SOHC.co.uk Forums > CB350/400
I think I've done something wrong!
K2-K6:
--- Quote from: SeanFD on October 21, 2024, 06:34:03 PM ---I went ahead without the washer/spacer and put the rocker cover on.
Even with a;; the tappet adjustment screws fully out the cover didn't sit flat on the cylinder head, and when I rotated the engine, it moved, rocking :)up and down a bit on a L/R axis.
Hand tightening the bolts, just until they touched stopped this rocking, but I was hoping for some reassurance, before tightening everything, that this was normal.
--- End quote ---
You need to be careful that nothing has snagged when the rocker cover is placed on, some using elastic bands to hold rockers in better positioning to facilitate.
I don't think there's any point that will have ALL the cam lobes pointed downwards away from rockers , which means as you tighten the bolts down to close, then you'll be compressing at least some of the valve springs. This will make it sit up until fully tightened.
SeanFD:
Thanks,
I spent an age trying t0 see if something had snagged, and then some more to make sure it wasn't the tacho drive not meshing properly. Then I tried with all the lobes pointing not-up, as far as was possible and this improved things a bit.
With the bolts in place, it is looking better and so tomorrow the plan is to tighten it all down.
I'd like to get it running before I head back to France on Thursday, so fingers crossed.
K2-K6:
A little difficult to describe remotely, but the snag comes usually from the tappet screw face that touches the valve tip "catching" on that tip as it comes down into alignment with the case/cover closing.
Diligence in looking at all of the valves at that location to see that it's not happening should let you gently close the cover by going around equally with the bolts to evenly bring the two surface together. If that makes sense :)
McCabe-Thiele (Ted):
I've become a little confused as this thread started for a 400F now it's presumably talking about your 750 K2 oil leak.
I know nothing about the 750s.
SeanFD:
--- Quote from: McCabe-Thiele (Ted) on October 22, 2024, 11:16:22 AM ---I've become a little confused as this thread started for a 400F now it's presumably talking about your 750 K2 oil leak.
I know nothing about the 750s.
--- End quote ---
:)
Sorry Ted. 750 stuff was just intro. I’m onto my 400F2 now.
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