Mikuni products for RoadStar
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Mikuni HSR Flatslide Carburetor
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Arguably the finest production carburetor available today! For those seeking the utmost in performance, these carbs are the right choice. Hellriser Customs pre-jets these for optimal performance with your RoadStar. The carb, unlike the stock CV one, comes with adjustable needle. Arguably the finest production carburetor available today! For those seeking the utmost in performance, these carbs are the right choice. Hellriser Customs pre-jets these for optimal performance with your RoadStar. The carb, unlike the stock CV one, comes with adjustable needle.


Both Thunder Kits and Baron's BAK will fit the 42mm or 45mm carbs.
You'll also need a new set of throttle cables, sold seperately.
The 42 mm includes additional main jets (installed) for fine tuning the carb.
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42mm Standard finish.
$392.95
$342.95
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42mm Polished
$528.95
$474.95
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45mm Standard Finish
$448.95
$397.95
Add to cartUsually ships next day
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45mm Polished
$599.95
$529.95
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Pilot jet.
$2.75
$2.75
Add to cartIn stock
Mikuni Idle Adjuster - Mikuni 42
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Replacement Idle adjuster for Mikuni 42/45 carbs
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Mikuni 42 choke cable
$25.95
$23.95
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Short
$21.95
$19.95
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Mikuni Main jets
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Original Mikuni main jets fit both the stock Roadstar carburator and the HSR42/45 series carburators to address various open-throttle conditions. A simple swap of the main jet will optimize your fuel delivery. These jets are also available in increments of 2.5 below/between/above the 3 main sizes shown, for precise tuning by dyno operators and racers.
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#162.5 main jet
$6.00
$6.00
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#165 main jet
$6.00
$6.00
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#167.5 main jet
$6.00
$6.00
Add to cartUsually ships next day
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#170 main jet
$6.00
$6.00
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#180 main jet
$6.00
$6.00
Add to cartUsually ships next day
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#185 main jet
$6.00
$6.00
Add to cartUsually ships next day
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#190 main jet
$6.00
$6.00
Add to cartIn stock
Mikuni Idle Adjuster - Mikuni 42.
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Replacement Idle adjuster for Mikuni 42/45 carbs
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Mikuni 42 choke cable
$25.95
$23.95
Add to cartIn stock
info
Short
$21.95
$19.95
Add to cartIn Stock
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