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General Category => General Discussion => Topic started by: K-Man on October 02, 2022, 02:30:11 PM

Title: Convert Model Year Differences
Post by: K-Man on October 02, 2022, 02:30:11 PM
Hello,

Does anybody have or know where there might posted a list of the differences / changes made to Converts throughout the various model years?

Thanks in advance!
K-Man
Title: Re: Convert Model Year Differences
Post by: fotoguzzi on October 02, 2022, 02:31:13 PM
Greg Fields book, Moto Guzzi big twins.
Yikes, $95 on eBay. I have a personalized autographed copy.. must be worth big bucks, LOL
Title: Re: Convert Model Year Differences
Post by: bigbikerrick on October 02, 2022, 04:39:21 PM
 I know my 1976 has the beautiful , wire Borrani wheels , which was a prerequisite for me.Later bikes came with alloy wheels. Early bikes also had the stamped steel, failure prone flywheel . Im not sure what year they went to the cast flywheel. One thing I know for sure, is that Converts Rock,and every Guzzisti should have one!  Im sure others will chime in with more specific model year changes.                                                                                             

                                                                                                                            :popcorn:
                                                                                                           
   Rick D.
Title: Re: Convert Model Year Differences
Post by: fotoguzzi on October 02, 2022, 05:46:56 PM
The stamped flywheel was only 1976. It can be reenforced and last a lifetime, you motor will spin up faster BTDT.the later heavy FW is 12 pounds.

(https://photos.smugmug.com/EVert-project/i-B3gB9Kz/0/612b49eb/Th/DSCN1581-Th.jpg) (https://fotoguzzi.smugmug.com/EVert-project/i-B3gB9Kz/A) (https://photos.smugmug.com/EVert-project/i-KF6xBmc/0/e17fbb15/Th/DSCN1524-Th.jpg) (https://fotoguzzi.smugmug.com/EVert-project/i-KF6xBmc/A)


Title: Re: Convert Model Year Differences
Post by: bigbikerrick on October 03, 2022, 05:06:01 PM
So,thats about a  2 lb difference in weight.....Hmm,that seems like quite a bit. I bet you can really feel that  on the "butt dyno"  :grin:
Rick.
Title: Re: Convert Model Year Differences
Post by: chuck peterson on October 04, 2022, 05:58:10 AM
I believe there are really only two versions..

Early was wire wheels, vhb dellorto square carbs and single spring front forks

Later ones were cast wheels, roundslide phf dellorto carbs and a two part G5 fork springs giving a slightly higher from the ground triple clamp

Off the top of my head that’s it..except there were police models w additional wiring for lights/siren/flashers

Anyone else remember the differences?

Oh yeah, I’m not including the California II Converts which have an entirely different frame geometry with taller headstock, longer wheelbase, heavier swingarm…!

Title: Re: Convert Model Year Differences
Post by: fotoguzzi on October 04, 2022, 07:52:16 AM
So,thats about a  2 lb difference in weight.....Hmm,that seems like quite a bit. I bet you can really feel that  on the "butt dyno"  :grin:
Rick.
more like an 8-10 6 # difference
The light FW with ring gear is 6#


(https://i.ibb.co/KNfw5MT/6-CA219-D5-EA31-45-BC-AA0-D-CE919341-FE87.jpg) (https://ibb.co/KNfw5MT)
Title: Re: Convert Model Year Differences
Post by: bigbikerrick on October 05, 2022, 12:56:35 AM
I currently own a 76 Convert, and owned an 84 Cal II automatic for many years. The 76 is a noticeably more nimble bike, with a much lighter steering feel. The Cal II was like a freight train on the highway, though. Very stable, at speed and in crosswinds. Both are great bikes.
Rick.
Title: Re: Convert Model Year Differences
Post by: Antietam Classic Cycle on October 05, 2022, 09:29:29 AM
There were numerous "running changes" to the Convert that can't be categorized as "model year" changes. The tank changed three times: metal flip cap, plastic flip top, then metal cover over a twist cap. Changes to the atf pump coupling and the pump itself. Three different flywheels: stamped bowl, machined with separate ring gear, machined with integral ring gear. Spoke then cast wheels. Iron liners, then Nigusil. VHBs then PHFs. Different switch gear. Different front master cylinders (trapezoidal vs. round). More that I'm probably forgetting...
Title: Re: Convert Model Year Differences
Post by: Kiwi_Roy on October 05, 2022, 06:55:56 PM
I currently own a 76 Convert, and owned an 84 Cal II automatic for many years. The 76 is a noticeably more nimble bike, with a much lighter steering feel. The Cal II was like a freight train on the highway, though. Very stable, at speed and in crosswinds. Both are great bikes.
Rick.
The most desirable model IMHO don't ask me why, its what I have
Title: Re: Convert Model Year Differences
Post by: bigbikerrick on October 06, 2022, 01:26:34 PM
The most desirable model IMHO don't ask me why, its what I have
                                                             



                                                                                                                 :thumb: :thumb:
Title: Re: Convert Model Year Differences
Post by: Bulldog9 on October 06, 2022, 07:59:30 PM
The most desirable model IMHO don't ask me why, its what I have

For whatever reason, there seem to be more 76 models. That's what I have and love it..... Don't know much about the details or history, but I do know mine has the spoked rims and stamped (thin) TC plate thing. I have no idea what the status of the drive pump hex thing is either, but it has 43K miles, and to my and the prior owners knowledge, neither have been messed with. I've had it 2 years, the PO had it 15, and he never touched either.  All I know is it works and works well. I do have one of the machined drive plates and ring gear, and a piece of hex if something goes awry.

I don't think it is stock, but my rear brake rotor is drilled. I also have a bunch of other changes, the airbox is removed and has a Type 3 (?) breather box, a full stainless exhaust from a Bassa and H pipe from a ????. I am also sans the horn covers (wing things) and rear cowl thing. Its a beauty and I love it.


I get a rare day off tomorrow before I am on a plane and back to the sandbox for work, plan to spend the day out on my Magic Carpet ride hunting foliage in Northern Kentucky......
(https://i.ibb.co/0tzPXSn/IMG-20220807-131146817-HDR.jpg) (https://ibb.co/0tzPXSn)