General Category > Bike Builds, Rebuilds And Restorations Only
My "Project 2025" - 1980 Moto Guzzi V50 II
vxn750:
--- Quote from: Antietam Classic Cycle on August 27, 2025, 08:45:48 AM ---Just looks gummy to me, not "burned up". I find that the left carb is often the least dirty of the pair, maybe due to the bike being on the sidestand and gas staying in the left carb longer.
--- End quote ---
Ok, thanks Charlie! I wasn’t sure of the terminology, “gummy” is more accurate :thumb:
I’ll be cleaning it up today.
PS I’ve been following the work you’ve done on your V65 on FB. I’m taking notes. I like your Kawi Z750 side stand mod. I’ve put it on my list when I get to the cosmetic side of things. Oh, and I should have went with the green fuel line hoses :grin:
Ivana
vxn750:
Fuel petcock question:
Should the filter be replaced or just cleaned?
I’ve seen suppliers selling the whole petcock assembly, but the filter itself isn’t as easy to find. Also, it seems like the replacement for the plastic washer is a fiber washer. Sound right?
Antietam Classic Cycle:
--- Quote from: vxn750 on August 28, 2025, 07:58:01 AM ---Fuel petcock question:
Should the filter be replaced or just cleaned?
I’ve seen suppliers selling the whole petcock assembly, but the filter itself isn’t as easy to find. Also, it seems like the replacement for the plastic washer is a fiber washer. Sound right?
--- End quote ---
I usually just clean them unless they're damaged. I do have a few spare new ones if necessary.
The washer MG Cycle sells is some sort of plastic. Fiber might actually be better - the plastic one compresses over time and the petcock needs to be tightened slightly or a leak will result.
https://www.mgcycle.com/index.php?main_page=product_info&cPath=379&products_id=1401
vxn750:
--- Quote from: Antietam Classic Cycle on August 28, 2025, 10:02:02 AM ---I usually just clean them unless they're damaged. I do have a few spare new ones if necessary.
The washer MG Cycle sells is some sort of plastic. Fiber might actually be better - the plastic one compresses over time and the petcock needs to be tightened slightly or a leak will result.
https://www.mgcycle.com/index.php?main_page=product_info&cPath=379&products_id=1401
--- End quote ---
Thanks for all of the info and the offer Charlie :)
I'll take a closer look at the filters :thumb:
vxn750:
Well, I am back at it :thumb:
I'd been out of state and away from my V50 for a couple months.
To recap, prior to leaving I had cleaned and rebuilt the carbs, patched the chewed up wires back together and charged up the new battery. The tank is still off, as I haven't resolved the rust issue yet, so I ordered a little auxiliary fuel tank. I was very pleased with myself when I turned the key, pressed the button and she started right up :grin: Not bad for an old girl who probably hasn't been run since the 80's.
Now that I have confirmation that she runs, I can move on to the brakes. I've got all the parts lined up: Brembo brake rebuild kits, new brake lines, etc. The first challenge is removing the frozen pistons. I've stalled on the pistons since I don't have an air compressor to pop them out. I've unsuccessfully tried a couple different techniques gleaned from online videos. I'll check with a neighbor to see if he's got a compressor and go from there.
Definitely a fine balance between elbow grease, brute strength, the right tools, know-how and stick-to-itiveness that I will be straddling throughout this process. So far, so good.
Question regarding the electrical system:
I'm considering going with Greg Bender's wiring harness/loom setup. Aside from the basics, he does offer a lot of options, upgrades such as the Domino handlebar switches. Has anyone upgraded their fuse box for a modern one that would allow for a 32Ah battery instead of the standard 20Ah? I'm leaning towards upgrading all of the electrical but I'm curious to know what most folks do.
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