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Replacing cams 78 GS1000

  • Thread starter Thread starter morrison
  • Start date Start date
Thats why i said get some calipers that read MMs..or know how to convert SAE to metric......INCHES X 25.4= MM THICKNESS
 
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chuck hahn said:
Thats why i said get some calipers that read MMs..or know how to convert SAE to metric......INCHES X 25.4= MM THICKNESS
Click to expand...

Ah sorry I must have missed the part. I have calipers in the tool box just for some reason I never thought of using that to get the size. Like I said it's been a long day. Thanks again for the knock up side the head talk lol.
 
And now you see the wisdom of Rustybronco telling me to put the numbersw down facing the pistons...the cams will wear the numbers off if they are installed facing up..
 
Got the cams back in, timing set. Tensioner works flawlessly. Tried to check the valve adjustment, and had a hard time determining what the manual is talking about with the placement of the lobes. To my understanding which ever valve you are checking the lobe should be facing outwards. Sound right? If so then only cyl one intake and exhaust valves I was able to fit my smallest gauge into which is .05mm. So now I need to find another gauge that has .04mm and .03mm,.
 
Just follow the factory service manual procedure. The clymer method is not as exacting. Check basscliff's website for a free manual download and his adjustment tutorial.
 
I went off the pages I printed out of the manual I got from BassCliff's website. pictures are fairly dark and misleading.

Edit: went back to basscliff's website and looked at his 8 valve procedure towards the bottom. Gonna see if that one makes a difference which it may cuz Ill have the loobes in a different position than before. It does say it is for a 850 though. but I guess we'll seee.
 
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Still torn apart. Cant find anyone locally with any shims. I guess Ill need to buy a whole set to get the one shim I need.
 
morrison said:
Still torn apart. Cant find anyone locally with any shims. I guess Ill need to buy a whole set to get the one shim I need.
Click to expand...

You don't need a whole set, which will contain a bunch of sizes you will never use. Look at what shims you currently have and order enough spares that are thinner so you will have whatever eventuality presents itself. For example: if your current shims are in the 2.70 to 2.60 range, make sure you have some 2.60, 2.55, 2.50 shims on hand. You may also need a 2.65, but hopefully you can recycle some from other valve positions.
 
morrison said:
Still torn apart. Cant find anyone locally with any shims. I guess Ill need to buy a whole set to get the one shim I need.
Click to expand...

did you get Steve's spreadsheet for the valve adjustment?

You can order individual shims from Z1 or go to the Shim swap club here

What size shim do you need?
 
Where do you live? Which ONE do you need?
I probably have it and could possibly get it to you sooner. ;)

Daniel
 
I have been looking for a 2.80 shim. The current shim is a 2.85 and no feeler fits so Im hoping that a 2.80 will do the trick. I have a place here call Cycleman that is only open weds thurs friday. so Today im gonna check him out and see what he has.
 
morrison said:
I have been looking for a 2.80 shim. The current shim is a 2.85 and no feeler fits so Im hoping that a 2.80 will do the trick.
Click to expand...

If you can turn the bucket with your finger, there is still some clearance and a 2.80 shim would probably work. If the bucket is tight, it means there is no clearance at all, and then 2 sizes smaller would be required, i.e. 2.75.

With shims in this size range, there is not much wear on your valve components. Higher mileage bikes are using 2.5's shims already!
 
Yes all the tappets spin on everyone that doesn't fit a feeler. So I suppose all I would need for each one is gonna be one size down.
 
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