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Anyone wanna double check my work?

  • Thread starter Thread starter Scaxx
  • Start date Start date
S

Scaxx

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Alright so I did a valve job a month or so ago...wrong. Turns out my manual either told me how to do it wrong or I'm just really dense. Either way I missed a couple that needed to be adjusted and adjusted one or two that shouldn't have been. I'm riding a 1980 gs550 and I followed the guide on bikecliff's website. Just to double check, I do the exhaust cam first with #1 pointing towards the front tire and parallel with the engine head side. Then I check both #1 and #2 on the exhaust. Next I go to the intake and #1 should be pointed perpendicular to the head. I check #1 and #2 on the intake. On the other side it's the same but #4 is either parallel or perpendicular to the head instead of 1. If I'm doing anything wrong that would be great cause I don't wanna do this a third time, sorry for being so paranoid.

Also when doing the timing on it, it's the "t mark" next to the 1-4 and not the mark above the 1-4 correct? I attached a picture of the "t-mark"
 
tom203 said:
EDit; don't forget the crank makes TWO revolutions for one camshaft revolution
Click to expand...

And there's where I went wrong last time, you wouldn't happen to know off the top of your head which one is top dead would you?

Edit: The camshafts are out which is why I need to do timing if you were wondering
 
Scaxx said:
And there's where I went wrong last time, you wouldn't happen to know off the top of your head which one is top dead would you?

Edit: The camshafts are out which is why I need to do timing if you were wondering
Click to expand...
The camshafts are out and you're worried about valve clearances?? no problem till you put it back together!

TDC is for #1 cylinder (starting down on firing stroke -both valves closed) at same time #4 is about to do its intake thing; one crank revolution later, they are vice versa.
 
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