Dirt Bike Air and Fuel
Dirt Bike Air & Fuel Systems at JJ Motorsports
Optimize your bike’s performance with high-quality air and fuel components from JJ Motorsports. Browse air filters, carburetors, and fuel system parts engineered to deliver clean airflow and a consistent fuel mix for peak efficiency. Ensure your bike runs smoothly by pairing these with other essential off-road dirt bike accessories.
Shop trusted brands like Motion Pro for cables and Uni Filter for high-flow filters. Explore related categories such as Dirt Bike Engine Parts for rebuilds or Dirt Bike Exhaust for complete tuning.
Top Dirt Bike Air & Fuel Products
- MOTION PRO Clutch Cable - Honda - Black Vinyl 02-0603 – Nylon-lined for smooth operation and OEM fit.
- UNI FILTER Filter - GS550/650 Miscellaneous NU-2439 – High-flow foam for better air intake and easy cleaning.
- MIKUNI Main Jet - 4-Pack N100604-1025 – Precision jets for VM16, HS40, HSR42/45/48 carbs.
- DYNOJET Power Vision 3 - Yamaha PV3-22-16 – Flash tunes with real-time data display for Yamaha models.
- UNI FILTER Filter - GS650G/GL/M NU-2440 – Precision fit with indefinite service life for Suzuki GS models.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
MIKUNI VM Series Carburetor - 34mm VM34-275
MIKUNI
$170.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in Japan10020054- SKU:
- 10020054
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
- COLOR/FINISH:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- OFF-ROAD
- CARBURETOR SIZE METRIC:
- 34.00 MM
- NEEDLE:
- 6DH4
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- SLIDE CUTAWAY:
- 2.5 (VM32/65)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 40
- COLOR/FINISH:
- NATURAL
- NEEDLE VALVE:
- 3.3 (VM34/39)
- RIDING STYLE:
- UTV
- AIR JET:
- 2.0
- BASE COLOR:
- SILVER
- MAIN JET:
- 260 (4/042)
- NEEDLE JET:
- Q-2 (159 SERIES)
- PILOT JET:
- 35 (VM22/210)
- UNITS:
- EACH
$170.00Qty in Cart: 0Quantity:Price:$170.00Subtotal: -
MIKUNI VM Series Carburetor - 36mm VM36-4
MIKUNI
$184.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in Japan10020055- SKU:
- 10020055
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- COLOR/FINISH:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- MAIN JET:
- 310 (4/042)
- NEEDLE JET:
- Q-5 (159 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- CARBURETOR SIZE METRIC:
- 36.00 MM
- COLOR/FINISH:
- NATURAL
- NEEDLE VALVE:
- 3.3 (VM34/39)
- RIDING STYLE:
- UTV
- RIDING STYLE:
- STREET
- AIR JET:
- 2.0
- BASE COLOR:
- SILVER
- NEEDLE:
- 6FJ6
- PILOT JET:
- 35 (VM22/210)
- SLIDE CUTAWAY:
- 2.5 (VM36/36)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 43
- UNITS:
- EACH
$184.00Qty in Cart: 0Quantity:Price:$184.00Subtotal: -
MIKUNI VM Series Carburetor - 38mm VM38-9
MIKUNI
$184.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in Japan10020056- SKU:
- 10020056
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- AIR JET:
- 0.5
- COLOR/FINISH:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- NEEDLE VALVE:
- 3.3 (VM34/39)
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- CARBURETOR SIZE METRIC:
- 38.00 MM
- MAIN JET:
- 330 (4/042)
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
- NEEDLE JET:
- Q-2 (166 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- SLIDE CUTAWAY:
- 2.5 (VM38/24)
- BASE COLOR:
- SILVER
- NEEDLE:
- 6DP1
- PILOT JET:
- 30 (VM22/210)
- RIDING STYLE:
- UTV
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 43
$184.00Qty in Cart: 0Quantity:Price:$184.00Subtotal: -
MIKUNI Motorcycle Carburetor - 32mm VM32-33
MIKUNI
$165.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in JapanVM3233- SKU:
- VM3233
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- AIR JET:
- 2.0
- BASE COLOR:
- SILVER
- CARBURETOR SIZE METRIC:
- 32.00 MM
- COLOR/FINISH:
- NATURAL
- PILOT JET:
- 35 (VM22/210)
- RIDING STYLE:
- STREET
- NEEDLE JET:
- Q-6 (159 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- MAIN JET:
- 200 (4/042)
- NEEDLE:
- 6DP17
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- NEEDLE VALVE:
- 3.3 (VM34/39)
- SLIDE CUTAWAY:
- 3.0 (VM34/110)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 40
$165.00Qty in Cart: 0Quantity:Price:$165.00Subtotal: -
MIKUNI Motorcycle Carburetor - 34mm VM34-168
MIKUNI
$170.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in JapanVM34168- SKU:
- VM34168
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- CARBURETOR SIZE METRIC:
- 34.00 MM
- NEEDLE:
- 6DH4
- NEEDLE VALVE:
- 3.3 (VM34/39)
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- RIDING STYLE:
- ATV
- SLIDE CUTAWAY:
- 2.5 (VM34/110)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 40
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- NATURAL
- NEEDLE JET:
- Q-2 (159 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- UTV
- AIR JET:
- 2.0
- MAIN JET:
- 260 (4/042)
- PILOT JET:
- 35 (VM22/210)
- RIDING STYLE:
- STREET
$170.00Qty in Cart: 0Quantity:Price:$170.00Subtotal: -
MIKUNI Needle Jet VM34/05-O-4
MIKUNI
$15.49Inside diameter increases in size as size’s code increases alphabetically and numerically, Genuine Mikuni needle jets will have series and size stamping for identification, Needle jets allow a great way for tuning carb at 1/4-3/4 turn throttle, Made in...159O4- SKU:
- 159O4
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- FOR VM 30 MM - 36 MM SPIGOT
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- NEEDLE
- UNITS:
- EACH
- JET SIZE:
- O-4
- MATERIAL:
- BRASS
- MODEL:
- TYPE 159
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$15.49Qty in Cart: 0Quantity:Price:$15.49Subtotal: -
MIKUNI Needle Jet 990-793-004-P-8
MIKUNI
$15.49Inside diameter increases in size as size’s code increases alphabetically and numerically, Genuine Mikuni needle jets will have series and size stamping for identification, Needle jets allow a great way for tuning carb at 1/4-3/4 turn throttle, Made in...159P8- SKU:
- 159P8
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- FOR VM 30 MM - 36 MM SPIGOT
- MATERIAL:
- BRASS
- MODEL:
- TYPE 159
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- JET SIZE:
- P-8
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- NEEDLE
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$15.49Qty in Cart: 0Quantity:Price:$15.49Subtotal: -
MIKUNI Dual Fuel Pump DF52-176
MIKUNI
$52.95A genuine Mikuni fuel pump for dual-carb systems, Made in JapanDF52- SKU:
- DF52
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- FUEL PUMP
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- STYLE:
- DUAL CARBURETOR
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
MIKUNI Main Jet #175 - 4-Pack 4/042-175
MIKUNI
$14.56Fit Mikuni carburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series and others that originally came with 4/042 main jets, Also fit several OE applications; check dimensions before ordering, Made in JapanKM4042175- SKU:
- KM4042175
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- HEAD TYPE:
- HEX HEAD
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- 4 PACK
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 175
- OVERALL DIAMETER METRIC:
- 6.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
$14.56Qty in Cart: 0Quantity:Price:$14.56Subtotal: -
MIKUNI Super BN Series Pilot Jet - 4-Pack N100606-675
MIKUNI
$5.20Sold to dealers 4 per pack; sold to consumer as each, Made in JapanKN100606675- SKU:
- KN100606675
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 67.5
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- PILOT
- PRODUCT NAME:
- JET
- UNITS:
- 4 PACK
$5.20Qty in Cart: 0Quantity:Price:$5.20Subtotal: -
MIKUNI Needle Jet 785-24001-P-2
MIKUNI
$15.49Inside diameter increases in size as size’s code increases alphabetically and numerically, Genuine Mikuni needle jets will have series and size stamping for identification, Needle jets allow a great way for tuning carb at 1/4-3/4 turn throttle, Made in...389P2- SKU:
- 389P2
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- NEEDLE
- FEATURES:
- FOR TM 32 MM - 33 MM SPIGOT
- MODEL:
- TYPE 389
- JET SIZE:
- P-2
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$15.49Qty in Cart: 0Quantity:Price:$15.49Subtotal: -
MIKUNI TM Series Carburetor TM33-8012
MIKUNI
$476.95Flat slide design helps create a smooth bore effect, increasing air flow, Significant performance improvements over older round slide carbs, Great throttle response because of more precise fuel metering, All are center-pull style throttle, unless noted...10020038- SKU:
- 10020038
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- CARBURETOR SIZE METRIC:
- 33.00 MM
- MAIN JET:
- 127.5 (N100.604)
- PILOT JET:
- 37.5 (VM28/486)
- RIDING STYLE:
- OFF-ROAD
- AIR JET:
- 0.7
- NEEDLE JET:
- P-8 (640 SERIES)
- PRODUCT NAME:
- CARBURETOR
- RIDING STYLE:
- UTV
- SLIDE CUTAWAY:
- -
- NEEDLE:
- 5FP96
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 40
- STYLE:
- FLAT SLIDE
- NEEDLE VALVE:
- -
- UNITS:
- EACH
$476.95Qty in Cart: 0Quantity:Price:$476.95Subtotal: -
MIKUNI Main Jet #290 - 4-Pack 4/042-290
MIKUNI
$14.56Fit Mikuni carburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series and others that originally came with 4/042 main jets, Also fit several OE applications; check dimensions before ordering, Made in JapanKM4042290- SKU:
- KM4042290
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ATV
- UNITS:
- 4 PACK
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 290
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- HEAD TYPE:
- HEX HEAD
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- MATERIAL:
- BRASS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
$14.56Qty in Cart: 0Quantity:Price:$14.56Subtotal: -
MIKUNI TMX Series Carburetor TM35-1
MIKUNI
$229.00Lightweight, flat slide design with smooth bore venturi provides improved throttle response and a wider powerband, Baffled chamber enclosing main jet allows for improved performance on rough terrain, Twin floats move independently to improve cornering...10020039- SKU:
- 10020039
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- STYLE:
- FLAT SLIDE
- BASE FINISH:
- NATURAL
- BORE SIZE METRIC:
- 40.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- CARBURETOR
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI TMX Series Carburetor TM38-27
MIKUNI
$229.00Lightweight, flat slide design with smooth bore venturi provides improved throttle response and a wider powerband, Baffled chamber enclosing main jet allows for improved performance on rough terrain, Twin floats move independently to improve cornering...10020042- SKU:
- 10020042
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- CARBURETOR
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 38.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- STYLE:
- FLAT SLIDE
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI VM Series Carburetor - 44mm VM44-3
MIKUNI
$184.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in Japan10020057- SKU:
- 10020057
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- AIR JET:
- 0.5
- CARBURETOR SIZE METRIC:
- 44.00 MM
- COLOR/FINISH:
- NATURAL
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- MAIN JET:
- 310 (4/042)
- NEEDLE VALVE:
- 3.3 (VM34/39)
- RIDING STYLE:
- ATV
- SLIDE CUTAWAY:
- 2.5 (VM44/23)
- BASE COLOR:
- SILVER
- NEEDLE JET:
- AA-5 (224 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- COLOR/FINISH:
- SILVER
- NEEDLE:
- 7F7
- PILOT JET:
- 35 (VM22/210)
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 52
$184.00Qty in Cart: 0Quantity:Price:$184.00Subtotal: -
SHINDY Carburetor Kit - CR80R/CR85R 03-701
SHINDY
$32.95Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...10031136- SKU:
- 10031136
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- CARBURETOR
$32.95 -
SHINDY Carburetor Kit - CR250R '01-'03 03-705
SHINDY
$30.95Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...10031140- SKU:
- 10031140
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- CARBURETOR
$30.95 -
SHINDY Carburetor Repair Kit - CR500R 03-7A5
SHINDY
$26.95Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...10031201- SKU:
- 10031201
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$26.95 -
SHINDY Carburetor Repair Kit - Suzuki RM85 03-801
SHINDY
$29.95Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...10031202- SKU:
- 10031202
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal:
