Honda-SOHC
SOHC.co.uk Forums => CB500/550 => Topic started by: SPR on April 22, 2020, 08:50:11 AM
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Morning
1978 CB550K
So decided to check adjust the tappets but wanted to double check I've understood the info before I start
Been watching this YouTube video https://www.youtube.com/watch?v=u4QcrLbpmqk&list=FLftoUhSxu95e2Wa0_Q1jpnA&index=38&t=0s
So set the timing to 1.4 - see pic below ... have I got this correct ... is the T in the right place or does the mark left of the T need to be in the middle of the mark above it ?
Depending on where in the revolution I am I've got either #1 or #4 tappets loose - both exhaust and inlet
Am I good to go :)
Thanks Simon
[attach=1]
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You can't become a expert in 4 minutes by watching a youtube vid ;D
Line the T mark to 1-4 and set the appropriate tappets and then rotate the crank 360 to the same T mark 1-4 to do the other 4. Forget about the 2-3 mark ;)
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You can't become a expert in 4 minutes by watching a youtube vid ;D
Line the T mark to 1-4 and set the appropriate tappets and then rotate the crank 360 to the same T mark 1-4 to do the other 4. Forget about the 2-3 mark ;)
What's confusing me is that the manual seems to say when at 1-4 so certin tappets as below whereas the youtube vid says the opposite .... I'm a bit of a visual learner but like to check everything :)
So are you saying when at 1-4 I do as below ....
Sorry if I'm sounding dim
[attachimg=2]
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At T 1-4 it will be the O or X on the chart. If it is O and you want X turn the crank 360 degrees and at T 1-4 again to set the other 4 ;)
The manual is wrong, On the chart the in let is the exhaust and the exhaust is the inlet
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At T 1-4 it will be the O or X on the chart. If it is O and you want X turn the crank 360 degrees and at T 1-4 again to set the other 4 ;)
The manual is wrong, On the chart the in let is the exhaust and the exhaust is the inlet
Many thanks !!!
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At T 1-4 it will be the O or X on the chart. If it is O and you want X turn the crank 360 degrees and at T 1-4 again to set the other 4 ;)
The manual is wrong, On the chart the in let is the exhaust and the exhaust is the inlet
Many thanks !!!
Like this >>>
[attachimg=1]
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At T 1-4 it will be the O or X on the chart. If it is O and you want X turn the crank 360 degrees and at T 1-4 again to set the other 4 ;)
The manual is wrong, On the chart the in let is the exhaust and the exhaust is the inlet
Many thanks !!!
Brilliant thank you ... all checked and TBH only adjusted 3 slightly
Thanks again
Simon
Like this >>>
(Attachment Link)
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Its far easier to understand if you ignore that chart and when set on T (which is a bit more clockwise on your pic) look at 1 & 4, one set will be loose the other tight so adjust the loose ones, rotate crank 360 deg (1 turn) and adjust the other set. Same for 2 & 3.
DO NOT turn the crank with a spanner on either the big nut or small nut at the points end
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Its far easier to understand if you ignore that chart and when set on T (which is a bit more clockwise on your pic) look at 1 & 4, one set will be loose the other tight so adjust the loose ones, rotate crank 360 deg (1 turn) and adjust the other set. Same for 2 & 3.
DO NOT turn the crank with a spanner on either the big nut or small nut at the points end
Many thanks ... hopefully won't have to redo for a little while ...I did think I needed to be a fraction more clockwise
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Then all you need is a really skinny feeler gauge to get in the holes! I'm still trying to find one.
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Then all you need is a really skinny feeler gauge to get in the holes! I'm still trying to find one.
You just use standard feeler gauges and bend the ends ;)
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Then all you need is a really skinny feeler gauge to get in the holes! I'm still trying to find one.
You just use standard feeler gauges and bend the ends ;)
Thats what I did :)
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When you do it as Bryanj suggests - cylinder for cylinder - (I have made it a habbit since long), bonus is the marks do not have to align so precise as when you do it by Honda's scheme. My advice: forget about that scheme. Too much risk for us amateurs to make an error.
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When you do it as Bryanj suggests - cylinder for cylinder - (I have made it a habbit since long), bonus is the marks do not have to align so precise as when you do it by Honda's scheme. My advice: forget about that scheme. Too much risk for us amateurs to make an error.
Noted - thanks :)
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Just about to do the same, but I would have gone the the long way round and used 2-3 ,made a note of triggers diagram.
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You can't become a expert in 4 minutes by watching a youtube vid ;D
Welcome to Hackaweek ;D