SOHC.co.uk Forums > CB350/400
400 Four strip down.
taysidedragon:
The clutch cover repair is pretty ugly. If you grind it down smooth you might open up a hole or crack underneath and need another weld to repair. What's the inside of the cover like?
Bryanj:
Seen way worse heads used and run ok
royhall:
That barrel has a few broken fins that will need repair. Sure sign that the heads been screwdriver prised off at some point.
K2-K6:
As Julie has posted, those cam main journals look to be showing wear characteristics.
In addition, they show a pattern of wear symptomatic of metal embedded into the softer aluminium head bearings. If you can feel any "spikes " in the head bearings by running your fingernail round them, then that would indicate that they'd need to be corrected somehow before reassembly.
It's something you'd associate with the oil filter pressure release valve being operated so that contaminated oil is passed round the engine.
If that's the case, you may see the same type of marks when you get to the crank bearings also as they get the oil first.
GregShiv:
--- Quote from: taysidedragon on December 04, 2017, 11:12:06 AM ---The clutch cover repair is pretty ugly. If you grind it down smooth you might open up a hole or crack underneath and need another weld to repair. What's the inside of the cover like?
--- End quote ---
The picture of the other side of the cover is included.
Look just as bad but there looks to be plenty of metal on both side to get an improvement?
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