1966 Ducati 250 Monza

[DesmoDog]

It's a design classic! What you are planning is a gross violation, people have been hung for doing less to goats.
This would make you worse than a goat botherer.
Can you live with this?

Too funny. When I clicked on "first unread" or whatever I only saw your post and had forgotten I had posted the 851 here. I thought someone was upset I was modifying a '66 Monza!

But as long as I'm here, an update... I haven't heard a word from the guy who is porting the head, I should probably contact him to see how it's going. As for the 851, I still haven't even started it let along ridden it. Project creep has crept into the equation. Haven't done all that much work on it yet but have been spending money on parts I don't really need. Need? No. Want? Oh yeah... ;-)

 

[Texasstar]

I am enjoying this build...I still can't get the image of Xb eating his shorts out of my head. on another note. Zeke was suppose to be doing his home work in class so he got online and found a 250 68 duc. Teacher didn't specify which homework so now we are building a Ducati.

 

[halfpast]

Joined this forum just to chime in on this topic. I also have a 250 Monza and I just completed installation of the Powerdyamo. Not as easy as I expected, but the bike seems to be running well and always starts on the first kick. It's also nice to not have a battery to worry about.

 

[DesmoDog]

It's BAAAAAAAAAaaaaaaack...

After way too many years of working on other things and letting this sit in the orner, it's being worked on again. I can not believe it's been 8 years since I posted here about it (or worked on it).

I retired a few years ago and have been trying to get projects done. A few snuck into the queue in front of this one, but now it's come down to this and another single. The problem is everything sat for so long I've forgotten what I have, what I need, and what goes to which bike. And where the heck I put a lot of things I KNOW I have here somewhere! I'm bolting parts back on this as I find them so I can figure out where I'm at. I also broke one of my "rules" and started stealing parts from this to finish the other bike, so that doesn't help either.

How it looked when I dragged it out of the corner the other day.

Yeah, things went backwards there for a while.

Here it is with the other long term project it's shared space with for the past 20 years or so. I'm working on both now.

And here it is as of today.

Recent progress and a general feel for how it's been going lately. I got some tires for it. Not the final versions... these are 20 years old but at least I'll be able to roll it around.

I mounted the rear one yesterday. Not surprisingly it fought me a little but I got it on there. Put air in it. Dag nabbit, I must have pinched the tube. I hate it when that happens. I think it was because I didn't put a little air in it first to help hold it's shape. I usually do that, not sure why I skipped it this time. Oh well, I can still roll it around, I'll save the fix for when I get real tires.

Today I worked on the front end. Had to pull the front wheel so I figured I'd put the matching tire on front.

Pulled the old tire. It had a bad tube too. I tried to patch it a while back. So I was surprised when I pulled it out - it had enough air in it to hold it's shape. The patch looked good? I put more air in it and could feel air near the patch but couldn't find the leak. More air. There it is. A little pinhole a couple inches from the patch. Missed it the first time around! Time to check the rim but I'm pretty sure it was from when I pinched it the first time.

Whatever. I grabbed the new tube I had bought. Put a little air in it, gave it a little shape. Set it down to look for something. Got back to the tube. Hey, I thought I put air in this?

Ya see where I'm going with this?

Brand spanking new tube. NEVER been mounted in anything, just out of the bag.

Check it out.

That could be a problem.

Now I want to see the rear one, the leak was so fast I thought I must haev REALLY pinched it, but now I wonder if it wasn't junk from the word go.

And that is just one more reason this stuff seems to take me forever to get anything done!

 

[DesmoDog]

After dealing with wonderful new tubes, it's finally a roller again

Thinking about the electrics led to printing a fake battery. I can get a roll of filament for less than what one of these cost so why not? It's not done yet, a few of the parts need to be smoothed. The yellow is a paint pen, it's not worth buying a roll of yellow filament just for that.

I know that up close it's kind of rough but using the old "from 20 feet at 20mph" standard it'll look fine. It's made out of five parts, the top and bottom sections will be smoothed, the center can be used as printed.

 

[adventurco]

Looks great. I love these old ducatis.

I have had good luck using filler primer and paint on PLA, it works great to fill in the layer lines.


Sent from my iPhone using DO THE TON

 

[DesmoDog]

I'm using ASA and starting to mess with using acetone to smooth the parts out. Here are a couple tail lights I've been playing with on another project.

These could still be polished but I've changed the design since printing those so they're just test parts. I'll end up painting the final part I'm sure but they smooth out surprisingly well. I have ruined a couple parts in the process, thin stuff tends to warp as it's setting up after softening, but I'm learning. The final part with ASA is a lot tougher than PLA will ever be. Might be over kill but whatever.

The battery box is now done but I haven't taken more pictures of it.