TDC Cam timing Quiery

[garth]

Hi

Just done a head gasket on the DR350 engine. When putting back together I was sure I got the cam timing right. It has a locating pin on the cam and two bolts on the cam sprocket that I thought can only line up in one way therefore making it fairly difficult to get it wrong, assuming the cam is lined up with the notch on the cylinder head.

On TDC on compression stroke there is clearance between both rockers.

Anyway I can check to make sure I'm right without stripping the bastard down?
____________________
You ain't a has been if you never was

[hmmmnz]

i didnt see a question in your "query"
what exactly are you asking?? is what you have done is right?
or whether you can check the clearances with the top still on??

is it over head cam or push rod??
____________________
the humans are dead
I kick arse for the lord
Wiring Diagrams BIDNIP it bitches

[garth]

I want to check the cam timing is right. OHC
____________________
You ain't a has been if you never was

[spikenipple]

Very gently turn the engine over with a big socket/bar on the alternator nut and if it turns over freely a couple of times then it's fine.
If it was more than the tiniest bit out, the piston would be hitting one of the valves.
____________________
C50 > GN250 > XJ600 > SV650S K7 > 2001 RSV Mille R > MT-09, XR400R > 2005 Fireblade (trackbike) + 2022 MT-09 + ZXR400 race bike

[Odie]

What about the timing marks on the fly wheel, do they line up?
____________________
You are so ugly when you were born the doctor said "I?m gonna drop it, if it falls is a rat, if it flies is a bat."

[garth]

If it was 180 degrees out, would it still turn over? Is that even possible?

It does turn over freely.
____________________
You ain't a has been if you never was

[Ichy]

You need to take the cover off to check properly. Hopefully I've got the right bike .

Just get the piston at top dead centre using the inspection hole on the stator side cover.
Next put the cam in with the lobes facing down, and put the sprocket on the cam and slip the chain on. there will be a line on the sprocket that should be perfectly horizontal, and a pin in the way on the cam, so the sprocket can only be installed one way.

Once thats done put your camchain tensioner in, and verify once again your still at TDC and that the cam sprocket line is perfectly horizontal.

Why the question, is it not starting?

If you've turned the engine over a few times by hand and it all feels good then stick the plug in and try starting.

[garth]

Yea thought the sprocket could only go in one way.

Pretty sure it's ok... Where it was put together a few weeks back my memory is mind fucking me!
____________________
You ain't a has been if you never was

[Pete.]

[garth]

[Barry_M2]

[garth]

^^

Yep, I'm doing the clearances tonight.

oli
____________________
You ain't a has been if you never was