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Author Topic: Vincent Black Shadow complete engine repair, rebuild and modification  (Read 1040 times)

Offline buellingvincent

  • Posts: 25
Moving my stuff to a new thread as advised by Moderator and others.
Some of the initial posts are still at "1948 HRD Vincent -Ashtray to Driveway".

/ Patrik
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« Last Edit: Jun 13, 2018, 06:16:33 by buellingvincent »

Offline buellingvincent

  • Posts: 25
I got a bit further with my bike. Hope to get the top ends bolted on this weekend and start putting the timing side parts back again.

A picture of a the primary cover just hanging in the belt.
The outside of the pulley is now only sticking out about 17 mm (2/3").

Patrik







Offline buellingvincent

  • Posts: 25
To make room for the dynamo belt pulley it is only about 2,5 mm (1/10") material left on the primary cover behind the lower side of the dynamo cover.
Patrik




Offline buellingvincent

  • Posts: 25
The top end is on. Time to move over to the timing side!


Offline buellingvincent

  • Posts: 25
Been working intensely for a few days as we have an extra long weekend (bank holiday and bridge day) in Sweden this week.

Went through the primary side a last (!) time and sealed with various Loctites. First, the gearbox internals had to go out again as the gear change was rough. Had to round off the tip of the selector pawl. After mounting the selector pawl plug G37 it fouled the clutch belt wheel and I had to lower the G37 to make it work (first time I had that on while testing with the belt primary).

Have since then assembled the timing side main parts. Will fix pushrods+rockers today and then start setting the timing.
Much more fun to assemble than repairing and modifying parts.

 :) Patrik








Offline buellingvincent

  • Posts: 25
 >:(
Forgot to put the pushrod tubes on.

Of the heads go, again 😖

------------------

Done !

Nice and clean in the garage?


Offline buellingvincent

  • Posts: 25
Much more progress now when I don't only have to repair/modify/fix things. More fun as well.
Patrik


Offline buellingvincent

  • Posts: 25
Visually not a very big difference but a whole weekend spent. Now the gear change mechanism is working and kick starter fitted. Carb adaptors fitted. Timing gear re-checked and done. Timing cover now fits (I believe). Ripped the gasket though. New push rods fitted.

Time to assemble the oil pipes, carbs and set the ignition timing!

The rest of the bike finally seeing sun light after 13 years in the dark. Got a degreasing spray before washing later this week.

/Patrik




Offline buellingvincent

  • Posts: 25
Soon time to attach front forks and swing arm (rear frame member - RFM).


Offline buellingvincent

  • Posts: 25
Good progress after an intense weekend.
Patrik