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General Category => General Discussion => Topic started by: John A on February 17, 2023, 09:41:14 AM

Title: MV Agusta video
Post by: John A on February 17, 2023, 09:41:14 AM
Agusta replicas, https://youtu.be/NAo2IjDqeS0
What do you think the attachment on the center triple tree post is? Vibration damper ?
Title: Re: MV Agusta video
Post by: cliffrod on February 17, 2023, 01:00:38 PM

What do you think the attachment on the center triple tree post is? Vibration damper ?

If you mean the long black bar/tube on each bike, attached to top of the steering stem on each bike- it is an upper fairing mount


(https://i.ibb.co/Ks1M6CJ/C989-F774-349-F-4421-930-C-003-B9814-E7-CF.png) (https://ibb.co/Ks1M6CJ)
Title: Re: MV Agusta video
Post by: John A on February 17, 2023, 01:34:23 PM
If you mean the long black bar/tube on each bike, attached to top of the steering stem on each bike- it is an upper fairing mount


(https://i.ibb.co/Ks1M6CJ/C989-F774-349-F-4421-930-C-003-B9814-E7-CF.png) (https://ibb.co/Ks1M6CJ)





That sounds right, thanks
Title: Re: MV Agusta video
Post by: bigbikerrick on February 17, 2023, 06:36:30 PM
Those are some serious machines! The breather setup is interesting.Almost looks like it was made with automotive radiator hose.
Rick.
Title: Re: MV Agusta video
Post by: drburt on February 17, 2023, 06:52:18 PM
I've often wondered, why do they rev the throttle like that?
REV, REV, REV, REV, REV, REV, REV, REV...

Thanks,
Brent
Title: Re: MV Agusta video
Post by: cliffrod on February 17, 2023, 07:36:58 PM
I've often wondered, why do they rev the throttle like that?
REV, REV, REV, REV, REV, REV, REV, REV...

Thanks,
Brent

Old race bikes typically have carbs that have no idle circuit.   so if revs aren’t up, they stall. 
Title: Re: MV Agusta video
Post by: nc43bsa on February 18, 2023, 01:43:01 AM
They also have very light cranks.
Title: Re: MV Agusta video
Post by: Moparnut72 on February 18, 2023, 06:06:56 AM
I could never understand that. My race outboards had the idle circuits disabled. On a cold start I held the throttle just high enough to keep them running to get some heat into motor before I hammered them.
kk
Title: Re: MV Agusta video
Post by: drburt on February 18, 2023, 08:39:45 AM
Old race bikes typically have carbs that have no idle circuit.   so if revs aren’t up, they stall.
They also have very light cranks.

Makes sense. Thanks for the explanations.
Brent
Title: Re: MV Agusta video
Post by: moto on February 22, 2023, 10:24:05 PM
Well, the guy who was holding Agostini’s throttle for a while was just maintaining an engine speed high enough not to stall. So the reving is optional.

Moto