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General Category => General Discussion => Topic started by: FrankenGuzzi on March 11, 2025, 12:13:00 AM

Title: What engine do I have?!
Post by: FrankenGuzzi on March 11, 2025, 12:13:00 AM
As my username implies, I recently purchased a "FrankenGuzzi". Previous owner had the bike for 10+ years, but didn't know much about it. From what I've figured out, the bike started out as a '73 Eldorado. Front forks are from a V1000 Convert. The motor has me stumped, though.  :undecided: It's a 1000cc w/five-speed trans. I've posted some pics, but please let me know if there is another way to positively ID the motor as I need to order parts. Many thanks!

(https://i.ibb.co/jkzmvTsp/Moto-Guzzi1.jpg) (https://ibb.co/jkzmvTsp)

(https://i.ibb.co/0R99v599/20250307-194047.jpg) (https://ibb.co/0R99v599)

(https://i.ibb.co/ZzthPTzM/20250307-194115.jpg) (https://ibb.co/ZzthPTzM)

(https://i.ibb.co/MycYJ3dm/20250307-194122.jpg) (https://ibb.co/MycYJ3dm)

(https://i.ibb.co/KjkJbGTY/20250307-194211.jpg) (https://ibb.co/KjkJbGTY)

(https://i.ibb.co/8DZxF495/20250307-194859.jpg) (https://ibb.co/8DZxF495)
Title: Re: What engine do I have?!
Post by: Turin on March 11, 2025, 12:38:18 AM
looks like you have an Sp1000 / G5 / convert engine (VGprefix on engine #s)Those have cast iron bores, so no chrome flaking to worry about. I like it!
Title: Re: What engine do I have?!
Post by: guzziart on March 11, 2025, 06:20:39 AM
Yeah, nice, some folks went through the effort & expense to keep another old bike on the road, enjoy!  :thumb:
Title: Re: What engine do I have?!
Post by: Frenchfrog on March 11, 2025, 06:53:03 AM
There will be a serial code letter  and number just next to the oil filler on the crankcase.That will tell you what the case is but of course the heads and the rest might have been replaced.
Title: Re: What engine do I have?!
Post by: FrankenGuzzi on March 11, 2025, 03:29:58 PM
There will be a serial code letter  and number just next to the oil filler on the crankcase.

VG 130941 is stamped next to the fill plug.
Title: Re: What engine do I have?!
Post by: Antietam Classic Cycle on March 11, 2025, 03:54:27 PM
looks like you have an Sp1000 / G5 / convert engine (VGprefix on engine #s)Those have cast iron bores, so no chrome flaking to worry about. I like it!

This ^^^^.
Title: Re: What engine do I have?!
Post by: FrankenGuzzi on March 11, 2025, 05:02:58 PM
Thanks, all.

Looking forward to being a contributing member here.  :thumb: