can't get the cam apart

maia · Post by **maia** » Sat Sep 05, 2009 8:14 pm

I have managed to get one side of the cam apart by following my manuals advice and tapping it out with a piece of wood and a mallet. The other side (tach drive side) will not separate from the center cam sprocket. I have removed the nut from the end of the camshaft lock bolt so now I have the cam hanging out of the case! Maybe I should drive it back in and try a different method. Any ideas other than the old torch method being careful not to heat up the advance springs. On a similar subject...it seems to put that kind of side load on the bearings getting them out can't be good for them (i'm planning on replacing them anyway if I can get the damn cam out). The bike been sitting a while so maybe it's just a matter of persevering. Thanks for any ideas.

davomoto · Post by **davomoto** » Sun Sep 06, 2009 11:52 am

Thread the nut part way back on, and tap it in with a hammer. It's a wedge type of locking device that spread the splines outward, locking it to advance unit.

davomoto

Goodysnap · Post by **Goodysnap** » Thu Oct 01, 2009 7:23 pm

I just took my cams apart tonight and fought them as well. The splines were very stuck at the sprocket to the tach side cam . I was able to use a flat blade screw driver through the sprocket end . Theres a flat slot for the point cam that the screw driver fit through, so I could hit directly on the cam with the sprocket resting on the head casting. Worked for me , but it took some solid hits and it only moved a little at a time. Did you finally get it?

maia · Post by **maia** » Thu Oct 01, 2009 7:35 pm

Finally took it into my local independent bike shop, He used a very localized heat source to heat up the area the splines are in and managed to free it. Seems the oil had sort of carmelized in there and glued it together.

LOUD MOUSE · Post by **LOUD MOUSE** » Thu Oct 01, 2009 8:49 pm

Chances are good ya melted the neoprene on the advance weights.
Ya will hear a CLICK, CLICK, CLICK when it runs if ya did. ............lm

maia wrote:Finally took it into my local independent bike shop, He used a very localized heat source to heat up the area the splines are in and managed to free it. Seems the oil had sort of carmelized in there and glued it together.

Goodysnap · Post by **Goodysnap** » Fri Oct 02, 2009 5:17 am

I was planing on tack welding the rivets that are loose , but now you got me wondering if I might ruin something. Is this an Ok fix or is there something better? Thanks , Brent

LOUD MOUSE · Post by **LOUD MOUSE** » Fri Oct 02, 2009 7:21 am

If the sprocket is loose from the sprocket assy. (moves)
Ya can wire feed weld it.
Be sure that ya don't get the part hot enough to destroy the neoprene.
I had a couple done and the welder needed to use a high carbon wire. .............lm

Goodysnap wrote:I was planing on tack welding the rivets that are loose , but now you got me wondering if I might ruin something. Is this an Ok fix or is there something better? Thanks , Brent

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