The PCV or positive crankcase ventlation valve does as it is named. It will remove harmful gases from the engine. Also, you can find breather caps on the valve covers, this also helps to remove and fumes from the crankcase or engine base.
Its called a PCV Positive crankcase ventilation. Its the little gadget that plugs into the top of the valve cover. Pull it out and it will rattle. That means its good.
The vent hose originates just in front of the #1 (front) cylinder. You'll notice a hose clamp and rubber hose attached to the crankcase. The stock hose runs from that location up over the top of the...
I have a 92 sporty 1200 and it has pcv vents from the rocker cases, but it also has a vent behind the rear cylinder in the top middle off the crankcase (had to remove the battery box to see it) I...
If it has it, its located on the block under the intake manifold,if you follow the pcv hose from the valve cover, that should plug up into the breather box. tho i dont thing that it is servicable, i...