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250R BILLET KICKSTARTERS
List Price: $99.95
Our Price: $99.99
Sale Price: $79.00
You save $20.95!
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New ESR CNC machined billet aluminum shifters are anodized for durability & good looks! utilizes original boss For all ATC 250r & TRX250r.
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250R BILLET SHIFTER
List Price: $79.99
Our Price: $79.99
Sale Price: $39.99
You save $40.00!
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CNC Machined from 7075 billet aluminum.
Comes in standard length or shorty (-3/4'').
Fits all TRX 250R and ATC 250R
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250R BILLET WATER PUMP COVER
Our Price: $69.99
Sale Price: $39.99
You save $30.00!
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CNC MACHINED WATER PUMP COVER
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250R Filter Covers
Our Price: $17.95
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SR Air filter Covers
Protect your filters and make cleaning a snap with our high-flow pre-filter covers.
Available in Blue, only. (out of stock on red)
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250R RB2000 Billet Reed Blocks
Our Price: $259.00
Sale Price: $159.99
You save $99.01!
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ESR 8-petal reed block system was designed with all out performance in mind. The reed blocks are cnc machined from billet aluminum and use our new design carbon fiber reeds. Comes with or without built-in reed block spacer (specify).
Choose red, blue, black, or bare aluminum finish.
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250R TOP END GASKET KIT
Our Price: $29.99
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HONDA TRX 250R TOP END GASKET KIT. KIT INCLUDEDS
2 BASE GASKETS
REED GASKET
HEAD ORING
EXHAUST FLANGE GASKET
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310 CYLINDER KIT
Our Price: $899.99
Sale Price: $499.00
You save $400.99!
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310 CYLINDER KIT
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310 Power Valve Cylinder
Our Price: $1,099.99
Sale Price: $699.00
You save $400.99!
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****LONG ROD ENGINES 1987-1989 REQUIRES .190 SPACER PLATE ****
THIS KIT WILL WORK WITH STOCK REED BLOCK, EXHAUST FLANGE, AND CARB.
IF YOUR ENGINE HAS A STROKER CRANK, PLEASE CALL 805-489-1999 TO PLACE ORDER. WE CAN CUSTOMIZE THE KIT FOR STROKES FROM 74mm TO 77mm.
THE
ESR POWER VALVE CYLINDER IS MADE IN THE USA FROM CASTING TO FINAL HAND
PORTING. THE INTRODUCTION OF THE POWER VAVLE INTO THE CYLINDER GIVES
THE ENGINE MORE LOW END POWER AND A MORE EVEN TORQUE CURVE THROUGHOUT
THE POWERBAND. THE POWER VALVE WILL GIVE YOU SIGNIFICANT DRIVE OUT OF
THE CORNER, OR TOSS A MAJOR ROOST OUT IN THE DUNES. THE POWER VALVE
ACTUALLY CHANGES THE EXHAUST PORT TIMING AS THE ENGINE RPMS INCREASE
USING EXHAUST PRESSURE TO RAISE THE POWER VALVE AND OPEN UP THE EXHAUST
PORT FOR MAX FLOW AT THE HIGH RPM'S. YOU CAN FEEL THE DIFFERENCE IN
POWER DELIVER VS. THE NON POWER VALVE CYCLINDER THAT HITS HARDER AT THE
TOP END WITH LESS BOTTOM END POWER. THIS IS AN ALL NEW DESIGN OF THE
PREVIOUS PRO X CYLINDER AND WE INCREASED THE VALVE TRAVEL IN THE NEW,
CURRENT DESIGN FOR BETTER FLOW ON THE TOP END.
****THIS
KIT NOW COMES WITH THE ALL NEW ADJUSTABLE POWER VALVE WICH ENABLES THE
RIDER TO MAKE THE VALVE OPEN AT ANY RPM FOR DIFFERENT RIDING
CONDITIONS!!!!****
- RX7 MX/Woods (Low End) The ESR TRx7 cylinder is our low-end power option. It exhibits
plenty of low-end torque and mid-range power. An excellent choice for
MX and Woods riders.
- TRX9 All-Around (Mid Range) Our TRX9 cylinder is for mid-range and top end power. this
allows for terrific performance at higher RPM’s, without sacrificing
low-end punch and ridability. Great for Duners or TT racers.
- TRX11 Drag Porting (Top
End) The TRX11 is an extreme port
job that takes top end performance to the next level! Ported for all
out high revving power, this cylinder redefines “top-end
performance”. This cylinder is for drag racing and hill shooting only.
FOR OPTIMUM PERFORMANCE, EDDIE RECOMMENDS A 38mm CARBURETOR AND EXHAUST PIPE
ALL KITS INCLUDE:
- 72mm BORE POWERVAVLE CYCLINDER
- ALL NEW ADJUSTABLE POWER VALVE!!
- BILLET CNC MACHINED HEAD
- REMOVABLE DOME (PUMP GAS OR RACE GAS OPTION)
- WISECO PISTON KIT
- TOP END GASKET KIT
- BILLET WATER NECK
- CUSTOM HAND PORTING!
**** 4 OVERSIZED PISTONS AVAILABLE 72.25mm,72.5mm,73mm,73.5mm
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330 CYLINDER KIT
Our Price: $999.99
Sale Price: $599.00
You save $400.99!
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***THE 330 CYCLINDER KIT REQUIRES CASE MACHINING***
CHECK OUT THE ALL NEW ESR MANUFACTURED CYLINDER KITS FOR THE TRX 250 HONDA!! 25 YEARS OF PORTING R&D IS NOW AVAILABLE IN A COMPLETE BOLT ON KIT. THE CASTING OF THE NEW CYLINDER HAS BEEN COMPLETELY REWORKED WITH NEW PORT TIMING, RE SIZED INTAKE, EXHAUST, AND TRANSFER PORTS. EACH CYCLINDER IS ALSO HAND PORTED TO THE CUSTOMERS SPECIFICATIONS FROM A SELECTION OF 3 DIFFERENT PORT LEVELS LISTED BELOW
- RX7 MX/Woods (Low End) The ESR TRx7 cylinder is our low-end power option. It exhibits
plenty of low-end torque and mid-range power. An excellent choice for
MX and Woods riders.
- TRX9 All-Around (Mid Range) Our TRX9 cylinder is for mid-range and top end power. this
allows for terrific performance at higher RPM’s, without sacrificing
low-end punch and ridability. Great for Duners or TT racers.
- TRX11 Drag Porting (Top
End) The TRX11 is an extreme port
job that takes top end performance to the next level! Ported for all
out high revving power, this cylinder redefines “top-end
performance”. This cylinder is for drag racing and hill shooting only.
ALL KITS INCLUDE:
- CYCLINDER
- BILLET CNC MACHINED HEAD
- REMOVABLE DOME
- 76.0mm WISECO PISTON KIT
- TOP END GASKET KIT
- BILLET WATER NECK
- CUSTOM HAND PORTING!
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330 CYLINDER KIT BOLT ON
Our Price: $999.99
Sale Price: $599.00
You save $400.99!
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THIS BOLT ON KIT IS FOR LONG ROD CRANKS, 1987-1989 ENGINES
THIS KIT WILL WORK WITH STOCK REED BLOCK, EXHAUST FLANGE, AND CARB.
IF YOUR ENGINE HAS A STROKER CRANK, PLEASE CALL 805-489-1999 TO
PLACE ORDER. WE CAN CUSTOMIZE THE KIT FOR STROKES FROM 74mm TO 77mm.
CHECK OUT THE ALL NEW ESR MANUFACTURED CYLINDER KITS FOR THE TRX 250 HONDA!! 25 YEARS OF PORTING R&D IS NOW AVAILABLE IN A COMPLETE BOLT ON KIT. THE CASTING OF THE NEW CYLINDER HAS BEEN COMPLETELY REWORKED WITH NEW PORT TIMING, RE SIZED INTAKE, EXHAUST, AND TRANSFER PORTS. EACH CYCLINDER IS ALSO HAND PORTED TO THE CUSTOMERS SPECIFICATIONS FROM A SELECTION OF 3 DIFFERENT PORT LEVELS LISTED BELOW:
- RX7 MX/Woods (Low End) The ESR TRx7 cylinder is our low-end power option. It exhibits
plenty of low-end torque and mid-range power. An excellent choice for
MX and Woods riders.
- TRX9 All-Around (Mid Range) Our TRX9 cylinder is for mid-range and top end power. this
allows for terrific performance at higher RPM’s, without sacrificing
low-end punch and ridability. Great for Duners or TT racers.
- TRX11 Drag Porting (Top
End) The TRX11 is an extreme port
job that takes top end performance to the next level! Ported for all
out high revving power, this cylinder redefines “top-end
performance”. This cylinder is for drag racing and hill shooting only.
ALL KITS INCLUDE:
- CYCLINDER
- BILLET CNC MACHINED HEAD
- REMOVABLE DOME (pump gas or race gas option)
- 75.5mm WISECO PISTON KIT
- TOP END GASKET KIT
- BILLET WATER NECK
- CUSTOM HAND PORTING!
****76.0 AND 76.5 AVAILABLE FOR OVERSIZE BORE
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