Author Topic: Cal III oddities?  (Read 825 times)

Online Mwether

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Cal III oddities?
« on: June 30, 2025, 10:49:49 AM »
Hi, all.

Looking at a Cal III and wondering if the stuff at the arrows is OEM?

At the top arrow, that looks like some plumbing hardware added in as a fuel shutoff?

At bottom, were the oil filters outside the sump? Any "Outsider" I've seen before has the filter either deeply recessed or oriented fore and aft. Is this another kind?



Online bmc5733946

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Re: Cal III oddities?
« Reply #1 on: June 30, 2025, 11:24:37 AM »
The outsider oil filter plate is probably from Harper Moto Guzzi, a well-known dealer in Missouri. The "fuel fitting" is most likely for an auxiliary fuel tank.

Brian
1989 MILLE GT 
2006 BREVA 750
2004 BREVA 750     
1975 CONVERT

Online Mwether

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Re: Cal III oddities?
« Reply #2 on: June 30, 2025, 02:23:16 PM »
Thank you, Brian!

I didn't realize that Harper's made two versions. Sure enough, on the pre-98 model the filter is oriented vertically!

https://harpermoto.com/products/harpers-outsider-pre-1998-models-62066?_pos=3&_sid=ac5f9334c&_ss=r


The outsider oil filter plate is probably from Harper Moto Guzzi, a well-known dealer in Missouri. The "fuel fitting" is most likely for an auxiliary fuel tank.

Brian

Offline nc43bsa

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Re: Cal III oddities?
« Reply #3 on: June 30, 2025, 10:29:52 PM »
The "fuel fitting" is most likely for an auxiliary fuel tank.

Brian

Agreed.  It appears the aux tank was mounted to the plate between the side cover and the shock.
1990 MilleGT

Online Mwether

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Re: Cal III oddities?
« Reply #4 on: July 01, 2025, 08:02:30 AM »
Agreed.  It appears the aux tank was mounted to the plate between the side cover and the shock.

Whoa! Good eyes! So the aux. tank has been removed but evidence remains!

Offline larrys

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Re: Cal III oddities?
« Reply #5 on: July 02, 2025, 09:26:54 AM »
Mufflers aren't stock. Was FI an option on Call III's?
Larry
'13 Monster 1100 EVO
'95 Cal 1100
'68 Bonneville

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Offline Tom

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Re: Cal III oddities?
« Reply #6 on: July 02, 2025, 03:06:24 PM »
NO.
From the Deep Deep South out in left field.  There are no stupid questions.  There are however stupid people asking questions.  🤣, this includes me.  😉 Hawaii.

Online Mwether

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Re: Cal III oddities?
« Reply #7 on: July 02, 2025, 06:00:11 PM »
Welp. This was ultimately a helpful academic exercise. Thanks all!

The seller took this bike off the market.

It was not running, but he had no fuel pump whine on startup and figured that was his problem. He said he sold a Harley, which meant he had more room, so he was going to fix the Guzzi and keep it.

At least he's got his priorities straight!  :thumb:

Offline Tom

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Re: Cal III oddities?
« Reply #8 on: July 02, 2025, 07:20:43 PM »
 :thumb: :thumb:
From the Deep Deep South out in left field.  There are no stupid questions.  There are however stupid people asking questions.  🤣, this includes me.  😉 Hawaii.

Offline slopokes

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Re: Cal III oddities?
« Reply #9 on: July 02, 2025, 07:27:49 PM »
:thumb: :thumb:
. Could be a Bub sump and Emgo mufflers— the Guzzi riders way to go….


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