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Engine Services


TOP END REBUILD (2 stroke) ............................................. $150

Disassemble Top End

Inspect Gasket Surfaces

Plating & Reeds

Hone Cylinder

Clean All Parts Including Exhaust Valves

Set Ring End Gap

Reassemble With Necessary New Parts


COMPLETE ENGINE REBUILD (2 stroke) ......................... $250

Disassemble Engine Completely

Remove Carbon From Exhaust Valves Exhaust Port & Head

Hone Cylinder

Wash & Inspect All Parts Including Transmission & Crank

Reassemble Engine With Necessary New Parts


TOP END REBUILD (4 stroke) ............................................. $225

Disassemble Top End

Inspect Gasket Surfaces

Bore

Cams & Valve Train

Hone Cylinder

Set Ring End Gap

Clean All Parts

Reassemble With Necessary New Parts

Set Valve Clearance


COMPLETE ENGINE REBUILD (4 stroke) ......................... $395

Disassemble Engine Completely

Inspect Gasket Surfaces

Bore

Cams

Valve Train

Hone Cylinder

Set Ring End Gaps

Remove Carbon from Exhaust Valves Exhaust Port & Head

Hone Cylinder

Wash & Inspect All Parts Including Transmission & Crankshaft

Set Valve Clearance Reassemble Engine With Necessary New Parts


CRANK REBUILD ................................................................. $85    

Rebuild crankshaft with the latest crank jig and true to exact specifications.


CYLINDER REPAIR/RE-PLATE ............................................. $229.99

Strip Plating

Repair & Re-plate with a superior nickel silicone carbide coating and diamond hone to exact clearance.


VALVE & SEAT RESURFACING ........................................ CALL FOR QUOTE

Disassemble Valve Train

Resurface Valves & Seats To Insure Proper Sealing

Wash & Inspect All Parts

Reassemble With Necessary New Parts

Adjust Valve Clearance


VALVE  SEAT REPLACING ........................................ from $25 per valve

Cut out stock or damaged seat and replace with seat of preferred material. 


VALVE  GUIDE REPLACING ..................................... from $25 per valve

Remove stock or damaged guide, replace with guide of preferred material and machine for proper clearance.


PERFORMANCE VALVE & SEAT MACHINING ............. $50 per valve

Machine valve seats to optimum multi-angle profile using our industry-leading seat and guide machine and machine valve angles to increase air flow at low valve lift for a huge increased overall horsepower.

Engine Modifications


CYLINDER PORTING (2 stroke) ........................................ $225

Change intake and exhaust port time/area, remove all casting flaw and retexture all ports for optimum performance.


HEAD MACHINING (2 stroke) ........................................... $75

Machine combustion chamber to proper compression ratio, clearance and squish velocity then lack gasket surface for perfect seal.


HEAD PORTING (4 stroke) ................................................ $395

Match Seats

Machine Intake & Exhaust Port Runners

Reshape Combustion Chamber

Resurface all areas to improve gas flow and lap gasket surface for improved efficiency and a big increase in horsepower.


VALVE GRINDING (4 stroke) ............................................ $20ea.

Reshape valve to improve gas flow at low lift and increase horsepower.


5 ANGLE VALVE SEAT GRINDING (4 stroke) ............... $35 per seat

Reshape valve seats with the perfect configuration of 5 different angles to insure concentricity, improve valve sealing and increase air flow for maximum horsepower.


BRONZE COMPOSITE VALVE SEAT INSTALLATION .... $100 per seat

Remove OEM seats and install bronze composite valve seats found in many Factory heads.  Machine for optimum flow to provide more compatibility with titanium valves, prevent seat deterioration common with highly oxygenated fuels and dissipate heat more quickly resulting in a more reliable, cooler running engine (includes all seats needed for complete head).


BRONZE COMPOSITE VALVE GUIDE INSTALLATION ... $75 per guide

Remove OEM guides and install bronze composite valve guides found in Factory heads.  Size to valve to dissipate heat more quickly resulting in a more reliable, cooler running engine (includes all guides needed for complete head).


TRANSMISSION SUPER FINISHING.......................................$299

Debur and polish transmission and primary gears to a super finish.  This process is highest quality vibratory process involving abrasive media and chemicals that was designed by the military.  Superfinish eliminates much of the fiction between parts to lower the operating temperature and reduces drag to increase horsepower to the rear wheel.


VALVE TRAIN SUPER FINISHING...........................................$200

Debur and polish camshaft, rocker pins and valve buckets to a super finish.  This process is highest quality vibratory process involving abrasive media and chemicals that was designed by the military.  Superfinish eliminates much of the fiction between parts to lower the operating temperature and reduces drag to increase horsepower to the rear wheel.


CRANK TRUE & BALANCE ................................................... $275

True and dynamically balance crank to exact specifications for optimum performance and decreased vibration.


CASE MATCHING .................................................................... $80

Port intake tract, match cases to cylinder wall to decrease turbulence and maximize air flow.


CASE STUFFING (2 Stroke) ................................................ $175

Weld cases to reduce dead space.  Reshape areas of air travel to increase velocity and maximize air flow.


CARBURETOR BORING ............................................. from $65

Straight, step or taper bore carburator to improve air flow into a modified engine.


MACHINE FLYWHEEL ........................................................ $65

Precision machine flywheel for quicker rev.


*All prices above are labor only except for seat and guide installation.  Additional labor is required on some services to remove and install parts from the motorcycle or engine.  Worn parts will be additional as well.  EBR recommends race fuel in all modified engines.