Harley Davidson Evolution Oil Breather

The same goes for pushrod tubes.

Harley davidson evolution oil breather. It is critical to maintain the proper pressure in your Harley-Davidson Sportster engine. Your Harleys engine power will get a quick boost when you upgrade with one of JPs efficient state-of-the-art Harley-Davidson air breather kits. The dark circles between the two sets of arrows are the umbrella valves.

HARLEY engines excluding early engines with total loss oil systems manufactured up until 1999 used some form of timed breathing to scavenge oil from the crankcase and deliver it to the vicinity of the return oil pump so that it could be sent back to the oil tank. Rick since 1994 Harley has used what we call a head breather system in that the crankcase breathers are located in the heads. V-Twin Mini Sifton Breather Bolt Kit for Harley.

All orders over 89 receive Free shipping. Simply thread into place for a clean looking breather option. Available in polished or chrome plated finish.

Oil level is right where it is suppost to be half way on the dipstick when coldany ideas of why this is happening and any dyi fixesthankyou. Not only that but we have them all in-stock and ready to ship to you today. Change The Oil In A 1340 Evolution The 1340-cc Evolution engine was used by all Harley-Davidson motorcycles built between 1984 and 1998 when it was largely replaced by the new Twin-Cam 88 engines.

This was done in an effort to reduce the amount of oil that gets into the air filter. An internally broached allen allows for a quick and hidden installation method with the stainless breather element and circlip finishing the job. Radius breather bolts from Lowbrow Customs feature an innovative design with 5-ply sintered stainless steel mesh providing the proper breathability for your motor while keeping a slim profile and a completely custom look.

Timed breathing was introduced on the. Hial from ontario canada here. Ever since the introduction of the EVO engine with breather heads and the use of high flow air cleaners breather blow by has been an issue.