the Ferret
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- Apr 14, 2021
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The trouble with adjusting valve clearances with feeler gauges is it requires a certain "feel". How much drag on the gauge is too much or not enough? My brother a factory trained Yamaha mechanic had the feel. He'd ask me to try it on my 650 Yamaha twins with screw nut adjusters and I honestly had no clue when feeling it. Then he would adjust them properly. Same with torque on bolts and nuts etc. I have no feeling for it, so I don't work on things. I'll do oil changes or chain adjustments, but I won't even attempt motor work. Have no mechanical aptitude as they would say.
I've heard/read enough horror stories of guys adjusting their own valve improperly.... heck we had a guy on the CB 1100 forum that a dealership mechanic told him he had 12 out of 16 valves out of spec at its first check @ 8,0000 miles, when literally no one else on the forum needed a single valve adjusted at the first service. Either he was lied to OR the mechanic had no idea what he was doing.
I've heard/read enough horror stories of guys adjusting their own valve improperly.... heck we had a guy on the CB 1100 forum that a dealership mechanic told him he had 12 out of 16 valves out of spec at its first check @ 8,0000 miles, when literally no one else on the forum needed a single valve adjusted at the first service. Either he was lied to OR the mechanic had no idea what he was doing.