
the only race shop that installs our own valve seats and has an in-house super finish process
All engines are mass produced by the manufacturer resulting in exaggerated tolerances and mismatched porting; therefore, every engine can be improved. EBR's engine services maintain the widest possible power-band while enhancing the power delivery in areas preferred by the rider. Countless hours of dyno runs, computer design software and years of testing ensure that EBR engine specs provide optimum performance.
Our engine work is thorough and precise! Our professionals have a vast machine shop and job-specific tooling allow us to offer almost any service. We are unique with the only seat/guide machine and super finish process in-house. We supply suggested jetting, reeds and exhaust systems with each engine modification.
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ENGINE
MODS This section contains the engine modifications and services that EBR has dyno and track tested. We TEST them, RACE them and then Guarantee them to be the best available. |
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KITS &
PACKAGES Here are some of our engine kit recommendations that have been race proven. These packages are what we suggest to give you the best power increases and reliability. |
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TOP END REBUILD (2 stroke) ............................................. $130
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) ......................... $210
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 ............................................. $219.99
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.t
VALVE GRINDING (4 stroke) ............................................ $20ea.
Reshape valve to improve gas flow at low lift and increase horsepower.
5 ANGLE VALVE SEAT GRINDING (4 stroke) ............... $25 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) ................................................ $150
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.
HONDA
2008 CR 85 ............................ CALL FOR QUOTE
This kit is the fastest CR85 available for AMA Nationals
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
Balance Crank
EBR Case Welding, Porting and Matching
Super Finish Transmission
10 Map Programmable Ignition
Race Piston Kit with Ti Ring
Boyesen Reed Cage
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Special Fuel
2008 CR 85 ............................ $950
This 103cc Supermini is highly competitive at a affordable price.
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Re-plating
EBR Cylinder Porting
EBR Head Modification
Big Bore Piston kit
Big Bore Gasket Set
Boyesen Reed Cage
EBR Jet Kit
2008 CR 85 ............................ $2,150
This kit is the fastest CR112 Supermini available. American Honda's Lance Vincent got on the podium in 2 classes at Loretta Lynn National and won countless motos on this engine. Many hours of research and development and track setting all settings derived at this winning combination.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Replating
Machine Cylinder to Accept Orings
EBR Cylinder Porting
EBR Head Modification
Stroke and Balance Crank
EBR Case Porting and Matching
Super Finish Transmission
10 Map Programmable Ignition
Big Bore Piston kit
Big Bore Gasket Set
Boyesen Reed Cage
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Specific Fuel
2012 CRF 150R ......................... $1,500
This kit adds 5hp and 500RPM - makes the already strong mini extremely responsive and super fast - eliminates bogging and erratic idle. This is the CRF150R that American Honda's Lance Vincent beat Tomac at Mammoth National to win his 1st National Championship and Andrew Pierce won several titles on.
EBR Head Porting
EBR Camshaft
EBR H-D Valve Spring Kit
EBR H-D Clutch Springs
EBR Race Piston Kit
FMF Exhaust System
Air Box Mod
EBR Jet Kit
2012 CRF 250R ..................... Call
This kit adds up to 9 horsepower with improved reliability and increased power everywhere and revs quickly to 13,900RPM. This is the engine that AMA Pro Lance Vincent pulled top starts on all season and run in 2nd positional on several occasions.
FMF Factory 4.1 Ti Exhaust System "Team Spec"
EBR Head Porting
EBR Super Crank
EBR High Compression Race Piston Kit
EBR Billet Camshaft with Adjustable Sprocket
EBR Bronze Valve Seats
EBR H-D Titanium Intake Valves
EBR H-D Valve Spring Kit with Ti Retainers
Billet Clutch Basket
EBR H-D Performance Clutch Spring Set
EBR Flywheel Mod
Tunable Air Boot
Boyesen Water Pump
High Pressure Radiator Cap
EBR Fuel and Timing Programming
Other Options :
Bronze composite valve guides
Factory heat-resistant coolant hose kit
2012 CRF 450R ..................... $2,050
This kit adds 5hp and revs to11,500RPM.
FMF Factory 4.1 Ti Exhaust System
EBR High Compression Race Piston Kit
EBR Head Porting
EBR H-D Valve Spring Kit
EBR Billet Camshaft
10 Map Programmable Ignition
Hinson Billet Clutch Basket
Remap Fuel System
Flame Retardant Air Filter
High Pressure Radiator Cap
EBR Fuel and Timing Programming
KAWASAKI
2012 KX 65 .............................. $1200
This kit adds 3.5hp and peaks @ 11,000RPM. This is the engine kit that powered Team Green's Andrew Pierce past the KTMs to a National Championship at Loretta Lynn in 2008
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty Pipe
Works Silencer
EBR Case Welding, Porting and Matching
EBR Cylinder Porting
EBR Head Modification
Billet Reed Cage Stuffer w/ Carbon Fiber Reeds
Super Finish Transmission
EBR Carburetor Mod
EBR Jet Kit
2012 KX 85 ............................ CALL FOR QUOTE
This kit is the fastest KX85 available for AMA Nationals - Factory Kawasaki riders, Justin Summers and Andrew Pierce helped us develop this kit in their time on the KX85.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
CNC Machined Exhaust Valve Assembly
Balance Crank
EBR Case Welding, Porting and Matching
Ceramic Bearings
Super Finish Transmission
Race Piston Kit with Ti Ring
Boyesen Reed Cage
Boyesen Water Pump
H-D Radiator Hose Kit
High Pressure Radiator Cap
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Special Fuel
2012 KX 250F .................................. $3,300 ($4,100 separately)
This kit provides maximum horsepower and torque with quicker revving and much improved reliability. This is the engine that Privateer Kyle Gills stacked up Holeshots in the AMA Pro SX Series in 2009.
Reliability is a major concern with the KXF 250. The first thing that we do is correct all of the obvious problems in the head and valve train with stronger materials and increased oil flow. We then get a huge power increase from 4000 rpm to 13000 rpm with precise machine work and the perfect combination of performance parts.
FMF Factory 4.1 Ti Exhaust System
EBR Head Porting and Machining
EBR High Compression Race Piston Kit
EBR Intake and Exhaust Camshafts
EBR Titanium Intake and Exhaust Valves
EBR Bronze Valve Seats
EBR H-D Valve Spring Kit
EBR H-D Valve Buckets
Super Finish Transmission
10 Map Programmable Ignition
Hinson Billet Clutch Basket
EBR Carburetor Mod & Divider Wing
High Pressure Radiator Cap
Air Filter Cage
EBR Jet Kit
Other Options :
Bronze composite valve guides
Factory heat-resistant coolant hose kit
2007 KX 250 ........................... $900
This 285cc kit has great bottom, mid & top end power - this kit will out pull 450 four strokes.
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Replating
EBR Cylinder Porting
EBR Head Modification
EBR Powervalve Modification
Big Bore Piston kit
Big Bore Gasket Set
2012 KX 450F.................................. CALL FOR QUOTE
This kit provides big increase in horsepower and torque with quicker revving and much improved reliability.
FMF Factory 4.1 Ti Exhaust System
EBR Head Porting and Machining
EBR High Compression Race Piston Kit
Hinson Billet Clutch Basket
High Pressure Radiator Cap
Air Filter Cage
EBR Fuel System Mapping
Radiator Hose Heat Shield
KTM
2012 KTM 50 ........................... $1000
This 60cc kit has great bottom, mid & top end power - this is the kit that Andrew Pierce dominated Super Modified Peewee.
FMF Fatty pipe
Works Silencer
Cylinder Boring and Re-plating
EBR Cylinder Porting
EBR Head Modification
Big Bore Piston kit
Big Bore Gasket Set
EBR Clutch Setup
*Cases must be cut for clearance. We provide this service for an extra charge
2012 KTM 65 ........................... Call
Eliminate the Bog... Increase Reliability... Know that you have the Fastest bike!
This kit improves power over the entire RPM range and increases reliability. This is the FASTEST 65 you will find. Luke Purther, Ciaran Naran, Kade Walker, Buddy Wentworth, Cade Moore, Justin Summers, Tyler Stewart and Andrew Pierce have won tons of National motos and a several Championships on our engines. EBR won Loretta Lynn National Championships in the 65 Mod class in 2008, 2009 and 2010!
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty Pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
EBR Stuffing, Case Porting and Matching
Super Finish Transmission and Primary
EBR Carb Mods and Jetting
EBR Intake
Power Valve Adjuster
Crank Balancing
Ceramic Main Bearings
Options:
Reed Spacer
Radiator Reinforcement
2012 KTM 125 ........................ $1500
This kit adds 5hp and peaks @ 11,200RPM.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty Pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
EBR Case Welding, Porting and Matching
Super Finish Transmission
10 Map Programmable Ignition
EBR carb modifications
EBR Jet Kit
2012 KTM 250 SX-F ..................... Call
This kit increases throttle response and acceleration throughout the RPM range to made the KTM extremely fast. We are working with this kit on our 2012 AMA SX team. This engine will put us out front against the factories.
FMF Factory 4.1 Ti Exhaust System
EBR High Compression Race Piston Kit
EBR Head Porting
EBR H-D Valve Spring Kit
EBR Camshaft Set
Super Finish Transmission
Recluse Clutch Assembly
EBR Fuel System Mapping and Timing
SUZUKI
2009 RM 85 ............................ CALL FOR QUOTE
This kit is the fastest RM85 available for AMA Nationals -American Suzuki's Justin Summers has been on the Podium at every National with his EBR mod RM85.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
Balance Crank
EBR Case Welding, Porting and Matching
EBR Ceramic Crank Bearings
Super Finish Transmission
10 Map Programmable Ignition
Race Piston Kit with Ti Ring
V-Force 3 Reed Cage
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Special Fuel
2009 RM 85 .......................... $2,000
This is the super fast RM 112 that several American Suzuki riders have won championships with. Andrew Pierce helped us make improvements most recently.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Re-plating
EBR Cylinder Porting
EBR Head Modification
Stroke and Balance Crank
EBR Case Porting and Matching
Super Finish Transmission
EBR Exhaust Valve Modification
Big Bore Piston kit
Big Bore Gasket Set
V-Force 3 Reed Cage
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Special Fuel
2009 RM 125 ........................ $1,300
This kit adds 5hp and peaks @ 11,200RPM - this is the same engine that American Suzuki's Ryan Grantom holeshot the Ponca Main and Loretta.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty Pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
EBR Case Porting and Matching
Super Finish Transmission
10 Map Programmable Ignition
EBR Air Box Mod
EBR Carburetor Mod & Divider Wing
Boyesen Reed Cage
EBR Jet Kit for Special Fuel
2012 RM-Z 250 ................................ $3,300 ($4,500 separately)
This kit provides maximum horsepower and torque with quicker revving and improved reliability.
Reliability is a major concern with the RM-Z 250. We correct all of the machining issues in the head and valve train by using stronger materials and increasing the oil flow. With precision machine work and the perfect combination of performance parts we see an increase in power from 4,000 rpm to 13,000 rpm.
FMF Factory 4.1 Ti Exhaust System
EBR Head Porting and Machining
EBR High Compression Race Piston Kit
EBR Intake and Exhaust Camshafts
EBR Titanium Intake and Exhaust Valves
EBR Bronze Valve Seats
EBR H-D Valve Spring Kit with Titanium Retainers
EBR H-D Valve Buckets with Friction-reducing Coating
Super Finish Transmission
10 Map Programmable Ignition
Hinson Billet Clutch Basket
EBR Fuel Mapping
High Pressure Radiator Cap
Air Filter Cage
Other Options :
Bronze composite valve guides
Factory heat-resistant coolant hose kit
2012 RMZ 450 ..................... $1,999
This kit adds 5hp and revs to11,500RPM.
FMF Factory 4.1 Ti Exhaust System
EBR High Compression Race Piston Kit
EBR Head Porting
EBR H-D Valve Spring Kit
EBR Camshafts
10 Map Programmable Ignition
Hinson Billet Clutch Basket
Remap Fuel System
High Pressure Radiator Cap
YAMAHA
2012 PW 50.............................CALL FOR QUOTE
This kit is designed to get the most out of the PW to be AMA-legal for Loretta Lynn National. This is the kit that Larry JR Reyes (SuperMan) dominated on.
Lower Final Drive Gear
Blue-print Engine
Free Up Drive Shaft/Rear Wheel
Oversized Foot Pegs
Handlebar Risers
Light weight tire set
EBR Jet Kit
2012 YZ 85 ............................ CALL FOR QUOTE
This mod pulls hard! Kade Walker recently grabbed tons of holeshots and won championships with this setup.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
Balance Crank
EBR Case Welding, Porting and Matching
EBR Ceramic Crank Bearings
Super Finish Transmission
10 Map Programmable Ignition
Race Piston Kit with Ti Ring
Boyesen Reed Cage
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Specific Fuel
2012 YZ 85 ............................ $950
This 103cc Supermini is very competitive at a low price - Kaitlyn Morrow utilized this kit in 2009 and won 3 Championships!
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Replating
EBR Cylinder Porting
EBR Head Modification
Big Bore Piston kit
Big Bore Gasket Set
Boyesen Reed Cage
EBR Jet Kit
2012 YZ 85 ............................ $2,200
This kit is the fastest YZ112 Supermini available - Factory Yamaha rider, Kaitlyn Morrow helped us develop this setup to power here to numerous National Championships and Holeshots.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Replating
EBR Cylinder Porting
EBR Head Modification
Stroke and Balance Crank
EBR Case Porting and Matching
Super Finish Transmission
10 Map Programmable Ignition
Big Bore Piston kit
Big Bore Gasket Set
Boyesen Reed Cage
EBR Carburetor Mod
EBR Jet Kit for Special Fuel
2012 YZ 125 ............................ $600
This kit adds 3.5hp and peaks @ 11,000RPM.
FMF Factory Fatty Pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
EBR Carburetor Mod
EBR Jet Kit
2012 YZ 125 ......................... $1,250
This kit adds 5.5hp and peaks @ 11,500RPM.
Complete Disassembly, Inspection and Reassembly
FMF Factory Fatty pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
EBR Case Porting and Matching
Super Finish Transmission
Boyesen Reed Cage
EBR Airbox Modification
EBR Carburetor Mod
EBR Jet Kit for Special Fuel
2012 YZ 125 ......................... $950
This 139cc kit rips - its needed to be competitive in the new AMA Mod class and maintains the stock reliability.
FMF Factory Fatty pipe
Works Silencer
Bore and Replate Cylinder
EBR Cylinder Porting
EBR Head Modification
Machine Exhaust Valves
Boyesen Reed Cage
EBR Carburetor Mod & Divider Wing
EBR Jet Kit for Special Fuel
2012 YZ 250F ................................ CALL FOR QUOTE
This kit provides maximum horsepower and torque for National level racing- Tested by the Bardwell Yamaha/Phenix AMA SX and MX Race Team (More power everywhere with No More Valve breakage).
FMF Factory 4.1 Ti Exhaust System
EBR Head Porting
EBR High Compression Race Piston Kit
TiN Coated Piston Rings
EBR Intake and Exhaust Camshafts
EBR H-D Titanium Valves
EBR Special Cut Bronze Valve Seats
EBR H-D Valve Spring Kit with Ti Retainers
EBR Crankshaft Modification with Rod
Super Finish Transmission
Wet Sump Conversion
10 Map Programmable Ignition
Hinson Billet Clutch Basket
EBR Carburetor Mod & Divider Wing
High Pressure Radiator Cap
Air Filter Cage
EBR Jet Kit
Other Options :
Bronze composite valve guides
Factory heat-resistant coolant hose kit
2012 YZ 250F .......................... $600
This 262cc kit provides huge horsepower and torque increases from bottom to top with great reliability - perfect for the Vet rider or weekend warrior wanting a big power gain.
EBR Head Porting
Cylinder Boring and Replating
EBR High Compression Big Bore Piston Kit
Big Bore Gasket Set
EBR Jet Kit
2012 YZ 250 ........................... $949
This kit makes awesome power as soon as you crack the throttle and peaks @ 8,900RPM - we haven't found a faster 250 yet.
FMF Factory Fatty Pipe
Works Silencer
EBR Cylinder Porting
EBR Head Modification
Boyesen Reed Cage
EBR Carburetor Mod & Boyesen Divider Wing
EBR Jet Kit
2012 YZ 250 ........................... $900
This 285cc kit has great bottom, mid & top end power - this kit will out pull 450 four strokes.
FMF Factory Fatty pipe
Works Silencer
Cylinder Boring and Replating
EBR Cylinder Porting
EBR Head Modification
EBR Power Valve Modification
Big Bore Piston kit
Big Bore Gasket Set
2012 YZ 450F ..................... $1,850
This kit adds 5hp and revs to11,500RPM- James Marshall holeshot many factory bikes in the 2006 West Coast SX with an EBR YZ450 engine.
FMF Factory 4.1 Ti Exhaust System
EBR High Compression Race Piston Kit
EBR Head Porting
EBR H-D Valve Spring Kit
EBR Camshafts
Swirled Over-sized Valve Set
Hinson Billet Clutch Basket
EBR Carburetor Mod & Divider Wing
High Pressure Radiator Cap
EBR Fuel and Timing Programming
*Prices are for parts and specified labor only. Prices do not include labor to remove or install anything from the motorcycle. We offer several kits and factory-level parts and services not listed on this site. Please inquire if interested in more details. EBR recommends race fuel in all modified engines.
EBR PERFORMANCE
THE BEST RACING ENGINES & SUSPENSION AVAILABLE
TESTED, RACED AND GUARANTEED!
281-554-7333