UK Buell Enthusiasts Group
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Q: engine rotation
https://www.ukbeg.com/forum/viewtopic.php?f=8&t=2159
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Author:  gunter [ 17 Aug 2009 11:41 ]
Post subject:  Q: engine rotation

A question regarding engine rotation: must I disconnect to oil lines (old type, all lines at the bottom of the swingarm) or will they bear the bending? I need access to the front rocker box cover, could this be done without fully rotate the engine and leave it on the jack halfway down?

Author:  Scott [ 17 Aug 2009 12:05 ]
Post subject:  Re: Q: engine rotation

Oil lines OK left connected on '04 XB, except (2) at base of oil cooler.
Engine always supported by jack/blocking.
Once you're in there, why go only half-way?
: )

I was impressed with XB's multiplicity of mounts re-aligning so nicely at engine reset following rotation.
However, now it seems to vibrate and shake differently than it did before rotation, particularly at hard decel/braking.

Author:  gunter [ 17 Aug 2009 13:17 ]
Post subject:  Re: Q: engine rotation

Thanks for the reply. I was asking about halfway rotation in case the oil lines would be stressed too much. So I will give it a carefull try this way.

I always try not to disconnect oil cooler lines, but leave v-bracket mounted to the engine and have it rotated with it. Oil lines are a PITA to install.

Author:  Scott [ 18 Aug 2009 12:30 ]
Post subject:  Re: Q: engine rotation

Novice at this/Buell: I followed '05 factory service manual's procedures.
Good tip at oil-cooler & Y-bracket.
A lot of disassembly - reassembly with engine rotation, none of it tricky.

Author:  gunter [ 18 Aug 2009 13:23 ]
Post subject:  Re: Q: engine rotation

Procedure as described in the SM is much too time consuming.

I usually
- remove chin spoiler,
- remove sprocket cover,
- remove muffler,
- remove driver footpeg mounts,
- unfasten coil, but leave it in place,
- release clutch cable from handle,
- disconnect rear oil lines to swingarm at engine (and found out yesterday that it's not necessary, just as you said),
- support engine by a jack,
- disconnect v-bracket from frame,
- disconnect upper tie bar at engine and rear tie bar at frame,
- losen rear isolator pivot fastener,
- remove front mount
and then I'm ready to rotate the engine.

I don't remove fuel line, connectors and the venturi stack. The wire harness can be released in the middle of the front also and follows the engine nicely without being stretched.

Author:  Spook [ 19 Aug 2009 08:50 ]
Post subject:  Re: Q: engine rotation

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