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« Last post by nikwax on March 21, 2026, 11:33:00 PM »
Ever consider a "strap wrench"? They handle all filter configurations.
Doesn’t really work on a recessed filter such as the Breva’s.
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« Last post by Joliet Jim on March 21, 2026, 11:03:22 PM »
If I let it I'm sure the Metz 880 on the back of the 1100 Stone will easily last a second decade.
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« Last post by bad Chad on March 21, 2026, 10:07:07 PM »
No, it doesn't sound like pre detonation, it's more of a vibration sound.
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« Last post by bad Chad on March 21, 2026, 10:05:21 PM »
I ran it with regular 89 oct a few times and didn't notice much difference. As noted it calls for 90 USA octain. I wouldn't push your luck using 87, but if you're not riding it hard in very hot weather, you shouldn't have any issues with 89. That is a great bike Tom, I hope it does you well.
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« Last post by John A on March 21, 2026, 09:37:27 PM »
That Studebaker in the museum at the Elkader city park, home of the Iowa rally, has the original tires on it. I don’t remember the cars year, maybe 1909. I think they held air but l wouldn’t take it on the freeway 
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« Last post by Tkelly on March 21, 2026, 09:18:19 PM »
Thanks Bulldog,makes sense ,my Stelvio is 3 years older and does fine on regular,a more modern bike should do likewise,I will see how it goes and report back.
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« Last post by DoubleGuzzi on March 21, 2026, 08:54:01 PM »
Ever consider a "strap wrench"? They handle all filter configurations.
I use one with a metal strap: it can sometimes be awkward on semi-recessed filters but mostly there's just enough purchase to do the job. All the spin-on filters that I've come across, you install with a firm hand tightening, so at worst to remove, just puncture the filter with a large screwdriver and spin it off. Gets kinda messy though.  IIRC, the Monster 600 had a semi-recessed filter but the 955 Sprint ST one was fully recessed and I had to buy the relatively expensive large hex tool to remove/install.
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« Last post by Bulldog9 on March 21, 2026, 08:51:46 PM »
I've had that issue, and will put a shop cloth between the filter and wrench/cup, and tap it on with a hammer. Usually works without issue. I also drill 2 holes in the wrench/cup so if it is really stuck I can screw 2 sheet metal screws through the cup and into the filter/ A bit messy, but that always solves the problem.
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« Last post by Bulldog9 on March 21, 2026, 08:46:53 PM »
I get pinging in all my bikes if I don't use 91 or 93. Norge, Griso, 1200 Sport, V7. Not enough experience with the V85 yet, but I assume it will be the same. The only one that doesn't is the Convert, but I use 91+ anyway. Same with my lawnmowers and gas yard tools. For me it is a protective measure when running an air cooled motor. Not as big of an issue in cooler temps or easy riding, but in the heat, or in aggressive riding, 91+ is a given for me.
My 912E is an aircooled 4 and tolerates 87 without issue except on some hot days and strong pulls, I have had some pinging, so it gets the 91+
All that said, when I used the Stornello to commute to the Pentagon in 2018-2021, I usually used regular as it was mostly a put put back and forth, but in the summer heat, I used 91+. Thankfully, my DD takes 87 without issue.
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« Last post by Tkelly on March 21, 2026, 07:50:09 PM »
I’m interested in real world experience,anyone?
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