" The Performance Specialists since 1990"
DYNO CHARTS for some of our motor kits.
CRF230L Pipes and motor parts instock Go big Go 250cc.
ENGINES ONLY 512 B Dougherty Ave. Morgan Hill CA 95037
If you may have a question please e-mail or phone us.      enginesonly@yahoo.com  (408)776-9100 phone //(408)776-9191 fax

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CRF/XR80

EO Ultimate 80 kit moves little bikes up big hills.
Big Bore kits    Installation
Carburetor and Intake kits
Headwork and Cams
  Exhaust Systems  Clutch parts
Suspension    Goodies for 80's
Description SKU # Price

CRF/XR80 120cc Ultimate Big Bore Kit

80120 BBK $649.95  
This is the kit for you guys that are too big for 50's and 110's and all the way fast kids out there. 

120cc kit includes, Cylinder resleeve (exchange), piston/ rings/ pin/ clips/ head and base gaskets/ cam reground (exchange)/ valve springs/ clutch gasket/ clutch plates/ clutch springs. You will need to bore your case.  Runs on pump gas.
This kit has 11.5:1 compression and makes 11 horsepower  when used with our Outlaw series high pipe and our 28/24 Carb kit.
  Lower end gasket and seal kit for 80/120 kit 80120 GSK

$49.95  

 

Installation

80120 INS $400.00
  Installation of above including valve job and case machining. Send us your complete assembled motor with no oil. We ship it back to you assembled and adjusted. YOU MUST ADD OIL
  Case machining (cases only) 80120 CMG $90.00

Carburetor and Intake

80120 SIK $199.95
  EO 22mm Carburetor and intake kit for CRF/XR80/120
This is a carb kit for modified 80/120cc motors. Provides great low to mid response for 120cc motors. This is the smallest carb for 120cc.
Kit includes, carburetor, airbox boot or K&N filter and throttle.
Yes it's to big for motors under 120cc.
  EO 28/24 Flat Slide Intake kit (Lineaweaver Design)
24mm for 120cc motors without headwork.
28mm for 120cc and larger motors with headwork.
Kit includes, carburetor, custom intake manifold, air filter and throttle cable. Don't fight a losing battle with jetting, start with the right size carb.
12024 FSK
12028 FSK
$299.95
  EO HiFlow air box modification.
Great for stock motors to full race configurations.
80120 ABM $29.29

Head work and cam parts

  Cylinder head porting and intake matching.
We open your ports and match intake manifold size to work with your choice of intake kits
80120 CHP $249.95
  Slotted Cam Sprocket
Allows your cam to be degreed  professionally
80120 SCS $34.95
  Special Cam Sprocket Bolts
These bolts have a shoulder edge and washer face to correctly center your slotted cam.
80120 CSB $14.95

Clutch parts

  EO 4 disc heavy duty clutch
Includes basket, center, springs and plates to convert to 4 plate CRF/XR100 style clutch
80120 HDC $249.95
  Barnett heavy duty replacement clutch kit
Includes 4 plates, 4 springs and gasket.
80120 BCK $79.95

Exhaust Systems

OUTLAW  series High Pipe with 4" SuperTrap
 A real race proven pipe with SuperTrapp 4" tunable plates (CA and AMA 96 DB legal) disperses noise radially with no loss in power.
Aluminum heat guard for enhanced rider protection. Outlaw pipes not only look great they make better power across the whole RPM range, this true megaphone design creates more low end and more top end power. Why buy a LOUD BLING pipe when you get real performance in a quality pipe that includes a tuned headpipe and spark arrester. This pipe can take abuse and is ready to take on Hare Scrambles, TT, Motocross and Supermotard.  
Made in America    Now with Ceramic Coated finish.
80120 OHP $299.95
OUTLAW  series Low Pipe
Positively the best dirt track pipe you can buy for your mini. Shipped with open end and Ceramic coated finish.
80120 OLP $299.95

Suspension

  CRF/XR 80 and 100 Front Fork Modification with springs. We  make your forks work correctly. Lots of companies will sell you stiff (higher rate) springs for less, but it's the valving that needs to be reworked together with the springs for them to work correctly. 
Your weight along with riding are taken into consideration. Setups for trail, Supermoto, dirt track, Road race and Hare scrambles. (+ parts if needed)
80120 FFM $190.00
  Std. Work's Shock w/o Spring 80120 WRK $299.95
  Heavy Shock Springs Available in different rates for your weight  and application.  80120 WHS $99.95
CRF / XR 80 / 100 Frame stiffener.
Lower support cradle frame stiffener
Built for us by Banke Performance.
This is a must have for Supermoto, flat track, TT or Motocross.
Ties the front down tube to rear half of frame. Significantly reduces frame flex. Adds engine protection. Powder-coated finish. Available with or without aluminum skid plate. Skid plate available.
80120 BFC $99.95

Goodies for 80's

Aluminum motor mount brackets 80120 AMM $39.95
  Pre 92 CDI stepped flywheel key 80120 SFK $25.00
  Folding shift lever 80120 FSL $39.95
  Terminator front brake cable / It stops. 80120 TFC $34.95
  Light weight flywheel modification. 80120 LFM $125.00