Read ( 8 ) Reviews

Mikuni Pilot Jet

J&P Cycles Part Number: 400-787

Manufacturer Part Number: KVM28/486-27.5


Gold Club Price: $2.69

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Important Fitment Note

For Mikuni HSR 42/45/48 carburetors only.


Description for Mikuni Pilot Jet

• This is a Genuine Mikuni pilot jet

• Constructed from solid brass and stamped with size markings for easy identification

• Diameter is .275mm

Product Specs

Product Specs for Mikuni Pilot Jet

Carb Jets:
Pilot Jets
Manufacturer Part Number:
Warehouse Part Number:
Fitment Note:

For Mikuni HSR 42/45/48 carburetors only.

Fitment Note:

This item is a universal/custom fit component, and does not have any direct standard/OEM model application. Some items may require modification and an advanced level of mechanical skill and/or knowledge for installation.

Fitment Questions?

With over 750 years of experience combined, our tech staff has the answers!

Customer Reviews

Customer Reviews for Mikuni Pilot Jet

Overall Rating

5 out of 5 stars (based on 8 reviews)

5 stars (7)

4 stars (1)

3 stars (0)

2 stars (0)

1 star (0)

0 stars (0)


Good product true to size.


Best price in town.


Another fine Mikuni product, should do the trick.The 1st sent was packaged wrong, but JP sent me this one free thanks


This jet helped cure a slow start and improved warm up time. Cured low speed "pop" through the air cleaner.


Genuine Mikuni part with the quality you'd expect. Good if it's the size you need (it worked for my setup).


Nice item


In stock and exactly what is should be at a great price!!


Fixed the carb immediately. bike runs great.

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