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 TB balance after rollerisation

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Lemppari
Grignapoco
Grignapoco
Lemppari


Posts : 127
Join date : 2015-09-03
Age : 65

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PostSubject: TB balance after rollerisation   TB balance after rollerisation Icon_minitime1Tue Jul 12, 2016 5:43 am

The idle TB balance on my GRiSO seems to sway so much so that it has been necessary to check & adjust it once every two weeks. Could it be that the valve gear is slowly setting after roller conversion and I should also check the valve lash (only ridden 3000 km's after said procedure)? Could it be the bypass screws might not hold their last adjusted position? TB balance at 3500-4000 has been constant, no fiddling there. Would low quality i. e. dirty gasolene cause it?
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper


Posts : 9468
Join date : 2013-05-29
Age : 65

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PostSubject: Re: TB balance after rollerisation   TB balance after rollerisation Icon_minitime1Tue Jul 12, 2016 9:49 am

Nope. Should remain pretty consistent. Only one bypass screw should ever be open. You understand this and why? If both are open it will play havoc with the stepper input.

Pete
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Lemppari
Grignapoco
Grignapoco
Lemppari


Posts : 127
Join date : 2015-09-03
Age : 65

TB balance after rollerisation Empty
PostSubject: Re: TB balance after rollerisation   TB balance after rollerisation Icon_minitime1Tue Jul 12, 2016 12:47 pm

Yup, I have followed the procedure to the dot. Last time I left both shut as the meter showed them to be in perfect balance as it was and the idle was indeed smooth. And I had to tighten BOTH sides before starting, even though I distinctly remembered doing that the previous time, also. Well, I'll go through it all again. If nothing else, I'm certainly learning the maintenance!
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