engine noise


Information and questions on GL1200 Goldwings (1984-1987)
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5str48
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Motorcycle: 1986 GL1200A Aspencade

engine noise

Post by 5str48 »



Can improperly shimmed hydraulic valve adjusters be the cause of engine noise at higher (2700 - 3000+) Rpms)?


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WingAdmin
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Re: engine noise

Post by WingAdmin »

5str48 wrote: Mon Mar 23, 2020 8:03 am Can improperly shimmed hydraulic valve adjusters be the cause of engine noise at higher (2700 - 3000+) Rpms)?
Hydraulic valve lash adjusters, by definition, do not have shims. The reason for shims is to adjust for valve lash manually. Hydraulic adjusters use oil pressure to do the same thing.
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