Is it possible to open the gear case on an xb9r-03 without first removing the cylinder head and hydraulic lifters as it say´s in the service manual.....need to have a little look

Thanks/

Michael

Yes.
Rotate the engine down, remove the front rocker assembly and put the rear pot at TDC on compression stroke.

_________________
Mithered ta death.
92 MB
96 S2T
98 S1W
00 M2
01 X1
03 P3
10 CR

OK..you sort of lost me with pot and tdc....does that mean the back piston should be in a full upwards stroke.

Thanks/

Mike

pot=cylinder
tdc=top dead centre

so, yes

Both valves closed.

Be VERY careful when you reassemble, if you bolt the rocker gear down too fast, you'll do some serious damage ie bend valves etc. Follow the manual instruction exactly

_________________
If your dreams don't scare you, they are not big enough.

Yeah not just TDC but on the compression stroke so both rear valves are shut or you will have pressure on the cams when you try and remove the cover.

_________________
Norrie.

Say ist, did you sort that miss fire problem?

N.

From the question above, I'd say that's a work in progress Nate.

_________________
Good in straight lines
2001 X1 "The Tart's Handbag"
2001 FZS1000 "The Fridge"

problem being I have no comp, or not much....have not found a comp-tester that fits yet so I can't say exact numbers and what cylinder the problem is but I can rotate the back wheel forwards and backwards with a little effort in 1st gear..I´m hoping thats its just the nut thats loosened on the pinion gear..but if the valves are stuck does this mean I can't just do like MAZ said??

As the man said ....work in progress.....turned out to be nothing simpel....of course!!

You don't need a Compression tester, just stick a tie wrap or bit of copper wire down the plug hole a feel where the piston is. If you look at what the rockers are doing you can see when the followers are on the heel of the cam.

_________________
If your dreams don't scare you, they are not big enough.

A friend that´s pretty good at "jap-mechanics" recomends that I do a comp-test before starting dissasembly...is it just a waist of time trying too find someone who´ll lend me a comp-test or is this something I should see through before lower the engine?

and here's the rest of the problem that´s been hounding me....
viewtopic.php?f=7&t=1596
viewtopic.php?f=7&t=1654

Sort of academic if the cam drive gears have failed ie. you will almost certainly have bent valves, broken guides, damaged pistons etc.

_________________
Mithered ta death.
92 MB
96 S2T
98 S1W
00 M2
01 X1
03 P3
10 CR

Just out of interest ist, do you mind telling which oil you used please?

N.

So possibly another fucked XB engine?
How many miles are on it?

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Norrie.