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Main Jet - 4/042-320

  • Part #:
    1728320
  • Mfg Part #:
    4/042-320
  • OEM/Ref#:
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Main Jet - 4/042-320

  • Part #:
    1728320
  • Mfg Part #:
    4/042-320
  • OEM/Ref#:
Price: $5.69
In Stock - 10+ on Hand
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Mikuni Main Jet - 4/042-320
  • Brass main jets are available in sizes 50 through 200 in increments of 5, in sizes 210 through 500 in increments of 10 and in sizes 520 through 720 in increments of 20
Specifications
Part #: 1728320
Mfg #: 4/042-320
Jet Size 320
Type Jet
Type Main Jet
Units Pair
Weight 0.06 lbs
Alternate/OEM Part Number(s):
KM4042320

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Reviews & Questions
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Browse 1 question Browse 1 question and 1 answer
Will these work in a 1990 exciter?
Randy L on Jan 29, 2020
BEST ANSWER: you will have to check the number on your jet to see if it is the same. they are small you mite need a magnifying glass to read them . hope this helps
4.7 / 5.0
17 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
15
1
0
0
1
Fit
4.6 / 5
Quality
4.6 / 5
Style
4.6 / 5
Value
4.4 / 5
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
Good Buy!!
Good Price and Quality. Never have had a problem with these.
March 11, 2010
South Bend, IN
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
3 / 5
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January 22, 2010
Lanesboro, MN
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
4 / 5
No complaints
These are top-quality brass main jets for Mikuni carburetors. They fit and work perfectly. No complaints.
December 10, 2010
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
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October 24, 2009
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
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February 26, 2010
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
Good Jets
I like these because they are not screwdriver type that strip out easy.
September 28, 2009
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
3 / 5
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December 14, 2010
main jet
excellent replacement
December 15, 2015
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
best fit ever!
worked perfect. thank you!
March 25, 2013
New Richmond, WI
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
additional jets
again employees were courteous and the order arrived on time ...
September 21, 2012