony sawyer

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Re: 750 Head ?
« Reply #2 on: September 24, 2012, 01:31:19 PM »
ive brought one of those o ring sets in the past wich seems to work fine or find part no 

Offline wrenchmuch

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750 Head ?
« Reply #3 on: September 24, 2012, 01:34:45 PM »
Those jets come out easy. Their often stuck to the bottom of the cam tower when you remove it.
CB750K1
CB750K4

Online Don R

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Re: 750 Head ?
« Reply #4 on: September 24, 2012, 01:43:31 PM »
I bought the 0 rings already, just got a little lesson. The cam towers aren't mounted yet but the head is torqued.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline N30R3L0AD3D

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Re: 750 Head ?
« Reply #5 on: September 25, 2012, 10:11:50 AM »
Don, I am curious to see how this turns out for you. I had my head milled, then did it myself and I've had head gasket seating issues since.
1974 CB750K Honda

Offline wrenchmuch

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750 Head ?
« Reply #6 on: September 25, 2012, 12:09:59 PM »
You might check the two dowels that go between the head and cylinders at the 2 front outer studs. If their too long the head won't seat.
CB750K1
CB750K4