Harley Davidson Evolution Oil Pressure

OIL PRESSURE GAUGE KIT General This kit is designed for installation on 1982 and later ShovelheadEvolution 1340 models.

Harley davidson evolution oil pressure. Orange Cycle Parts Oil Pressure Switch Replaces OEM 26561-84 for Harley 1984-1998 Evolution Big Twin Models Except FLHTFLTR 2067. Fits 1984-1999 Harley Big Twin EVO. When I first start the engine up my oil gauge shows 30 psi.

Oil Pressure Switch Construction. The STP filters have been reported to be of Champion Labs manufacture same factory that makes Harley Davidsons own brand of filters and the bypass is about 9 psi and micron rating is 20. The Evolution engine popularly known as Evo is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcyclesIt was made in the 1340 cc 82 cu in displacement for Harley-Davidson Big V-twins bikes replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4 FXR2 and FXR3 were the first CVOs.

Only the tappets rely on high pressure and the passages up the pushrods into and through the rocker shafts. Vehicles with a crossover connector or S shaped collector pipe must use Oil Gauge Mounting Kit Part No. Evo and twin cam oil pressure holes are both 18 npt but the location is different so the sending units may not interchange.

On really HOT days Ill see 18 highway and 8-9 at idle. Seller 988 positive Seller 988 positive Seller 988 positive. Get free help advice support from top Harley40 Micron - H-D Part A standard Evo filter Oil Lines - The oil lines connecting the Smart Pump to the oil filter operate under high pressure and are colored RED in the diagram.

Repair Manual gives specs of 7-35 psi range. Use SAE J 38 psi WP hose only. Today i did pull out my 84 90 fxsoftail hd service manual the only oil line diagram is for the fx style oil tanksnot much help.

Just like your blood pressure if your oil pressure gets too high or too low youve got a problem. The standard Harley-Davidson oil pressure switch resembles an enlarged bolt with a larger-than-normal head from which extends a pair of wires. Let the engine idle in place for 3 to 5 minutes to warm the engine oil supply.