Honda-SOHC

SOHC.co.uk Forums => CB500/550 => Topic started by: alexdecker on February 19, 2022, 02:41:12 PM

Title: How to remove rocker arms?
Post by: alexdecker on February 19, 2022, 02:41:12 PM
Hey all

Got the new cover, with the 4 extra screws holding the rocker arms in place. Have unscrewed the bolts, and tried tapping down on the uncovered screws. They are not budging, like not even a little, which makes me think I might be doing it wrong? Can anyone advice in which direction to tap, to loosen the rocker arms?

Title: Re: How to remove rocker arms?
Post by: Bryanj on February 19, 2022, 02:46:52 PM
They get incredibly tight and you hit on the thread end
Title: Re: How to remove rocker arms?
Post by: alexdecker on February 19, 2022, 03:05:43 PM
So basically hit them from the top and directly down, and just really hard and a lot?
Title: Re: How to remove rocker arms?
Post by: Sesman on February 19, 2022, 03:11:02 PM
But put the nut back on at least 3/4 before you hit it. Apply a little heat to. It worked for me. Make sure the cam cover is evenly supported too. But I’m sure you are on to all this.
Title: Re: How to remove rocker arms?
Post by: Oddjob on February 19, 2022, 07:49:27 PM
I used a large pin punch so the hammer hit that and not the pin directly. A bit of heat never goes amiss either.

A nut put onto the threads is a good idea as stated, that way if you accidentally damage the thread the nut coming off can straighten them again.
Title: Re: How to remove rocker arms?
Post by: alexdecker on February 20, 2022, 01:25:52 PM
Did the nut on, and a lot of heat. But damn. Really had to go to town with a hammer on those. One of the screws even bended a bit. But they got off!

My god, these old machines. Literally everything is stuck on them.
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