CRF250
& CRF450
Athena Big Bore Kit
- Aluminum cylinder designed with wider water jackets for better cooling.
- Forged high-compression piston
- Includes all necessary Rings, Clips, and Gaskets.
Wiseco Piston Kit
Standard & Hi-Compression
- Forged from high-silicon aluminum alloy for maximum strength
- Forged pistons provide maximum horsepower and torque
- Very durable with high longevity
- Hi-Compression pistons fit in the stock bore, providing a horsepower boost without the need for boring your cylinder
Top End Gasket Set
NGK IFR8H11 Iridium Spark Plug
Pack of 4
Hotcams Camshaft
- Stage 1: More bottom-end and mid-range torque
- Stage 2: More mid-range and top-end horsepower
- Stage 3: For big bore and stroker motors
Full Engine Gasket Set w/ Seals
Includes all engine gaskets and seals
Valve Shim Kit
Includes three valve shims of each size from 1.20 to 3.50 in .05 increments. 141 shims in total. 57 cents per shim!
Hi-Flo Oil Filter
Pack of 10
Pack of 10 TUV approved high quality paper oil filters. Manufactured to exceed OEM specifications
FCR Carburetor "Dial it in" Combo
Buy both and save! Includes the Boyesen QuickShot 3 and Sunline Mixture Screw
Merge Racing FCR-MX accelerator pump spring
Sunline Calibrated Fuel Mixture Screw
Replaces the stock screw. Easy adjustment, without a screwdriver, of fuel mixture while the bike is running. For Keihin FCR carburetors.
K&N Air Filter
CRF 250/450 R '03-'08 (Does not fit the X models)
- Increased air flow over the stock air filter
- Designed to increase horsepower and throttle response
- Designed to fit inside the factory air box
- Larger surface area over foam filters which offers longer service intervals in dusty conditions
- Four layers of premium cotton gauze provides outstanding filtration
- Washable & re-usable, never wears out
- One filter will last the lifetime of your bike
Boyesen QuickShot 3 Accelerator Pump Cover
Designed for Keihin FCR 38, 39, 40, 41 and 42mm
- Eliminates hesitation and bogging
- Provides instant response to throttle movements
- Reduces hot engine stalling
- Improves low end performance
- Bolt-on product that requires no modification
Powernow Air Intake
Highly recommended for trail-riding use on motocross bikes. Improves power delivery at smaller throttle openings, smoothing out throttle response for a more controllable ride.
Small Fuel Filters - 90 Degree or straight
Hinson Slipper Clutch
Slipper clutches are designed to reduce the effect of engine braking. They are an essential addition to any race bike and offers better clutch and braking control.
- Provides more controllable downshifting and braking
- Reduces rear wheel lockup and patter caused by excessive engine braking
- Offers better protection against engine and gearbox damage caused by the engine going past redline on a downshift
- Reduced wear and tear on the gearbox
Hinson Slipper Clutches are easy to install and adjust. Highly recommended for non-race applications and beginner to intermediate racers.
DP Clutch Kit
Replace your worn clutch plates and springs to reduce fade and slip.
- Complete set of friction plates, steel plates, and springs
- Heavy-duty springs help prevent clutch slip
- Restores proper stack height, fixes clutch slip caused by wear and tear
Front Sprocket
Machined from impact and wear resistant chromoly steel. Heat treated, then finished with a nickel coating for corrosion resistance.
Flywheel Puller
This special tool is required to remove your flywheel without damaging the end of your crankshaft.
Magura 'Jack' Hydraulic Clutch Conversion
Converts the stock cable driven clutch to a hydraulic system.
- Hydraulic clutches are auto-adjusting.
- More consistent operation over a cable driven clutch for easier and smoother operation.
- Includes hot start lever
Rear Sprocket
CRF 250R/X '04-'08 / CRF450R/X '02-'08
Hard anodized alloy sprocket. Machined sprockets made from 7075 T651 aluminum reduces distortion and provides optimal thickness, to extend sprocket and chain life.
Sprocket bolts
A set of six high quality grade 10 sprocket bolts with locknuts. Threadlock compound has already been applied for extra security.
Shorai Power Lithium Iron Battery
CRF450X & CRF250X '05-'09
- No more dead batteries. Holds charge for one year without maintenance
- Two to four times the life of lead-acid batteries
- Carbon Fiber Composite Case
- Faster cranking for better starts
- Environmentally friendly, just discharge and dispose
- Ultra light and compact - You could easily carry a spare!
Shorai recommends either the LFX09-L2 or the LFX14-L2. The 09 is lighter while the 14 has more CCA.
- LFX09-L2 measures 4.5" x 2.25" x 3.5", weighs 1.27 lb and is rated at 135 cranking amps
- LFX14-L2 measures is the same size as the LFX09-L2 above, weighs a bit more at 1.61 lbs, but is rated at 210 cranking amps
- For referance, the stock YTZ7S measures 4.44" x 2.75" x 4.13", weighs 4.6 lbs and is only rated at 130 cranking amps
- Each Shorai battery includes self-adhesive foam panels to achieve a snug fit in your battery box
Lighting Stator
- Separate circuits for lighting and ignition
- 75 Watt lighting output
- Fits under the stock flywheel with no modification
- Replaces the stock OEM stator
Shorai Charger
You can charge your Shorai battery with a regular battery charger but if you want the very best for it, this charger is designed for optimum performance by balancing the individual cells in the battery. Balanced charging ensures the battery reaches its fullest capacity and longest life. 'Store' mode allows long term long term mainenance storage.
Shorai Charge/Store Dedicated Battery Management System for Shorai LFX only. 2A Max charge rate, connects via BMS 5-pin port on LFX batteries. Includes modes for full charge, or long-term storage. Input USA 110~120V 50/60 Hz.
For Shorai Lithium Iron batteries only
CRF-X LED Taillight / Brakelight
CRF250X & CRF450X
Skid Plate
- Made from strong and lightweight aircraft aluminum
- Protects vital engine parts from rocks and debris
- Custom fit to your specific bike model
- Oil drain hole for easy access
- All mounting hardware included
Clarke Fuel Tank
Increases fuel capacity for longer range than stock. All necessary hardware is included.
- Fuel tank orders ship Parcel Post (6-10 business days) within the US. Why?
Body Plastic
FULL SET Includes fenders, shrouds, side panels, front plate
IMS Fuel Tank
Increases fuel capacity for longer range than stock. All necessary hardware is included.
- Fuel tank orders ship Parcel Post (6-10 business days) within the US. Why?
ProCycle SUPERMOTO 17" Wheel Set
Complete set of supermoto wheels. We custom build our wheels to fit your bike!
Unlike other supermoto wheels that use aftermarket hubs, our supermoto wheels are built on OEM hubs for maximum compatibility with your bike!
Stock hubs allow you to use the rotors and sprockets built for your bike instead of expensive and difficult to obtain parts for aftermarket hubs.
Our Supermoto wheels are carefully laced and trued to provide you with a solid, high-quality wheel.
We use high quality Excel rims and Buchanan's stainless steel heavy gauge spokes and heavy-duty nipples. All bearings and seals come pre-installed.
- New OEM hubs
- Excel 3.5"x17" front rim, clear-anodized aluminum
- Excel 4.25"x17" rear rim, clear-anodized aluminum
- Buchanan's stainless steel heavy gauge spokes
- Buchanan's heavy-duty zinc-plated nipples
- Bearings and seals pre-installed
All our wheels are custom built to order, please allow 2-3 weeks for delivery.
Michelin Bib Mousse Foam Tube
- Replaces a conventional tube with a flat-proof foam type material
- Provides the equivalent pressure of 13psi
- Designed for off-road use only, not intended for speeds over 80mph
EBC Supermoto 320mm Front Brake Rotor
- High friction 320mm steel rotors for greater stopping power over stock rotors
- Includes a caliper relocation bracket
- Designed to fit standard hubs
EBC Brake Pads
CRF250/450 R/X'02-'08
- 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 are designed for racing use
EBC Front/Rear Brake Rotors
CRF 250/450 R/X '02-'08Made with heat-treated carbon steel for longer wear life and reduced galling.
Goodridge Steel-Braided Brake Line
Steel braided brake lines provide better braking power over stock, and greater water resistance. High quality stainless steel braided hose.
Vapor Tachometer / Speedometer
Speedometer:
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Clock:
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Voyager Moto-GPS from Trail Tech
- New! An on-bike GPS system with all the features you've come to expect from Trail Tech
- View, Organize, Edit and Share Entire Trail Systems in 3D
- Designed Specifically to Meet the Needs of Off-Road Riders
- 240x400 LCD display - Readable even in Intense Sunlight
- Crash Resistant, Off-Road Design
- Upload Routes from any GPS
- Customizable User Screens
- Accurate Tracks, Even in the Toughest Terrain
- Runs on Vehicle Power (or internal battery)
- Back-lit for Operation in the Dark
Clymer Service Manual
CRF 250/450 R/X '02-'05
W.E.R. Steering Damper
CRF250/450 '02-'04Take back control of your bike! Reduces front wheel deflection making your offroad ride more comfortable and controllable.
- Delivers normal damping 25° right and left from center then fades to no damping
- Returning to center there is no damping which improves handling unlike many other brands
- Note: CRF250X/450X will require headlight shell modification to fit
- Please allow 10 days for delivery
Trail Tech Vapor Dashboard
- Optional plastic dashboard with indicator lights protects the computer and places it in an optimum viewing position.
- Included mounting bracket installs easily to triple clamp of most motorcycles.
- Includes an assortment of indicator light lenses allowing customization to fit your needs.
G2 Throttle Cam System
CRF250/450 R/X '02-'08
- 3 Different throttle cams to adjust ratio for various types of conditions
- Each cam is designed for different track conditions such as slippery or highly technical conditions
- Billet throttle tube with removable end-cap for hand guard installation
BBR Billet Gas Cap
CRF450 '02-'05
- Billet machined aluminum gas cap with gold anodized breather
- Large grip area for easy spin on/off
MXHandStand
No more hefting your bike up on a box stand after a race or trail ride. No more burning your hand on the exhaust pipe when you grab the back of your bike to lift it onto your stand. Instead, just press down on the levered handle and easily lift your bike up onto the adjustable platform quickly and easily.
Some of the great features about the MXHandStand:
- Easily leverage your bike up onto a flat, adjustable platform!
- Adjustable platform angle allows either wheel to be elevated
- Foldable to less than 3" for easy transport & storage
- Adjustable for overall height
- Independently adjustable legs compensate for uneven ground
