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Aftermarket Parts / Fuel & Air / Carb Kits, Parts & Accessories

Keihin 21 Series Pilot Jet

5.0 (1 review)

Regular: $20.95 Save 10%! Sale: $18.95

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Jet Size

Specifications and Options

Brand	Keihin
Jet Size	-
Carb Accessory Type	-

Note: This item is a universal/custom fit component, and is not a direct fitment for your machine. These parts may require modification and we recommend installation by a certified mechanic. Please have machine specifications ready when you call.

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Product Details

Features

Keihin 21 series pilot jets are used in PJ, PWK, PD, and 20-32mm PE carbs
Set of 4.

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Carburetor need a good cleaning? Check out this guide to make it an easy job.

Specifications and Options

Brand	Keihin
Jet Size	35, 38, 40, 42, 45, 48, 50, 52, 55, 58, 60, 62, 65, 68, 70, 72, 75, 78, 80
Carb Accessory Type	Jets & Needles

Q & A

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Browse 10 questions Browse 10 questions and 12 answers

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Re jetting two FL350s

Russell D on Jun 2, 2020

re-jetting carbs like bike bandit

David W on Apr 1, 2019

Re jetting two FL350s

Russell D on Jun 2, 2020

bike runs too lean

Michael S on May 6, 2020

re-jetting carbs like bike bandit

David W on Apr 1, 2019

bike runs too lean

Michael S on May 6, 2020

Will these fit my carbs on a 1984 Kawasaki zx550 gpz ?

Malott-Turner B on Apr 2, 2018

BEST ANSWER: Thank you for your question! Unfortunately this item will not fit you 1984 Kawasaki zx550. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll free at 1-888-339-3888. We are always more than happy to help.

Reply(1)
Inaccurate
Ivan_BikeBandit Staff on Apr 3, 2018

Reply(1)
Inaccurate
Ivan_BikeBandit Staff on Apr 3, 2018

Unfortunately Kawasaki doesn't give us any specifications like that, and there are many variable that need to be considered. Please consult a service manual specific to this machine.

Reply
Inaccurate
Ivan_BikeBandit Staff on Apr 24, 2018

Vote for the best answer above!

will this fit my 2003 triumph Bonneville?

misael m on Oct 2, 2019

BEST ANSWER: Misael, thank you for the question. This pilot jet is made for PJ, PWK, PD, and 20-32mm PE carbs only. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll-free at 1-888-339-3888. We are always more than happy to help.

Reply
Inaccurate
Larry130 Staff on Oct 3, 2019

My bike manual says my pilot jet is 17.5 how do I match the size for my order?

John R on Jun 21, 2019

BEST ANSWER: Hello John, thanks for the question! I found two Pilot Jets with that size that I have attached below, these will work with Mikuni carbs listed in the product name. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll-free at 1-888-339-3888. We are always more than happy to help.

Reply
Inaccurate
Jose M Staff on Jun 24, 2019

Mikuni Pilot Jet (KVM22/210) 4-Pack

Mikuni Pilot Jet (VM28/486) 4-Pack

Best size jets for 01 kx 250 with procircuit pipes and Boyesen reeds?

Marty E on May 11, 2019

BEST ANSWER: Marty, thank you for the question. There are a lot of different variables to consider when choosing a jet size for your machine including temperature and altitude. We recommend asking your local certified mechanic or trustedexpert for a more accurate response. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll-free at 1-888-339-3888. We are always more than happy to help.

Reply
Inaccurate
Larry130 Staff on May 13, 2019

Are these Genuine Keihin parts?

garhett v on May 30, 2018

Keihin 21 Series Pilot Jet

Keihin Round Main Jet

BEST ANSWER: Thanks for the question Garhett! Yes, these are genuine Keihin parts. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll free at 1-888-339-3888. We are always more than happy to help.

Reply
Inaccurate
Jose M Staff on May 31, 2018

will these jets work in a 1974 tl125 honda?

jammin jimmy on Apr 25, 2012

BEST ANSWER: Thank you for the question! These specific jets made for a Keihin PJ, PWK, PD, and 20-32mm PE carbs. We do not have the specs on your carb. You will need to take a look at the carb to determine what you have.

Reply
Inaccurate
Anonymous Staff on Apr 28, 2012

what is the correct hole size for a #35 pilot jet?

carb frustrated on Oct 23, 2010

BEST ANSWER: Thanks for your question! #35 is the size of the jet. There are no other measurements listed.

Reply
Inaccurate
Staff Staff on Oct 26, 2010

How many are in a package?

How many jets do I get for my $19? It would seem like every single person who looked at this would want to know the answer to that question...might make sense to put it in the description.

Astrorobbie on Dec 15, 2009

BEST ANSWER: Thanks for your question! When you order the Keihin 21 Series Pilot Jet that would just get you one Keihin 21 Series Pilot Jet

Reply
Inaccurate
SalesDepartment Staff on Dec 16, 2009

ttr230 carb pilot screw

I'm trying to change the pilot screw in my ttr230 carb from a #36 to a #38 the yamaha # is 43f-14342-19 can not locate this part do you have a #38 pilot screw that will work in the ttr230 carb if so what is the brand and part #would like to order it from you.

Thanks
Tom

taz123 on Nov 15, 2009