A Couple of Misc Questions

Okay so I've hit a couple of snags with my ongoing project:

1) The front engine mounting bolt. The damn thing was welded to the block using some form of alien technology I think. After much fighting I cored both ends with a smaller cobalt drill bit (Which I snapped!) and cut it in half with diamond Dremel disks. Lots of swearing later most of it is out but the bits that go through the block are still in. Basically what size are the holes supposed to be? I'll have to drill it out right up to the ally block and I need to know what size bit to buy.

2) The top yoke, how does it come off? Handlebars and big silver nut are off but it won't budge. Does the ignition have to come out as well, if so how?

Front engine mount is 10mm

If you removed the centre nut and loosened the clamp bolts you need to just take the weight of the front not enough to lift the wheel and the top yoke will come off but may need a few taps with a wooden or plastic drift and hammer

1) If you do a forum search there's a lot of info on the mounting bolt. It's a pig.

2) Have you released the fork tube clamp bolts at the top of the fork tubes? I have found that sometimes the yoke might need some gentle persuasion from a rubber mallet to help it off, especially if it hasn't been off in a long time.

As the guys have said just that top nut and the yoke to stanchion bolts are all its held on by and taking the wheel off and so there is no weight will help. If you are going to give it a persuasive tap put the top nut back on by two threads just incase

Failing that pull the forks out and give it a wiggle.

Dan

Thanks guys, I'll get a 10mm bit on order.

As for the top yoke: The front end is entirely off, no forks (took them off to rebuild them) so it's just the yoke I'm dealing with. If it's just being held on by the top nut and stanchion bolts I'll try being a little more 'persuasive' with my mallet. I didn't want to start wailing on it if it was still held on somewhere I couldn't see at the ignition barrel!

Thanks guys!

ignition barrel just has two bolts into the yoke.

if in doubt check the diagrams on the lings part site - it's pretty good for figuring how to dismantle stuff.

Dan