What are the main and pilot jet increments?

[400exstud]

What are the main and pilot jet increments?

Do the main jets go in 1s, 2s, 3s, 5s?

I think pilots go in 1s?

[Colby@C&DRacing]

pilot jet examples 35,38,40,42,45,48,50

main jet examples 160,162,165,168,170,172,175,178

[bwamos]

aye.. they go in 2.5's rounded.

130, 132, 135, 138, 140

[400exstud]

what is the stock pilot jet for my 400?

[FoxMxRiders]

38

[jak1389]

can someone tell me the stock main jet for a 400ex. thanks

[FoxMxRiders]

Originally posted by jak1389
can someone tell me the stock main jet for a 400ex. thanks

Mj148

[jak1389]

thanks

[Robin Hood]

Originally posted by jak1389
can someone tell me the stock main jet for a 400ex. thanks

Jay, your 400's not stock.. well at least not anymore:D

[mstrav1]

standard jets mains / pilots end in 0,2,5,8 if you need something special you can buy an orfice drill kit. graingers is where i bought mine, i use it for gas orfices on heaters when converting nat - l.p. gas

[jak1389]

Originally posted by Robin Hood
Jay, your 400's not stock.. well at least not anymore:D

yea i no. but it always ran not to its full potentential and i think it might have the stock jetting. so iwanted to no the main jet size so i can buy the next couple.