Author Topic: oil leak  (Read 601 times)

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Offline marc

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oil leak
« on: June 27, 2014, 02:22:05 PM »
well i am back! thought i was getting away from older bikes when an other 750 came bye,thank god it belongs to a friend. saw my table empty and suggested i help him with his 1978 750 k. this is the first 750 i have laid hands on that had a oil leak. besides the tach drive. the drip comes from between the head and the cylinder, but it seems to hang on the underside of the head. could this be coming from plugs under the cam towers? ::). realizing i have to pull the motor to change them. dont mind pulling the motor and valve train but dont want to puul the head if not needed

Offline flybox1

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Re: oil leak
« Reply #1 on: June 27, 2014, 02:26:34 PM »
No, you dont need to pull the head to get at the pucks. 
Just the valve cover, valve train, cam and cam towers.
It'll take you longer to get the engine in and out than to access and install new pucks  ::)

this will be a good read for you....http://forums.sohc4.net/index.php?topic=107040.0
'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mineā€¦"

Offline Phoenix

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Re: oil leak
« Reply #2 on: June 27, 2014, 02:59:53 PM »
I had the same problem.  Get a frame kit from 754.  You'll never look back.  Not a big job.
Ed Spengeman
Indy
1971 CB750K1 (Stock)
1973 CB350 Twin  (Gone)

Offline marc

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Re: oil leak
« Reply #3 on: June 27, 2014, 03:04:45 PM »
frame kit from 754???  whats that?