Description
Condition: For parts or rebuild.
This genuine Mikuni HSR-42 flat-slide carburetor has a solid body, good float, working slide, all OEM Mikuni jets, and an intact carburetor bowl. Main and pilot jets are correct from the factory — 160 main / 25 pilot — with no aftermarket jets installed.
Parts Needed (per inspection):
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1x Mikuni pin
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1x Throttle bell lever crank pin
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1x Idle adjustment spring
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1x Accelerator pump nozzle O-ring
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1x Accelerator pump rod
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1x Rubber boot for accelerator pump rod
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1x 12 mm Mikuni accelerator pump plunger
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Various small springs and hardware (most included, one spring required)
What’s Good:
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Carburetor body in solid condition
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Float is good
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Slide is good
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All bolts present
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Correct OEM Mikuni jets installed (160 main, 25 pilot)
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No stripped threads or damaged castings
Estimated Parts Cost:
Parts from NicheCycle.com subtotal around $73.35 plus roughly $15 shipping (about $82 total).
A genuine Mikuni choke cable is around $40 + tax (or $8.99 shipped for aftermarket).
If you choose all OEM parts, expect about $130 total to complete this carburetor.
Services Available:
I also offer carburetor rebuilding, cleaning, and jetting services.
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I stock main jets from 160 up to 180+ for high-performance or nitrous setups
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I stock pilot jets in a wide range for any build
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I can preset the air/fuel screw to your preference before shipping
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I can supply and install all missing parts, re-jet to your needs, and return the carburetor ready to run
Labor is charged separately from parts, with optional jet assortment packages available.
Price for This Listing:
$25 shipped as shown — ideal for someone with the time to finish the rebuild or for a budget performance project.
If you’d prefer it built and tuned for your setup, call me — my number is on my virtual business card in my store.
