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Jets

(96 products)
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96
96
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96
96
products
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Jet type
Main Pilot Powerjet Choke
Carburetor make
Arreche / Amal Bing BVF Dell'Orto 5mm Dell'Orto 6mm Dell'Orto SI Dell'Orto VHST Gurtner/Weber Keihin / CVK M4 Keihin / CVK M5 Mikuni Molkt PHBG Polini CP PWK
Brand
Swiing Arreche Dell'Orto Gurtner S.A Malossi Mikuni MotoForce MotoForce Racing Naraku Polini Stage6 Stage6 R/T Standard Parts Swiing Weber YCF
Price
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MotoForce
Pilot Jet Set MotoForce Racing for Mikuni 15 - 37.5
Article no.: MF16.507010

Pilot Jet Set MotoForce Racing for Mikuni 15 - 37.5

15,50 €
In stock
RRP
18,00 €
-14% Discount
MotoForce
Main Jet Set (x5) Dell'Orto 6mm
Article no.: MF16.5051_KITX5JETDEL6MM
1

Main Jet Set (x5) Dell'Orto 6mm

5,40 €
In stock
6,30 €
-14% Discount
MotoForce
Main Jet Set (x5) Dell'Orto 5mm
Article no.: MF16.5052_KITX5JETDEL5MM

Main Jet Set (x5) Dell'Orto 5mm

5,40 €
In stock
6,30 €
-14% Discount
MotoForce
Jet Gauge Kit (0.45-1.5mm)
Article no.: MF99.00801

Jet Gauge Kit (0.45-1.5mm)

14,00 €
In stock
RRP
14,50 €
-3% Discount
MotoForce
Main Jet Motoforce carburetor Weber (d=6mm)
Article no.: 44850_A-HDWEBER
2

Main Jet Motoforce carburetor Weber (d=6mm)

1,90 €
In stock
Stage6
Kit Stage6 Pilot Jet Dellorto PHVA/PHBN - Main Jet GY6/CVK
Article no.: 52420_A-STAGE6KIT10GICLEURS4MMGY64TEMPS

Kit Stage6 Pilot Jet Dellorto PHVA/PHBN - Main Jet GY6/CVK

14,00 €
In stock
RRP
22,00 €
-36% Discount
Stage6
Jet Kit (x10) Stage6 Mikuni TM / TMX / VM
Article no.: 52450_A-HDSETTM24

Jet Kit (x10) Stage6 Mikuni TM / TMX / VM

14,00 €
In stock
RRP
23,00 €
-39% Discount
Stage6
Jet Kit (x10) Stage6 Keihin PWK
Article no.: 52540_A-GICLEURPWK

Jet Kit (x10) Stage6 Keihin PWK

16,00 €
In stock
RRP
24,00 €
-33% Discount
Stage6
Jet Kit (x10) Stage6 Dell'Orto (d=6mm)
Article no.: 45200_A-S6HD6MMSET

Jet Kit (x10) Stage6 Dell'Orto (d=6mm)

15,00 €
In stock
RRP
23,00 €
-35% Discount
Stage6
Jet Kit (x10) Stage6 Dell'Orto (d=5mm)
Article no.: 52280_A-S6HD5MMSET
1

Jet Kit (x10) Stage6 Dell'Orto (d=5mm)

14,00 €
In stock
RRP
22,00 €
-36% Discount
Stage6
Main Jet PWK Stage6 Keihin Polini CP
Article no.: 52230_A-KEIHINHD

Main Jet PWK Stage6 Keihin Polini CP

1,40 €
In stock
2,30 €
-39% Discount
Stage6
Pilot Jet Stage6 TM24
Article no.: 52415_A-NDSTAGE6TM24

Pilot Jet Stage6 TM24

0,99 €
In stock
RRP
3,00 €
-67% Discount
Stage6
Main Jet Stage6 TM24
Article no.: 52410_A-HDSTAGE6TM24

Main Jet Stage6 TM24

0,99 €
In stock
RRP
3,80 €
-74% Discount
Stage6
Pilot Jet Set Stage6 for PWK 35 - 55
Article no.: S6-28KH-005/ND

Pilot Jet Set Stage6 for PWK 35 - 55

24,00 €
In stock
RRP
26,00 €
-8% Discount
Malossi
Jet Storage Box Malossi
Article no.: M242094

Jet Storage Box Malossi

7,50 €
In stock
RRP
7,70 €
-3% Discount
Polini
Main Jet Set Polini Keihin PWK / Polini CP
Article no.: P370.JETPWKSIZE

Main Jet Set Polini Keihin PWK / Polini CP

29,00 €
In stock
Polini
Main Jet Set Dellorto 6mm Polini
Article no.: P362.JET6MMSIZE
1

Main Jet Set Dellorto 6mm Polini

22,50 €
In stock
Polini
Main Jet Set Dellorto 5mm Polini
Article no.: P360.JET5MMSIZE

Main Jet Set Dellorto 5mm Polini

17,00 €
In stock
19,00 €
-11% Discount
Standard Parts
Main Jet M6 Bing
Article no.: 29379_gicleurprinc101octane

Main Jet M6 Bing

0,70 €
In stock
3,80 €
-82% Discount
Standard Parts
Main Jet 101 Octane M3 Bing
Article no.: 29348_gicleurprinc101octane

Main Jet 101 Octane M3 Bing

0,30 €
In stock
1,60 €
-81% Discount
Standard Parts
Jets box (x72) Dell'Orto 5mm PHBG / SHA 60 - 120
Article no.: CGN466752

Jets box (x72) Dell'Orto 5mm PHBG / SHA 60 - 120

74,50 €
In stock
82,00 €
-9% Discount
Standard Parts
Jets box (x72) Dell'Orto 6mm PHBN / PHVA 70 - 120
Article no.: CGN466751

Jets box (x72) Dell'Orto 6mm PHBN / PHVA 70 - 120

74,50 €
In stock
Mikuni
Pilot jet Mikuni VM / TM / TMX
Article no.: LNDM_PILOTJETMIKUNICARBURETORTM

Pilot jet Mikuni VM / TM / TMX

6,90 €
In stock
Polini
Carburetor Needle Set PWK Polini / Stage6 / Motoforce Racing
Article no.: P342.0129

Carburetor Needle Set PWK Polini / Stage6 / Motoforce Racing

35,00 €
In stock
RRP
40,00 €
-13% Discount
MotoForce Racing
Main Jet Kit Gurtner 74-92
Article no.: MF16.50520
2

Main Jet Kit Gurtner 74-92

12,00 €
In stock
RRP
16,50 €
-27% Discount
Sale
Polini
Main Jets Polini PWK / CP
Article no.: P370.1_AGICLEURPRINCIPALPOLINIPWKCP

Main Jets Polini PWK / CP

1,00 €
In stock
4,70 €
-79% Discount
Standard Parts
Jet Reamer
Article no.: CGN484_ALESOIR_GICLEUR

Jet Reamer

2,80 €
In stock
MotoForce Racing
Pilot Jet Set MotoForce Racing 30 - 52 for PWK
Article no.: MF16.507001

Pilot Jet Set MotoForce Racing 30 - 52 for PWK

20,50 €
In stock
Polini
Pilot Jet Set Polini CP 42-52
Article no.: P343.0302

Pilot Jet Set Polini CP 42-52

17,50 €
In stock
RRP
19,00 €
-8% Discount
MotoForce Racing
Main Jet Set PWK / Polini CP
Article no.: A-BOITEGICLEURSMFPWK

Main Jet Set PWK / Polini CP

15,00 €
In stock
MotoForce Racing
Main Jet Set Dellorto 5mm MotoForce Racing
Article no.: A-BOITEGICLEURSMF5MM
1

Main Jet Set Dellorto 5mm MotoForce Racing

13,17 €
In stock
MotoForce Racing
Main Jet Set Dellorto 6mm MotoForce Racing
Article no.: A-BOITEGICLEURSMF6MM
1

Main Jet Set Dellorto 6mm MotoForce Racing

12,00 €
In stock
14,00 €
-14% Discount
Dell'Orto
Pilot Jet Dell'Orto VHST
Article no.: 52320_A-DELLSECVHST

Pilot Jet Dell'Orto VHST

8,50 €
In stock
Dell'Orto
Pilot Jet PHVA/PHBN - Main Jet GY6/CVK
Article no.: 45400_A-KEIHINGICLEURPRINCIPALETRALENTIDELLORTO

Pilot Jet PHVA/PHBN - Main Jet GY6/CVK

2,50 €
In stock
Standard Parts
Main jet set x10 Mikuni TM / TMX / VM 90 - 109
Article no.: SP-95293

Main jet set x10 Mikuni TM / TMX / VM 90 - 109

18,00 €
In stock
Standard Parts
Main jet set x10 Mikuni TM / TMX / VM 68 - 85
Article no.: SP-93891

Main jet set x10 Mikuni TM / TMX / VM 68 - 85

16,00 €
In stock
18,00 €
-11% Discount
Standard Parts
Main jet set x10 Mikuni TM / TMX / VM 48 - 65
Article no.: SP-93890

Main jet set x10 Mikuni TM / TMX / VM 48 - 65

17,00 €
In stock
Standard Parts
Main jet set x10 Bing 96 - 113
Article no.: SP-93863

Main jet set x10 Bing 96 - 113

16,00 €
In stock
Standard Parts
Main Jet Set x10 Bing 76 - 93
Article no.: SP-93862

Main Jet Set x10 Bing 76 - 93

16,00 €
In stock
MotoForce Racing
Pilot Jet Set Dellorto PHBG / PHBD 30 - 50
Article no.: MF16.507020

Pilot Jet Set Dellorto PHBG / PHBD 30 - 50

15,50 €
In stock
Polini
Main Jet Set Polini Dell'Orto SI
Article no.: P363_JETBOXDELLORTOSI

Main Jet Set Polini Dell'Orto SI

26,50 €
In stock
Polini
Main Jet Polini Dell'Orto SI
Article no.: P363_JETDELLORTOSI

Main Jet Polini Dell'Orto SI

5,70 €
In stock
Polini
Idle Jet Polini Dell'Orto SI
Article no.: P373_JETDELLORTOSI

Idle Jet Polini Dell'Orto SI

7,40 €
In stock
MotoForce Racing
Power Jet Keihin PWK
Article no.: 52240_A-KEIHINPJ

Power Jet Keihin PWK

1,50 €
In stock
MotoForce Racing
Pilot Jet MotoForce Racing for PWK
Article no.: KH-ND-SIZE

Pilot Jet MotoForce Racing for PWK

1,90 €
In stock
Dell'Orto
Pilot Jet Dell'Ortos PHBG
Article no.: 52310_A-DELLONEBENDUESE

Pilot Jet Dell'Ortos PHBG

3,00 €
In stock
3,50 €
-14% Discount
Polini
Pilot Jet Polini CP
Article no.: P343.JETPOLINICP

Pilot Jet Polini CP

3,30 €
In stock
Mikuni
Main Jet Mikuni carburetor TM / TMX / VM
Article no.: 52500_A-TMHD24MM

Main Jet Mikuni carburetor TM / TMX / VM

2,50 €
In stock
5,00 €
-50% Discount
Gurtner S.A
Jet 52 Gurtner d.12 mm Peugeot 103
Article no.: CGN512318

Jet 52 Gurtner d.12 mm Peugeot 103

6,00 €
In stock
Gurtner S.A
Jet 50 Gurtner d.12 mm Peugeot 103
Article no.: CGN512317

Jet 50 Gurtner d.12 mm Peugeot 103

5,80 €
In stock
Standard Parts
Jet Reamer Set
Article no.: MF99.00802

Jet Reamer Set

67,50 €
In stock
Polini
Main Jet Set Polini Mikuni 280 - 370
Article no.: P380.0005

Main Jet Set Polini Mikuni 280 - 370

32,50 €
In stock
RRP
35,00 €
-7% Discount
Polini
Air Correction Jet closed Polini CP carb
Article no.: P343.0750

Air Correction Jet closed Polini CP carb

2,90 €
In stock
RRP
3,40 €
-15% Discount
Polini
Air Correction Jet 0,60 Polini CP carb
Article no.: P343.0752

Air Correction Jet 0,60 Polini CP carb

2,90 €
In stock
RRP
3,40 €
-15% Discount
Polini
Air Correction Jet 0,30 Polini CP carb
Article no.: P343.0751

Air Correction Jet 0,30 Polini CP carb

3,10 €
In stock
RRP
3,40 €
-9% Discount
Polini
Main Jet Set Polini 180 - 270 for Mikuni TM / TMX / VM
Article no.: P380.0004

Main Jet Set Polini 180 - 270 for Mikuni TM / TMX / VM

34,00 €
In stock
RRP
35,00 €
-3% Discount
Polini
Main Jet Set Polini 130 - 175 for Mikuni TM / TMX / VM
Article no.: P380.0003

Main Jet Set Polini 130 - 175 for Mikuni TM / TMX / VM

35,00 €
In stock
Dell'Orto
Main Jet Dell'Orto carburetor 6mm
Article no.: 52290_A-LHD6

Main Jet Dell'Orto carburetor 6mm

2,00 €
In stock
3,00 €
-33% Discount
Arreche
Main Jet Arreche/Amal
Article no.: 50500_A-LHDA
1

Main Jet Arreche/Amal

0,60 €
In stock
1,70 €
-65% Discount
Dell'Orto
Main Jet Dell'Orto carburetor 5mm
Article no.: 52300_A-LHD5

Main Jet Dell'Orto carburetor 5mm

1,90 €
In stock
2,50 €
-24% Discount
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12

Carburetor Jets: Essential for Optimal Carburetor Tuning

An engine is powerful and reliable only when it maintains a perfect air-fuel ratio across all RPM ranges. To achieve this, you must find the ideal carburetor setting, primarily by adjusting the jets.

Functions of the Jets

Jets regulate the amount of fuel delivered into the carburetor to prepare the mixture with air.

The main jet primarily influences high RPMs when the throttle slide is fully open (wide open throttle). It is the most important jet for engine reliability.

The pilot jet / idle jet, on the other hand, affects the lower RPM range and throttle response at small slide openings.

On PWK-type carburetors, there is also a power jet. This provides a bit more fuel at very high RPMs.

finding The Right Jet

The more an engine is tuned, the sharper its power characteristics become and the more sensitive it is to carburetor settings. Therefore, you must adapt the jet size to the setup and the specific conditions: ambient temperature, altitude, and sometimes even humidity.

To find the appropriate jet after an engine modification, you can use the following indicators:

  • The engine must run cleanly: immediate revving, no stuttering or bogging in the low end, and free revving into high RPMs.
  • The spark plug reading: After a test run under full load (at least 15-20 seconds at wide open throttle), you must remove the spark plug and check the color of the electrode. Ideally, it should be tan / brown.

Signs of a jet that is too large (mixture too rich):

  • The engine struggles to reach high RPMs and stutters at the top end.
  • The spark plug is too dark, black, and oily.

Signs of a jet that is too small (mixture too lean):

  • The engine has misfires in the lower RPM range, then revs up but feels restricted at full throttle.
  • The spark plug is too light, almost white, and very dry.

Pro Tips:

To find the correct jet, you should perform several tests and increase or decrease the jet sizes step by step. A bit of patience is required here. Additionally, ensure absolute cleanliness, as any dirt in the carburetor can lead to a breakdown.

Once you have found the right jets and the carburetor is well-tuned, you should keep an eye on the altitude and ambient temperature. If your engine runs perfectly at 300 meters altitude at 15 degrees, it might not perform the same at 700 meters at 0 degrees or at 10 meters at 35 degrees.

The setting must then be adjusted as follows:

  • Decrease main jet size → when altitude increases or temperature rises.
  • Increase main jet size → when altitude decreases or temperature drops.

Note: Motocross bikes are often supplied with a user manual containing tables that specify which jets to use under which conditions.

Jets in Our Shop

Although we carry a wide variety of individual jet types for all common carburetors on the market (Dell'Orto, Gurtner, Mikuni, Keihin, etc.), we recommend purchasing a jet set with various sizes. This allows you to fine-tune the carburetor setting perfectly step by step. We offer sets from well-known brands such as Polini, MotoForce, or Stage6 with many different sizes.

Naturally, we strive to offer these jets at the best price with the fastest possible delivery times.

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