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Fuel and Intake

Carburetor Repair Kit

R&D introduces "Flex-Jet", a simple, effective flexible shaft design. Quick adjustments are now within easy reach. Besides easy access, another benefit is the Flex-Jet's ability to hold its setting. Loose fuel screws are now a thing of the past. Kit includes: Flex-Jet (Remote Fuel Screw), bracket, screw, spring, washer, O-ring and instructions.

Not for the stock DR650 carburetor Fits FCR-MX conversions Only.

Ships in 3-5 business days
$39.95
CRF250R '04 - '26

Top quality brass screw with molded knob for easy adjustments.

Not for the stock DR650 carburetor Fits FCR-MX conversions Only.

Ships same business day
$23.95

Direct replacement for the stock spring and exactly like the old Merge Racing spring. Gives a much more consistent accelerator pump squirt. Eliminates the need for the 'O-ring mod', wire or zip-ties on the pump arm. Fits all Keihin FCR-MX carbs except '07-'08 CRF250/450.

Not for the stock DR650 carburetor Fits FCR-MX conversion Only

Ships same business day
$29.95

This cover acts as an "adjustable leak jet" to fine tune the accelerator pump squirt.

Eliminates "4-stroke bog" when used with correct jetting. Allows the use of correct carburetor settings to optimize performance, starting and reliability. Improved low-end performance with much better throttle response. Investment cast and finished to precise tolerances with internal high volume vertical check valve. Fits all motorcycles and ATVs using a Keihin FCR carburetor Easy installation instructions (including online video) and template.

Not for the stock DR650 carburetor Fits FCR-MX conversions Only.

Ships in 3-5 business days
$119.95

Drivetrain, $25 and Under

Sprocket

CRF250R '04 - '26

A set of six high quality grade 10 sprocket bolts with lock nuts. Thread-lock compound has already been applied for extra security.

These bolts are flat head style, requiring a countersunk hole in the sprocket.

Ships same business day
$11.95

Brakes

Pads

CRF250R '04 - '26
  • Sintered Pads are best for regular riding. Long life, and good performance in all conditions
  • Sport Carbon pads are made for fast riding in dry conditions. Not recommended for mud, water, or sand
  • Race Sintered pads are high performance race pad with superb durability similar to that of the sintered pad. Higher friction level and fade resistance. Diamond ground surface finish to speed bed-in. Comes with new pad pins. Race Sintered are designed for racing use only; not for street use
Choose Type
Ships same business day
$37.95

Drivetrain

Chain

CRF250R '04 - '26

High Quality chain. Will need to be cut to fit your sprocket combination.

Ships same business day
$63.95

Suspension

Fork Boots

CRF250R '04 - '26

Helps protect vulnerable fork tube and seal from dust, dirt, and corrosive elements. Hook & loop (Velcro) fastening on back side makes installation or removal for cleaning a breeze.

Choose Color
Ships same business day
$24.95

Electrical

The Trail Tech Vapor Speedometer/Tachometer units are custom designed for an exact fit. They feature a bright white backlit LCD display, waterproof connections, and all parts needed for a complete installation. These units accept AC and DC power input, and automatically switch to internal power if external power is removed. Power connectors are included. Permanent solid-state memory guarantees that data is never lost, even without power. Units are available in black.

Trail Tech provides a one year warranty and unlimited free phone and email support.

Unit functions:

  • Speedometer
    • Current Speed
    • Maximum Speed
    • Selectable MPH/KMH Display
  • Tachometer
    • Real-Time RPM Bar Graph
    • Numeric RPM Readout
    • Dual Programmable Shift Lights
    • Up to 20,000 RPM
  • Temperature
    • Ambient Temperature
    • Engine Temperature (liquid cooled only, optional air cooled sensors available)
    • Dual Programmable Temp Lights 
  • Distance
    • Adjustable Distance
    • Permanent Odometer
    • Selectable Mile/Kilometer Display
  • Clock
    • Hour Meter, Stop Watch, Ride Time
    • Accumulated Ride Time
    • Permanent Hour Meter
Ships same business day
$179.95