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April 9th, 2018, 10:47 AM   #1
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control of valves on fe 400 98

Hello everyone! I ask for help in removing the camshaft to replace the seals and then adjust the intake and exhaust valves. 1.How to remove the camshaft? 2.As to configure valve, what should be the clearance in the intake valve and what in graduation! Thank you in advance for your help!
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April 10th, 2018, 10:43 AM   #2
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To remove tha camchaft?

remove the cam chain tensioner
remove a link from the cam chain
remove the cam

make a note of the cam timing by marking the edge of the cases and the flywheel and then noting the valve timing and mark the cam sprocket. this should be easy.

the cam chains are usually with a rivet link (also known as a 'soft link') so you will have to break the chain. I do it with a 100mm/4" grinderette.

the valve clearances want to be what we call; "1/6th of a turn". always have the piston at TDC.

pinch the screw up and then back just over 1/6th of a turn then hold the screw and tighten the nut. you will lose the battle with the screwe but you already did just over 1/6th right? right!

a good guide is my back wheel rule.

a man must be able to try and make morse code with the tappets and another man at the rear light must only just hear this. hear it easily = too loose. not hear it = too tight and try agin.

Taffy
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April 12th, 2018, 09:28 AM   #3
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Thanks for your help. in General, the charts I figured out how to do it! Google translation difficulties. say a gap of 0.05 will be normal?
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April 12th, 2018, 12:59 PM   #4
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no, 0.12mm is correct i believe. 6 x 0.12mm= 0.72mm the thread pitch is a very rare 0.7mm I believe.

Taffy
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April 17th, 2018, 11:18 AM   #5
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I rightly understood the gap between the valve and the fist 0.12 will be good?!
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April 17th, 2018, 10:46 PM   #6
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Last edited by jampe; April 17th, 2018 at 10:49 PM.
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