VALVE, VALVE SPRING, VALVE SEAL, VALVE GUIDE CONSTRUCTION[LF, L3]

id0110a0101100

•  The valves are made of heat-resistant steel. There are two intake valves and two exhaust valves per cylinder.

VALVE SPEC.

valve full length
(mm {in})
Intake valve: Approx. 103.4 {4.070}
Exhaust valve: Approx. 104.7 {4.120}
Intake valve umbrella diameter
(mm {in})
Approx. 35 {1.38}
Exhaust valve umbrella diameter
(mm {in})
Approx. 30 {1.18}
Stem diameter
(mm {in})
Intake valve: Approx. 5.5 {0.22}
Exhaust valve: Approx. 5.5 {0.22}

•  The intake valve and the exhaust valve are tufftride processed to improve adhesion resistance.
•  The valve spring is an beehive type. It has been improved by reducing the size of the upper seat.
•  The valve guide is made of sintered alloy to improve abrasion resistance.
•  The valve seal is integrated with the lower spring seat to simplify the unit and improve serviceability.
ame2211n008

1
Valve keeper
2
Upper valve spring seat
3
Valve spring
4
Valve seal
5
Valve guide
6
Valve