Question about 1992 Moto Guzzi Quota 1000
By the frame but from looking at old posts it seems it should be mounted into the spigot on the engine casing? Also my bike has K&N's so obviuosly the old airfilter box has been removed. Thus the vent to atmoshere which used to run through this box now simply runs down to the back of the engine. ... so my 2nd question is this... should this vent to atmosphere have a valve on it? ,The breather system should have one valve in it and it should be AFTER the breather box on the line that vents to atmosphere. THis is to stop wet cold air entering the breather box and mixing with hot oily air and making mayonaise or aioli. Guzzi's earlier attempts put two valves between the breather box and crankcase - stupid. If you're bike has the old breather box and not the breather box in the frame like the later square fins then remove them - one is hidden in the supply pipe in the breather box - remove with hammer and screwdriver. This will also stop the engine pumping oil up the return line and out of the engine. Any 4 cylinder automotive spring loaded PCV valve will do pretty well. You can improve the efficiency of the breather box by lightly stuffing it with stainless steel wool or such. If the rings are good and the sump level is right it will not drip oil IME.,,,
Posted on Nov 10, 2008
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