'83 Nighthawk lifter noise

/ '83 Nighthawk lifter noise #1  

Boone

Gold Member
Joined
May 11, 2002
Messages
485
Location
Northeast Wisconsin
Tractor
Kubota b7500hst
\'83 Nighthawk lifter noise

Suggestions please on how to get the hydraulic lifters to quiet down on a 1983 Honda 650 Nighthawk. It takes about 5 minutes for the noises to stop.
 
/ '83 Nighthawk lifter noise #2  
Re: \'83 Nighthawk lifter noise

It is 21 years old and they may be just worn out. Or they could be gunked up. You could try flushing the system a couple of times and then adjusting the valves but it might just be time to replace them.
 

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