Valve clearance. . How fussy?
#1
Valve clearance. . How fussy?
Ok, got it all apart and...
Only 3 are outside the .001 plus/minus spec.
Most are within .0005 .
Gotta take cams out anyways? so... Think I should get it perfect to spec?
Wonder if I should "spec" the Intake to the lower end of clearance for that extra bit of lift?
Exaust? They expand that much more and pressure works to that advantage.
Any old school WSBK or AMA tech's out there?
I tend to be very "****"on builds, and want to no if there is any advantage to go that far on a street bike..
Only 3 are outside the .001 plus/minus spec.
Most are within .0005 .
Gotta take cams out anyways? so... Think I should get it perfect to spec?
Wonder if I should "spec" the Intake to the lower end of clearance for that extra bit of lift?
Exaust? They expand that much more and pressure works to that advantage.
Any old school WSBK or AMA tech's out there?
I tend to be very "****"on builds, and want to no if there is any advantage to go that far on a street bike..
#2
#3
#4
#5
When valves and seats wear from heat and pounding into each other for lots of miles, the valve will tighten up at the top.
Intakes can be run on the tight side, as long as they seal and have some room for oil to pass between the cam and the follower. Smaller the gap, less oil can get in there. Spec is what Honda says it needs to be and I believe them.
Exhaust is a different story. They are best left on the loose side of spec or they will burn and ruin the valve.
#6
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