I remember a mate taking the sump off his Z650 and he snapped every one bar two
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Rocker Cover Removal
Moderators: KeithZ1R, chrisu, paul doran, Taffus
Rocker Cover Removal
Is there any tips on taking this off other than be very careful, I have one bolt stripped on the outside right and its leaking quite bad.
I remember a mate taking the sump off his Z650 and he snapped every one bar two
I remember a mate taking the sump off his Z650 and he snapped every one bar two
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needaz1100r
- Custard Cream
- Posts: 601
- Joined: 11th Sep 2012
- Location: Reading
If the 6mm bolts are snapping, tap them a good few times with a hammer (and drift if you need it for access).
Also sometimes, tightening them very slightly before undoing, loosens them, but that needs care.
If they're really seized there's not much you can do apart from let them snap and deal with it.
Also sometimes, tightening them very slightly before undoing, loosens them, but that needs care.
If they're really seized there's not much you can do apart from let them snap and deal with it.
Cheers,
Mark.
Mark.
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Steve Cooke
- Hardcore
- Posts: 1612
- Joined: 18th Mar 2007
- Location: Southampton
A great deal more complex putting it back on as the cam cover effectively tensions the chain.
When you take it off it is extremely likely that the cam timing will slip.
Especially true if you rotate the engine to check valve clearances for example.
Dont put the cam cover back on with the auto tensioner working and in situ.
Remove the cap and cross slide or you will break the cam cover / damage the chain guide blades!
Sounds like all the valves are OK from the compression figures ~ valve clearances are another matter.
AL
When you take it off it is extremely likely that the cam timing will slip.
Especially true if you rotate the engine to check valve clearances for example.
Dont put the cam cover back on with the auto tensioner working and in situ.
Remove the cap and cross slide or you will break the cam cover / damage the chain guide blades!
Sounds like all the valves are OK from the compression figures ~ valve clearances are another matter.
AL
1981 J1
zorded wrote:A great deal more complex putting it back on as the cam cover effectively tensions the chain.
When you take it off it is extremely likely that the cam timing will slip.
Especially true if you rotate the engine to check valve clearances for example.
Dont put the cam cover back on with the auto tensioner working and in situ.
Remove the cap and cross slide or you will break the cam cover / damage the chain guide blades!
Sounds like all the valves are OK from the compression figures ~ valve clearances are another matter.
AL
I am going through a huge learning curve with motorcycle engines, having built and repaired many 70's and 80's car engines, but this I really cannot fully get my head around.
The cam cover is not exactly tight and has a thick relatively soft gasket, so how much could it contribute to the rigidity of the top of the engine?
Somewhere, over a rainbow, weigh a pie.
1976 KZ900
1976 KZ900
Richard Q
PostPosted: Wed Jan 14, 2015 12:54 am Post subject:
zorded wrote:
A great deal more complex putting it back on as the cam cover effectively tensions the chain.
When you take it off it is extremely likely that the cam timing will slip.
Especially true if you rotate the engine to check valve clearances for example.
Dont put the cam cover back on with the auto tensioner working and in situ.
Remove the cap and cross slide or you will break the cam cover / damage the chain guide blades!
Sounds like all the valves are OK from the compression figures ~ valve clearances are another matter.
AL
I am going through a huge learning curve with motorcycle engines, having built and repaired many 70's and 80's car engines, but this I really cannot fully get my head around.
The cam cover is not exactly tight and has a thick relatively soft gasket, so how much could it contribute to the rigidity of the top of the engine?
Richard this is a later 'J' motor which is subtly different to youre z900.
It doesnt have a wheel attached to the top of the head it has a guide blade fitted inside the cam cover.
AL
1981 J1
Z1parR wrote:Don't torque them , M6 into ally would hardly register on most wrenches anyway .
Just use a short allen key and nip them up .
Agree with Geoff on this i always just nip up any screws into old friable ally ,using the torque wrench built into your hands..
PAULJAC47,,,,,"She may not look like much, but she's got it where it counts, kid."
-Han Solo
You can't polish a turd, but you can roll it in glitter
Salad is what real food eats.
Anon
PUM 673
-Han Solo
You can't polish a turd, but you can roll it in glitter
Salad is what real food eats.
Anon
PUM 673
Apart from two under the coils that I could not get too, they all came undone, well the first half turn anyway, I nipped them back up again as I was going to run the engine, now it says in the book of words to take the air suction covers off, but they seem bloody tight, do I need to do this as it looks that I can still remove it with them on ?.
Farmer
Farmer
1981 KZ1000 K1 LTD
Farm Boy with an O Level in Metalwork and not much else.
Everything in Sussex is a She, Except Tom Cat and She`s a He.
Farm Boy with an O Level in Metalwork and not much else.
Everything in Sussex is a She, Except Tom Cat and She`s a He.
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