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 The comprehensive GRiSO exhaust thread....

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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7905
Join date : 2013-05-30
Age : 64

The comprehensive GRiSO exhaust thread.... - Page 21 Empty
PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Thu Oct 22, 2020 3:42 am

90-95 from a 2V 1200 is a bit optimistic. Probably md seventies is closer to the mark. They are a nice engine though and do very high mileages with little work.
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Oz1200Guzzi
Don Abbondio
Don Abbondio
Oz1200Guzzi

Posts : 4978
Join date : 2014-03-14
Age : 66

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Thu Oct 22, 2020 10:51 am

No such thing as a stupid question. Now, stupid answers come into a different category - hope you receive none!

Specs for the 1200 2V Sport quote "better than 95 HP" - what they were measuring and where is never quite stated for some reason. Pete is probably spot on with his estimate of mid 70s at the rear wheel. However, properly mapped, the 2V 1200 will go all day and is very easy on parts. I replaced my rings at 140,000. Didn't need to as the originals were exactly the same as the "worn" ones. In fact everything was still in spec and I have not been as gentle as I could have been in the previous years of ownership.

Put in a Beetle map and you will enjoy a bike that should have come from the factory that way, but didn't.
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Joeker80
Carlotto
Carlotto
Joeker80

Posts : 32
Join date : 2018-04-20

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PostSubject: No muffler   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Tue May 04, 2021 9:04 am

Well, in trying to remove my exhaust so that I could reach the rear tire bolts easier, the exhaust clamp holding the muffler on broke. While I was having the tire replaced at Cycle Gear, I asked if they had exhaust clamps, and they did not. So, I got home, slapped the wheels back on the GRiSO, and rode to an auto parts store to see if they had exhaust clamps. I FELL IN LOVE with the sound of the exhaustless GRiSO. I want that every single day. Now I know that a lot of you talk about the GRiSO being a pig without the right exhaust, but I frankly don’t care all that much. You see, the GRiSO, for me at least, is an around town motorcycle, and I use the Norge for more lengthy adventures. Therefore, things like fuel mileage, and any lack of power (which I certainly couldn’t feel if there was any) are pretty low on the priority list me. All that being said, what exhaust would get me as close as possible to the exhaustless sound???
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7905
Join date : 2013-05-30
Age : 64

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Tue May 04, 2021 9:08 am

So you want your engine to run poorly and be really annoying to other people in an urban environment?

How odd.
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Joeker80
Carlotto
Carlotto
Joeker80

Posts : 32
Join date : 2018-04-20

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Tue May 04, 2021 9:27 am

I know Pete. I will say that absolutely no exhaust was perhaps a bit loud, but something only slightly quieter would be right up my alley. I know it’s not a popular opinion on this forum, but it’s what I like. The sound seemed to fit the GRiSO quite well. My idea for the GRiSO is to make it my “hot rod”. I respect the opinions of everyone on here, and the info you guys have provided over the years has been quite helpful, and I certainly expect a bit of poking with a post like this. That being said, I am really interested in some options for the sound I’m looking for.
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charliebigonions
Montanarolo
Montanarolo
charliebigonions

Posts : 13
Join date : 2014-09-15

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Tue May 04, 2021 4:55 pm

Some knucklehead got a shorty for his 1100 from Radiant Cycles LLC:
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lcjohnny
GRiSO Capo
GRiSO Capo
lcjohnny

Posts : 281
Join date : 2016-01-26
Age : 66

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Tue May 04, 2021 5:30 pm

Model specific (lol) [You must be registered and logged in to see this link.]
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7905
Join date : 2013-05-30
Age : 64

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Tue May 04, 2021 5:37 pm

Yup, if you really want your bike to run like a sack of shit below 6,000 that’s the pipe to go for. Expect a lot of community resentment and some nice fat fines if the local cops are on their game. As an added bonus you may get to find out how ‘Cool’ it is to have your bike drop a valve!
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Leone
Tanabuso
Tanabuso
Leone

Posts : 66
Join date : 2019-02-18
Age : 43

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Wed May 05, 2021 4:09 am

"Shorty" exhausts are a bad idea on pretty much any big twin.

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charliebigonions
Montanarolo
Montanarolo
charliebigonions

Posts : 13
Join date : 2014-09-15

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Wed May 05, 2021 8:48 am

Pete Roper wrote:
Yup, if you really want your bike to run like a sack of shit below 6,000 that’s the pipe to go for. Expect a lot of community resentment and some nice fat fines if the local cops are on their game. As an added bonus you may get to find out how ‘Cool’ it is to have your bike drop a valve!

"Always with the negatives waves, Moriarity.  Always with the negative waves"

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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7905
Join date : 2013-05-30
Age : 64

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Wed May 05, 2021 9:26 am

Nope, just basic principles of exhaust design.
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Steak
L'Innominato
L'Innominato
Steak

Posts : 2828
Join date : 2013-05-29
Age : 56

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Thu May 06, 2021 6:16 am

Consider something like a Quat-D slip on. Plenty of bark, but still serves the purpose of an exhaust.

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2012 MOTO GUZZI GRiSO 1200SE

2013 MOTO GUZZI STELVIO 1200NTX - Orange Blossom Special
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Joeker80
Carlotto
Carlotto
Joeker80

Posts : 32
Join date : 2018-04-20

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Thu May 06, 2021 10:50 am

Thanks Steak!!
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SMTCapeCod
Grignapoco
Grignapoco
SMTCapeCod

Posts : 113
Join date : 2020-12-18

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 21 Icon_minitime1Thu May 06, 2021 12:12 pm

Charliebigonions wrote:


"Always with the negatives waves, Moriarity.  Always with the negative waves"

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