Fuel and Intake

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Accelerator Pump Cover, Boyesen Quickshot 3

CRF150R '07 - '18 CRF250R '04 - '20 CRF450R '02 - '20 DR650 '96 - '20
$119.95

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.

Thumbnail

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

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Accelerator Pump Cover, Boyesen Quickshot 3

CRF150R '07 - '20
$109.95

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 carb. Easy installation instructions (including online video) and template.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Accelerator Pump Rebuild Kit, FCR41

XR650L '93 - '20
$42.95

Genuine KEIHIN replacement parts for your FCR41 pumper carb. Ensure your beast is getting fed when it needs it!

Thumbnail

  Not for the stock carburetor. Fits FCR41 conversions only.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Accelerator Pump Spring, FCR-MX

DR650 '96 - '20 CRF150R '07 - '18 CRF250R '04 - '20 CRF450R '02 - '20 CRF450X '03 - '20 KX250F '04 - '20 KX450F '06 - '20 WR250F '01 - '20 YZ250F '01 - '20 YZ450F '03 - '20
$14.95

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.

Thumbnail

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

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

CRF150F '03 - '20 CRF230F '03 - '20
$60.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

DR350S '90 - '93 DR350SE '94 - '99 DR350 '90 - '99
$74.95
  • 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

DR350/DR250 all

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

Ruckus (NPS50) '03 - '09 Ruckus (NPS50) '11 - '16
$45.95

Tired of paying too much for OEM paper filters? Drive in wet/rainy weather? Get an K&N filter for your ruckus! K&N filters are reusable, waterproof, and will save you money over the life of your scooter.

  • Fits in the stock air box with no modifications needed.
  • One filter will last the lifetime of your scooter with proper maintenance
  • Increased air flow over the stock air filter
  • Four layers of premium cotton gauze provides outstanding filtration
  • Washable & re-usable, never wears out
  • K&N filters are waterproof. Perfect for wet weather riding where a stock paper filter would get destroyed.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

XT225 '92 - '07
Add Air Filter Care Kit
$74.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

KLX250S '94 - '07
Add Air Filter Care Kit
$72.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

KLX110 '02 - '20 DRZ110 '03 - '05
$56.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

CRF150R '07 - '20
$199.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

CRF100 '85 - '20 XR100 '85 - '20
$54.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

DRZ125 '03 - '20 KLX125 '03 - '06
$54.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

SV650 '99 - '02
Choose Year
$104.95
  • Increased air flow over the stock air filter.
  • Designed to increase horsepower and throttle response.
  • Easily fits 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.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

DR650 '90 - '95
$78.95
  • Increased air flow over the stock air filter.
  • Designed to increase horsepower and throttle response.
  • Washable & re-usable, never wears out.
  • One filter will last the lifetime of your bike.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

WR250R '08 - '18 WR250X '08 - '11
Choose Model
Add Air Filter Care Kit
$59.95
  • Increased air flow over the stock air filter
  • Designed to increase horsepower and throttle response
  • Easily fits 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

TTR125 '00 - '20
Add Air Filter Care Kit
$72.95
  • Designed to increase horsepower and throttle response
  • OEM replacement filters designed to fit inside the factory air box
  • Larger surface area over foam filters, offers longer service intervals in dusty conditions
  • Four layers of premium cotton gauze provides outstanding filtration

 

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

CRF250L '12 - '20
Add Air Filter Care Kit
$73.95
  • Increased air flow over the stock air filter
  • Designed to increase horsepower and throttle response
  • Easily fits inside the factory air box
  • Four layers of premium cotton gauze provides outstanding filtration
  • Washable & re-usable, never wears out
  • One filter will last the lifetime of your bike
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

DRZ400 '00 - '03 DRZ400S '00 - '20 DRZ400SM '05 - '20 DRZ400E '00 - '07
Add Air Filter Care Kit
$69.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Made in USA

Air Filter, K&N

KLR650 '87 - '20
Add Air Filter Care Kit
$72.95
  • Increased air flow over the stock air filter
  • Designed to increase horsepower and throttle response
  • Easily fits 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

XR250R '86 - '04
Choose Model
$69.95
  • 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
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

XR650L '93 - '20
$76.95
  • Increased air flow over the stock air filter.
  • Designed to increase horsepower and throttle response.
  • Easily fits 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.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Made in USA

Air Filter, K&N

XT250 '08 - '20
Choose Model
$41.95

Designed to increase horsepower and acceleration while providing excellent filtration.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

DR650 '96 - '20
Add Foam Wrap
Add Pre-Filter
Add Air Filter Care Kit
$71.95
  • Increased air flow over the stock air filter.
  • Designed to increase horsepower and throttle response.
  • Easily fits 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.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N

TW200 '87 - '20
Add Air Filter Care Kit
Add Air-box Seal
$61.95

Are you a fan of K&N air filters? Here's one built just for the TW200. Top of line filtering to keep that engine healthy for years to come.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter Cage Kit, OEM

KLR650 '87 - '18
$29.95

Have you lost or broken the stock air filter cage for your KLR? Maybe you need a spare? Here it is, the OEM cage that will fit any of the foam air filters on this page. This kit includes the cage and the mounting hardware.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter Cage Kit, OEM

DR650 '96 - '20
$24.95

Have you lost or broken the stock air filter cage for your DR? Maybe you need a spare? Here it is, the OEM cage that will fit any of the foam air filters on this page. This kit includes the plastic holder that keeps the cage in place and the screw for that as well.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, K&N DryCharger Pre-Filter

DR650 '96 - '20
$59.95

Wraps around your K&N filter to keep water and small particles out of the filter itself. K&N DryChargers are manufactured from a durable polyester material and are pre-treated with a proprietary hydrophobic process designed to prevent splashes of water or mud from saturating your K&N air filter. The DryCharger will also stop small dirt particles; yet add little restriction to the airflow of the filter. The DryCharger can be installed under the Foam Wrap.

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Made in USA ProCycle Approved

Air Filter, DT1 Triple Layer

DR650 '96 - '20
$29.95

A ProCycle exclusive. This is our favorite air filter for the DR650. Made just for us by the folks at DT1.

  • Unique triple stage foam filter designed for the most extreme conditions
  • Increased protection against silt, water, and sand
  • Allows for extended filter service intervals
  • Neoprene base gives superior sealing to air box
  • Includes resealable bag for easy oiling and storage
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Air Filter, Foam Wrap

DR650 '96 - '20
$19.95

Extra dirt protection for your K&N filter. Our custom made oiled-foam filter sleeve wraps snugly around the K&N filter to give a first layer of protection against dust and dirt. Oil it like you would any other foam filter.