Harley-Davidson XR1000

The chassis is a 1983 Sportster. It deviates from stock as follows:

• Rear wheel 18"*3" Akront rim and aluminum hub from 1997 Sportster. Aluminum sprocket.
• Front wheel 19"*2½" Akront rim and HD aluminum hub.
• Koni shocks.
• Screaming Eagle fork brace.
• Progressive fork springs. Modified damper tubes.

The engine is the most modified form stage II that is still streetable. It has the following modifications:

• Dual plug heads. Ported and polished.
• 40mm modified 38 Mikunis, velocity stacks and manifolds from Branch Flowmetrics.
• Supertrapp weld on muffler tips.
• Sifton 214R .540 lift cam.
• Arias forged pistons.
• Cylinders trimmed .060, final compression 10.8:1.
• Andrews "C" ratio gearbox.
• Barnett clutch. Drilled and lightened clutch basket for improved oil flow to clutch.
• Dynatek single fire ignition. 2 Accel coils.
• Balanced flywheel assembly from 1980 year model. The rods are magnafluxed and shotpeened.

Harley-Davidson Racing Bulletin R-101B, March 14, 1986

Iron Harley, a great sportster and race bike site.

Kaj's XR-1000 page

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