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Mikuni Main Jets

5.0 out of 5 stars 1 Customer Reviews

Mikuni main jets are available in a wide range of sizes to accommodate your exhaust flow volume requirements. Standard tuning seldom needs more than small adjustments to accommodate a wide range of engine setups. One of the more common required changes is the main jet size. Install Mikuni main jets when you are ready to re-tune and get the most out of your engine.

Results 1 - 25 of 183

Carburetor Main Jet, Brass, Mikuni, 260, Set

Part Number: MKU-4042-260

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604120

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 290, Set

Part Number: MKU-4042-290

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N1006041175

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 160, Set

Part Number: MKU-4042-160

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 270, Set

Part Number: MKU-4042-270

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 250, Set

Part Number: MKU-4042-250

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604150

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Carburetor Jet, High Speed, Mikuni, Brass, SBN 38, SBN 44, SBN 46, #165, Set of 4

Part Number: MKU-N102-221165

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604125

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 320, Set

Part Number: MKU-4042-320

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 310, Set

Part Number: MKU-4042-310

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 115, Set

Part Number: MKU-4042-115

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604100

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 230, Set

Part Number: MKU-4042-230

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604140

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 210, Set

Part Number: MKU-4042-210

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 220, Set

Part Number: MKU-4042-220

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Carburetor Main Jet, Brass, Mikuni, 340, Set

Part Number: MKU-4042-340

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604110

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Carburetor Jet, High Speed, Mikuni, Brass, SBN 38, SBN 44, SBN 46, #125, Set of 4

Part Number: MKU-N102-221125

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

ROUND MAIN JETS 4/PK #110

Part Number: MKU-VM1122-110

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

ROUND MAIN JETS 4/PK #85

Part Number: MKU-VM1122-85

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

MAIN JET LG ROUND

Part Number: MKU-N100-604180

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

ROUND MAIN JETS 4/PK #90

Part Number: MKU-VM1122-90

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today