Recommended Carburetor Jet Range?

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moronic_kaos

moronic_kaos

New Member
Apr 6, 2010
225
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0
Connecticut
I know the jets are interchangeable with the Dellorto ones. I'm thinking about getting a range of jets (~10) to try and get this thing tuned right. What range would you guys recommend getting?

Oh, and what is the stock jet equal to?
 
W

wildemere

New Member
Feb 12, 2008
269
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Newcastle
Thats great guys but Dellorto (Italian) jets are metric, as are Mikuni or Kehien (Japanese) and the HT carb is a metric piece as well.

You cant order Dellorto jets by drill number or thousands of an inch.

Order your jets in a range from 60 to 70, thats 0.6mm to 0.7mm, the stock jet is 65 or 66.

Be sure to get originals, the knock-off ones are "kilometers" out
 
flybytaco

flybytaco

Metal Molding Madman
Oct 17, 2009
1,170
8
0
seekonk MASS
as venice stated a 70 71 work great i've been having great results with the stock #70 but i dont run pump gas and have tons of mods to my engines
 
mapbike

mapbike

Well-Known Member
Mar 14, 2010
5,502
109
63
Central Area of Texas
#73 is where mine ended up working great, my engine is the 6mm stud engine which I think is only a 60cc instead of the 66cc, nice med. brown plug color and runs out like a champ for almost 300 miles now, have made some 15-25 mile trips and ran it at close to WOT the entire way without a single problem.
 
K.i.p

K.i.p

New Member
Nov 8, 2009
339
1
0
CNY
Metric vs. standard is a moot point.
metric value/25.4 = standard
standard value*25.4=metric
No big deal.
 
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