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Keihin 21 Series Pilot Jets
Keihin 21 Series Pilot Jets

$20.99

Description See Also: 4 Reviews 34 Questions Part Numbers
Item #KHN0001

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4 Reviews
4.3 out of 5 stars
5 Star   2 4 Star   1 3 Star   1 2 Star   0 1 Star   0
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All Reviews
Verified Purchaser

Verified Purchaser
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Style 5/5

Verified Purchaser
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 4/5

Verified Purchaser
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Great product

product was exactly as pictured in the picture just did not fit my application. i guess i needed to do more research on it before i just ordered

34 Questions
Answered:   33
Not Yet:   1
Jordan
Q: Will this work on a 2005 Yamaha yfz450
1 month 10 days ago
DaveGearhead
Top 10
1 month 10 days ago
A: This jet should work for your OEM carb.
Smaily
Q: Will these work on Polaris outlaw 90 2010
1 month 21 days ago
Thumbs
Top 10
1 month 21 days ago
A: These will not fit in that Outlaws carb you will most likely have to go OEM for new jets.
Demondog79
Q: I own a 2000 Suzuki quadrunner 500 and I want to know if this will fit it has a stock carb.
2 months 20 days ago
DaveGearhead
Top 10
2 months 20 days ago
A: No. This pilot jet will not work for your carb. The only pilot jet we offer for that ride is the jets from Suzuki.
Ethan
Q: 2017 ttr 230
Over 5 months ago
i'm going to try and "uncork" my 2017 ttr 230 and am looking to upgrade my main jet from a stock #125 to a #130 and my pilot from a #36 to #38 will this fit the stock carb and do you have the main jet as well?
DaveGearhead
Top 10
Over 5 months ago
A: Because there are 2 different types of jets offered from Keihen, we would need to know if you run a Series 21 or Series 22 pilot jet. Series 22 jets threads on the neck and Series 21 jets threads on the body of the jet.
Joey
Q: Does this work on a 98 YZ250 2 Stroke? It doesn’t say
Over 6 months ago
David
Top 10 Contributor
Over 6 months ago
A: This will not work on your bike.
Recon
Q: I have a 2004 KTM 450 SX with a keihin fcr 41 carburetor will this jet fit
Over 6 months ago
David
Top 10 Contributor
Over 6 months ago
A: This will not work.
shawn
Q: I need to increease the size of my pilot jet. stock is a #52. is bigger a higher number or loweer number?
1 year 4 months ago
also what is the difference between the 21 series and the 22 series??
BillyEXT3407
Top 25
1 year 4 months ago
A: Shawn,
The larger the jet number will allow for more fuel to flow. Also, the 21 and 22 series jets are for different types of carburetors. Your 1996 CR250 with stock carburator will require a 21 series pilot jet.
Suzuki
Q: I have a 2007 RMZ 450 whats the standard jet size in them? I need to fatten it up for winter. the diffeence between the 21 series and 22 series jet?
1 year 8 months ago
sands
Q: This makes no sense
1 year 11 months ago
Why would anyone aside from a repair shop want 4 of the same pilot jet!? This should be a 4 pack of different sizes within the range of what the user thinks will work for his altitude, temp etc... The whole reason to re-jet your bike is to test various sizes to see which size runs the best. Dumb.
MotoSportExpert
MotoSport Staff Expert
1 year 11 months ago
A: Depending on which model bike you have, individual jets in optional sizes can be found in our OEM section http://www.motosport.com/dirtbike/oem-parts
We also sell jet kits.
Many bikes that require these jets have four carburetors.

Feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
sands
Q: 4 Pack of Which Numbers?
1 year 11 months ago
This is a 4 pack of what? All the same size?
MotoSportExpert
Expert MotoSport Staff
1 year 11 months ago
A: Yes the Keihin jets are sold in a 4-pack. The jet size can be selected in the drop down. Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
1 - 10 of 34
# Part Numbers
Product Variant Manufacturer Part #
35 / 4 Pack KE019.005 4/PK
38 / 4 Pack KE019.006 4/PK
40 / 4 Pack KE019.007 4/PK
42 / 4 Pack KE019.008 4/PK
45 / 4 Pack KE019.009 4/PK
48 / 4 Pack KE019.010 4/PK
50 / 4 Pack KE019.011 4/PK
52 / 4 Pack KE019.012 4/PK
55 / 4 Pack KE019.013 4/PK
58 / 4 Pack KE019.014 4/PK
60 / 4 Pack KE019.015 4/PK
62 / 4 Pack KE019.016 4/PK
65 / 4 Pack KE019.017 4/PK
68 / 4 Pack KE019.018 4/PK
70 / 4 Pack KE019.019 4/PK
72 / 4 Pack KE019.020 4/PK
75 / 4 Pack KE019.021 4/PK
78 / 4 Pack KE019.022 4/PK
80 / 4 Pack KE019.023 4/PK