Harley Davidson Evolution Upgrades

In 1987 Harley Davidson starts the Buy Back Program for the XLH 883 Sportster model.

Harley davidson evolution upgrades. In the Big Twin models the Evolution engine was offered only in the 82ci size. A Harley Stage 1 upgrade involves upgrading your bikes air cleaner slip-on exhaust and fuel tuning to allow your motor to breathe more freely. 70 to 120 HP 2000 Stage Three Evolution Harley-Davidson engines involve any change to any component in the engine.

Performance and Technical information on Stage 2 modifications to a Harley-Davidson 1340 Evolution motorcycle engine. We chose upgrading the chassis suspension and braking first over just simply adding gobs of horsepower. The smaller Sportster Evolution which appeared in 1986 made in 883cc and 1200cc versions carried forward the original four camshaft design first seen on the Harley-Davidson Flathead engine of 1929 whilst the larger 1340cc Evolution Big Twin engine carried forward the same bottom end and single.

How to get 74HP from your 1340 Evolution engine. And for the sake of comparison and to better explain our menu of upgrade options and power gains expected it is worth noting that the most popular engine in the Harley range is the 96 Cube 1600 cc as. These 1051 forged pistons when used with Screamin Eagle 1340 Cylinder Heads are designed to produce high compression ratios for full race applica.

There is a range of update solutions to choose from. If you want to bring your motorcycle stereo system to life the Alpine CDE-172BT radio can make it happen. The leader in performance motorcycle parts for Harley-Davidson motorcycles and the powersports industry.

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. RayWheeler has many years of experience with our 124 engine upgrades on the street and at Bonneville. Not everyone wantsneeds to be able to light the road on fire with their bike.

Although the Evolutions engine design offered many advantages compared to previous Harley designs the most important upgrades improved reliability and durability. Owning a Harley is really about making your bike into an extension of yourself. Well we took some time and did in fact put our heads together and under much scrutiny of our editors we have listed a countdown to performance nirvana and in what order in which to do so.