What did you do to or for or with your Laverda today?

Repair of a knackered sump plug. The stripped thread had already been "cut" to M16, causing the tap to wander off at an angle due to the internal casing wall. Made a plug that threaded into the shitty thread, had it laser welded inside and out, drilled a pilot bore, milled the sealing surface flat and re-cut the original M14x1.5 thread perpendicularly.

Easy peasy. ;)

A Time-sert or Helicoil isn't as "easy" as it may seem in this particular case, a manually cut thread for the insert will wander off, just as in the decribed case above. The crankcase solidly mounted to the milling table and a chuck-mounted tap would probably be fine.

piet

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Vince said:
The only comment I could make is maybe slotting the shock mount hole so you don't need to completely pull the bolt. Just loosen and pull them up. I am a lazy buggar.
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I had considered that, Vince, but slotting them would leave a partial load on the metal sleeve in the top supension bush which would distort it and, possibly lead to a suspension failure.
 
Restoration of the choke lever so as not to use a spare.
The original mount was half molten. The lever itself will polish up nicely.
Paul
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Finally got the swing arm spindle out of the Jota. Shaft had seized on the centre spacer and one f the bushes. Not due to lack of maintenance as it got greased regularly.Anyway required a replacement spindle that was gifted to me by a fine fellow in QLD. Bearings have arrived so soon back on the road😊👍
Tom
 
ozijotati said:
Finally got the swing arm spindle out of the Jota. Shaft had seized on the centre spacer and one f the bushes. Not due to lack of maintenance as it got greased regularly.Anyway required a replacement spindle that was gifted to me by a fine fellow in QLD. Bearings have arrived so soon back on the road😊👍
Tom
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Is that the SF swinger, Tom? Can't remember whether it had bushes or bearings in it. Are you retaining the bushes and spindle? Bit of a common issue where the spindle seizes, so the needle rollers are a good fix at the end of the day.
 
ozijotati said:
Finally got the swing arm spindle out of the Jota. Shaft had seized on the centre spacer and one f the bushes. Not due to lack of maintenance as it got greased regularly.Anyway required a replacement spindle that was gifted to me by a fine fellow in QLD. Bearings have arrived so soon back on the road😊👍
Tom
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Grease normally doesn't penetrate between spindle and spacer, rust is quite common if no preventive measures are taken when assembling.

piet
 
I fitted the centre stand and springs today on my RGA Sprint. I did a variation on stretching the spring: I flexed the springs to one side and then the other, fitting M6 washers on either sides of the spring, until it was extended enough to slip over the frame mountings.
 

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Found some tight valve clearances on the Jota, as part of Breganze pre checks. None of the right shim size in stock (and no time to buy new), so out with the wet-n-dry and a piece of glass for an hour of drawing the figure 8, grinding them down to new spec.
 
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Haggis said:
Found some tight valve clearances on the Jota, as part of Breganze pre checks. None of the right shim size in stock (and no time to buy new), so out with the wet-n-dry and a piece of glass for an hour of drawing the figure 8, grinding them down to new spec.
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Case hardened i would have thought, are various types of after market shims of course. Or the idiot whom linished the bucket on one of my inherited engines, lost the "clocking" radius, removed the case hardening and buckets collapsed with 100kms to home... numpty. j
 
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