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The Harley-Davidson ® High - Performance Cylinder Head Design and Engine Modification Shop
Complete Engine Rebuilds - Fuel Injection and Carburetor Tuning - Chassis Work - Parts - and More ..
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Harley® Cylinder Service
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 If you have more than 10,000 miles on your stock cylinders, you're probably not far from burning oil (which hurts performance, looks bad, damages valve guides, and may cause detonation through increased compression and local hot spots due to thick carbon build-up, as well as interruption of the flame front).
We advocate a process of flattening the base gasket surface with a thin cut on the lathe, boring and honing with torque plates, aligning the bore with the base, and finishing off with a very fine plateau finish. Cylinders are then cleaned with hot soapy water (like everything else inside your motor), dried with clean dry air, and coated with WD-40®.  Pistons are then test fitted, rings assembled, and loaded into the cylinder by hand.  Now you are ready to install your cylinders into the engine. 

Here's how:
Only oil the wrist pin when assembling the engine.  The cylinders/rings/pistons will be broken in by the time the engine reaches normal oil pressure.  (Note: If you oil the piston rings or cylinder walls at assembly, they may never break in).
Cylinder Labor
Description Labor# Cost
Cylinders cleaned, ring gaps set, pistons assembled and installed

CYL.520

66.00

Bead blast heads or cylinders

CYL.521

hourly rate (88/hr)

Hone cylinders with torque plates and square cylinder base

CYL.522

85.00

Paint pair of cylinders and highlight fins

CYL.523

143.00

Bore small engine cylinders

CYL.524

82.50

Bore 2-stroke engine cylinders

CYL.525

137.50

Evolution, EVO Cylinder Labor
Cylinders squared, honed one oversize, piston grooved, ring gap set, cleaned, and assembled

ECYL.526

145.20

Install 3 3/4 bore wiseco liner

ECYL.527

189.75

Bore and hone 3 3/4 bore wiseco liner cylinders

ECYL.528

137.50

Sportster Cylinder Labor
Pair of 883 cylinders squared, bored to 1200, and honed, pistons installed

SCYL.529

341.00

Cylinders squared, honed one oversize, piston grooved, ring gap set, cleaned, and pistons assembled

SCYL.532

145.20

Twin Cam, TC Cylinder Labor
TC88 cylinders squared, bored, and honed to 3.875, pistons installed

TCYL.530

341.00

TC cylinders just bored and honed 1550

TCYL.531

225.50

TC cylinders honed oversized, cleaned and pistons installed

TCYL.532

132.00

 

 
       
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