Fulltext results:
- IH: Oiling & Lubrication
- l and stop working properly. * 79-up rubber umbrella valves can get hard and stop working properly. * D... nd loosen (unstick) the disc or reed. * L82 umbrella valves are simple rubber flaps that will get hard over h... 'll just harden the rubber faster. * L82-90 umbrellas are now obsolete parts. You may find some NOS on... stall an external reed valve inline when your OEM umbrella fails. * **Confirm how well the rings seal by
- IH: Engine Mechanicals
- rpedia: \\ * [[techtalk:ref:engmech04k|Breather Valves (1957-Up)]] (list of breather valve changes) * ... )]] * [[techtalk:ref:engmech07s|XR-750 Breather Valves]] * [[techtalk:ref:engmech05|Breather Venting /... se volume is constantly changing. There are check valves in line with the breather outlets. \\ Their funct... is that beyond the first revolution, if the check valves are working properly, all you see out the breathe
- IH: Engine Mechanicals - Sub-01E
- \ So you may find used 1979-E1982 covers with the umbrella valves instead. \\ [[techtalk:ih:engmech07#e1982_breathe... lve|Click Here]] for more information on breather valves. \\ 1979-1981 Sportsters use a 1-5/8" slinger was
- IH: Carburetor, Intake Manifold & Exhaust - Sub-01L
- nd there are also variances of aftermarket needle valves or condition of the used one as well as valve sea... ed down. Good to go now. \\ Rub some oil onto the umbrella before installing it. ((Pan55 of the XLFORUM http