Featured 1976 Ducati 450 Scrambler

Discussion in 'Vintage' started by Bridgland, Nov 7, 2024.

  1. I bought a 250 Mk III in boxes in 1976 for £40. Yours looks very similar, but probs cost a bit more :D
     
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  2. Well it’s moved a long way to the left but that’s a different story :D
     
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  3. Waiting for the engine stand to turn up with the suspension rebuild bits, then once the shocks and forks are rebuilt, I plan on tackling the engine. It was put away with fresh oil in it 30+ years ago, and turned over with some decent compression, so I am hoping the 2,200 miles on the clock are genuine and the engine just needs minimal work.

    Going to see if I can get a full 12V and electronic ignition kit from Lacey Ducati plus bolts and bearings to do a full internal refresh, but first need to strip the engine, then get the casings vapour blasted and coated.
     
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  4. Shocks done and Side Panels came up with soap and cloths. Front forks will be striped next and then onto the engine.

    Getting a nice pile of bits ready ready for sand blasting the Frame, Fixings and getting the bolts plated.

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  5. £1,500 before I start the restoration......
     
  6. Lots of things have been going on over the last few weeks. Loads of parts bought and bike now in bits and distributed into boxes and many parts with the Powder Coating and Cerakoting and I am in the middle of stripping the engine with it all coming apart finally this weekend, so I can get the cases vapour blasted and cerakoted to get ready for the rebuild. Getting the swingarm out was a real bugger and due to the design, it only has one grease nipple at one end, which makes me wonder how the grease gets from one end to the other of the swing arm.

    While waiting for the parts to come back, I did an evening ultrasonic clean and rebuild of the carb, with a bit of Autosol it came up nice, as the new trumpet was puttin ght rest of the carb body to shame!

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    #28 Bridgland, Apr 15, 2025
    Last edited: Apr 15, 2025
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  7. Looking good.

    Ha! - timing punch marks on bevel gears :) I can't remember, but do the lower gears have flats ground on them so you can get the meshing correct?

    I like the engine stand, self made or bought in?

    And I've just noticed the carb fuel feed has two inlets - what's that all about ??? :thinkingface: One from each side of the tank perhaps?
     
  8. Yes, as the tank 'saddles' the frame you need a tap on each side to use all the fuel.

    I had a 250 Scrambler back in the day and, due to being a poor student would usually be running low on fuel so having 2 taps gave me a 'double' reserve, meaning an extra chance of making it home without buying any petrol...
     
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  9. The lower gears have the dots too.

    Stand was bought in.

    Exactly, two taps in the tank.
     
  10. Rather than the timing mark dots I was wondering whether the lower gears have the factory grind marks on the mated gears to allow for their correct mesh setting. Here a picture of the top ones:

    bevel4.JPG
     
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  11. Chris, thought I had a 450 brochure, but only have a 250 one. May be of interest.
    ducati_scrambler_250378.jpg
     
  12. Not sure. Will check.
     
  13. Thanks but the later 450s are widecase and quite different. Thanks for thinking of me.
     
  14. Slow Scrambler weekend with lots of seasonal household jobs with cleaning to get ready for summer. I started to get to grips with the new wiring loom, as everything was pretty much disconnected when I got the bike and looking to change the electrical management system to a Motogadget system with push buttons on the bars. Also adding LED indicators and full LED lighting. Will also look to move the ignition lock to a new 3D printed mount and LED dash lights attached to the speedo and rev counter housing (still to be designed).

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