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 Valve clearance and flywherl references

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Pete Roper
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Carlotto
Carlotto
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PostSubject: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Mon Dec 18, 2023 9:37 am

Ho, Yesterday i Ve checked the Valve clearance on my 1100.
They are ok but i was not able tò use the references on flywheel tò find PMS of both cilynders.
I have Just a S, corresponding about at PMS of tight cyl, and a J that i was not able tò know what It means.
I checked the valves using a tube in Spark plug hole tò find PMS.
Is It normal???
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Pete Roper
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Mon Dec 18, 2023 12:03 pm

Yes, later bikes no longer have flywheel markings, there's no need. Ignition timing is fixed and triggered by the phonic wheel on the end of the cam, (Or idler shaft on the 8V motors.).

Finding TDC as you did is perfectly fine. You don't have to be super precise. As long as the tappet is on the base circle of the cam you can set the clearance accurately enough. As long as the piston is close to TDC and on the right stroke it's fine.

I hope you didn't use 'Factory' rocker cover gaskets? They're hopeless. Get a pair of Valpollini ones, they last pretty much forever.

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Carlotto
Carlotto
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Mon Dec 18, 2023 1:41 pm

Ah ok perfect, i was going made around this question.
Yes i have originale basket, the only One i Ve found here, anyway of It became troublesome It Will be Easy to replace.
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Pete Roper
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Mon Dec 18, 2023 1:59 pm

They end up getting squeezed out near the bolt holes. No idea why, the mating surfaces have been the same shape since the T4 and Mk III LeMans but the CARC bikes spit theirs out. Very odd. The Valpolini gaskets are metal with some sort of squishable coating on them, they can't tear, or squeeze out, and last pretty much forever.

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GuzziSteve
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Mon Dec 18, 2023 2:08 pm

No marks, some swear they see marks though. I have never seen marks on anything after 05. Not on any CARC year bikes, not even CalVin.
I use a plastic straw in spark plug hole right after intake valve closes, you're on correct stroke. All the way up & set them.

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Matias
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Tue Dec 19, 2023 1:44 pm

I am able to see the flywheel marks on mine, but you better start with a flashlight...
Moto, it's an "S" for "sinistra" (left) and a "D" for "destra" (right)
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Carlotto
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Tue Dec 19, 2023 1:47 pm

I know (i am italian) but on mine there is no D and S Is at right cyl TDC 🤣🤣🤣
There is a J instead, dont know what It means
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lcjohnny
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Tue Dec 19, 2023 4:18 pm

maybe it means jella
like in "bad luck, no-one knows where the D punch to put the timing marks is"
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Carlotto
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Tue Dec 19, 2023 11:53 pm

anyway, its not a real problem, just to know if i was idiot or not Laughing
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Carlotto
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Tue Dec 19, 2023 11:55 pm

another question:
i want to get guzzidiag to check my electronics, reset tps, balance throttles...ecc.
Can you suggest me a GOOD PC<-->OBD2 interface?
In the past i bought some bluetooth obd 2 dongles that are totally useless and not full working.
Thank you
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beetle
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PostSubject: Re: Valve clearance and flywherl references   Valve clearance and flywherl references Icon_minitime1Wed Dec 20, 2023 12:30 am


Lonelec in the UK. Best source.

LINKY






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