Slow Monster rebuild

350TSS · 20-09-2018, 09:19 PM

Had a good day in garage today, knocked up a head bearing press arrangement from 8mm studding and some “washers” made by using a 54mm dia hole saw. Normally I would have no qualms about a block of soft wood and a lump hammer to get the outer races in but I am a bit nervous of spoiling the “chrome” powder coating. The outer races are not aligned properly in the picture below.

If I press the head races outers in tomorrow then this will be a bit of a milestone, the first thing that I have done that constitutes actual re-building. I mustn’t get too excited though as I have still got an estimated 330 hours to completion.
I gave the tank pattern about 2 hours of a (final?) rubbing down with 2000 and 4000 abrasive pads and got a satisfying polish to it.
I also spent some good thinking/ planning time, a) working out how and where to split the tank mould and b) how and where to mount the front anchor point for the rear brake torque arm. This point b) will have to be a bit of a compromise.
Originally I had intended to mount it directly to the crankcase in the rear most bottom through bolt hole (which was probably designed for a centre stand pivot and is not used on any of my Ducatis). Indeed I tapped the hole to take a bolt to attach the spherical bearing on the end of the torque arm. This would create potentially a clearance problem for the tyre as it is c25mm inboard of the inner edge of the swinging arm leg. Whilst this crankcase bolt hole is almost vertically below the swinging arm pivot, it is at 110mm from the SA centre line, the distance between the centre of the rear axle and the centre of the rear brake pads is 104mm.
I have pretty well worked out what the bracket will look like and am confident I can keep the torque arm as far as possible parallel with the SA through the full range of suspension movement whilst avoiding a clash with the tyre. It will probably take a few iterations of the bracket to get it right, but that is part of the fun.
Also I made excellent progress on the CF belt cover patterns but did not quite finish them - pictures to follow tomorrow.

20-09-2018, 09:19 PM	#11
350TSS Too much time on my hands member Join Date: Jan 2013 Location: Shipbourne Bike: M900 Posts: 1,419	Had a good day in garage today, knocked up a head bearing press arrangement from 8mm studding and some “washers” made by using a 54mm dia hole saw. Normally I would have no qualms about a block of soft wood and a lump hammer to get the outer races in but I am a bit nervous of spoiling the “chrome” powder coating. The outer races are not aligned properly in the picture below. If I press the head races outers in tomorrow then this will be a bit of a milestone, the first thing that I have done that constitutes actual re-building. I mustn’t get too excited though as I have still got an estimated 330 hours to completion. I gave the tank pattern about 2 hours of a (final?) rubbing down with 2000 and 4000 abrasive pads and got a satisfying polish to it. I also spent some good thinking/ planning time, a) working out how and where to split the tank mould and b) how and where to mount the front anchor point for the rear brake torque arm. This point b) will have to be a bit of a compromise. Originally I had intended to mount it directly to the crankcase in the rear most bottom through bolt hole (which was probably designed for a centre stand pivot and is not used on any of my Ducatis). Indeed I tapped the hole to take a bolt to attach the spherical bearing on the end of the torque arm. This would create potentially a clearance problem for the tyre as it is c25mm inboard of the inner edge of the swinging arm leg. Whilst this crankcase bolt hole is almost vertically below the swinging arm pivot, it is at 110mm from the SA centre line, the distance between the centre of the rear axle and the centre of the rear brake pads is 104mm. I have pretty well worked out what the bracket will look like and am confident I can keep the torque arm as far as possible parallel with the SA through the full range of suspension movement whilst avoiding a clash with the tyre. It will probably take a few iterations of the bracket to get it right, but that is part of the fun. Also I made excellent progress on the CF belt cover patterns but did not quite finish them - pictures to follow tomorrow.