Its an airhead thing, the exhaust and intake valves are situation out under metal covers and tend to tick. As it passes you can hear them like a sewing machine.
Loud valves are happy valves.
pbgd3 2 years ago
Loud valves save lives!
R90S 5 years ago
valves?
carbiduis 4 years ago
Its an airhead thing, the exhaust and intake valves are situation out under metal covers and tend to tick. As it passes you can hear them like a sewing machine.
Loud valves are happy valves.
pbgd3 2 years ago
Loud valves save lives!
R90S 5 years ago
valves?
carbiduis 4 years ago