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Nate's96 300ex
11-24-2001, 02:56 PM
I was going to adjust my valves so i decided to see what to do and looked in my service manual and I was just wondering on a 300ex do you take both of the valve caps off revealing all 4 valves or just the cap by the carband it says in the manual it should be .10 mm for the intake and exhuast so do all you have to do is adjust the 2 valves by the carb or all 4 valves

400exdad
11-24-2001, 07:32 PM
Remove both covers and adjust all four valves. Be sure the timing mark is lined up as described in the manual and the rocker is on the bottom or flat of the lobe.

Nate's96 300ex
11-24-2001, 08:57 PM
which valves are the intake and exhaust which i guesse it doesnt really matter since both are suppose to be .004 inches of clerance

crday98
11-24-2001, 09:20 PM
Originally posted by Nate's96 300ex
which valves are the intake and exhaust which i guesse it doesnt really matter since both are suppose to be .004 inches of clerance shouldn't the exhaust gap be .001 bigger?

Nate's96 300ex
11-24-2001, 09:23 PM
I thought so cause i looked it up on the ex tech part of this site but that was for a 400ex and this is a 300ex and it says .004 in my service manual