Motorcycle Carburetors
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Steel Thunder Custom Cycles
3410 Teagues Road
Marshfield, MO 65706
417-468-2326
 When
it comes to fuel induction systems Mikuni has taken the scientific approach
towards making more power. Some aftermarket motorcycle carburetors use butterfly
throttle valves which obstruct the carburetors venturi at all throttle openings
creating airflow turbulence and hindering precise air/fuel metering. The
Mikuni HSR with its flat throttle slide allows for an unobstructed venturi
that actually flows more air at full throttle to produce more peak power
than other carburetors with bigger bores. While at smaller throttle openings
the Mikunis' smaller yet higher velocity flowing venturi, together with
its advanced fuel metering system provides a stronger overall powerband.
Features greater (15%) air flow, enlarged needle and float bowl, adjustable
accelerator pump, and enrichner system. All kits are jetted perfectly and
ready to run. Included is complete installation instructions and owner's
manual. Not for use with nitrous oxide systems. Will fit cruise control
model bikes if cruise control is not used. |
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HSR
SMOOTHBORE CARBURETOR KITS FOR BIG TWIN EVOLUTION 42mm Mikuni Carburetor Kit for Big Twin Evolution 1990/Later. Kit includes misc. mounting hardware. This kit utilizes your OEM intake manifold, air filter, cables and backing plate. Part#:MU82011 ... $ 376.06 including free shipping* |
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HSR
SMOOTHBORE CARBURETOR KITS FOR BIG TWIN EVOLUTION 42mm Mikuni Carburetor Kit for Big Twin Evolution 1984/Later. Kit includes intake manifold, manifold to carburetor adapter, chrome filter cover, K&N air filter, and all mounting hardware. Uses OEM type throttle & idle cables for correct year (1984/1989 models must use 1990/1995 cables). Part#:MU82010 ... $536.49 including free shipping* |
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HSR
SMOOTHBORE CARBURETOR KITS FOR TWIN CAM 88 42mm Mikuni carburetor kit for carbureted Twin Cam 88 models. Kit is designed to be used with your existing throttle cables, enrichner choke cable, intake manifold and air filter cover. Must be used with a Screaming Eagle high flow air filter kit. Fits Twin Cam 88" 1999/Later. Part#:MU82091 ... $356.17 including free shipping* |
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HSR
SMOOTHBORE CARBURETOR KITS FOR BIG TWIN EVOLUTION AND TWIN CAM 88 45mm Performance
Mikuni Carburetor Kit for Twin Cam. Kit includes
standard length manifold, manifold to carburetor adapter, K&N air
filter, chrome filter cover, mounting hardware and instructions. Fits
Twin Cam 1999/Later. (use 1999/Late cables) |
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HSR
SMOOTHBORE CARBURETOR KIT FOR 100+ CUBIC INCH ENGINES 48mm Full Race Carburetor Kit is designed for 100+ ci engines. Includes adapter for two bolt S&S Super 'G' type intake manifold. Requires Big Twin 1990/1995 throttle cables. If mounting on a Big Twin Evolution 1993/Later, we recommend using our MU82438 head breather vent/air filter mounting kit. If mounting on a TC 88, we recommend using our MU82435 mounting kit. For maximum filtration use our MU84584 K&N brand air filter element. This element is designed to be used with a Big Twin Evolution 8 inch round filter cover. If using a custom flat backed air filter with a 3 bolt mount, use our MU82882 adapter kit. (Catalog supplied with carb kits, or call to order extra parts.) Part#:MU82001 ... $453.82 including free shipping* |
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CARBURETOR
REBUILD KITS FOR MIKUNI SMOOTHBORE HS 40 If you have 50,000 miles on your carburetor and are getting 50 miles to the gallon, that means 1000 gallons of gas has flowed through your carburetor. That's equivalent to over 18, 55-gallon drums of gas. It's time for a carb rebuild. HS 40 Part#:MU82428 ... $52.95 including shipping* |
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CARBURETOR
REBUILD KITS FOR MIKUNI SMOOTHBORE HSR 42 and HSR 45 If you have 50,000 miles on your carburetor and are getting 50 miles to the gallon, that means 1000 gallons of gas has flowed through your carburetor. That's equivalent to over 18, 55-gallon drums of gas. It's time for a carb rebuild. HSR 42 & 45 Part#:MU82429 ... $57.95 ncluding shipping* |
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PRO
POWER TUBE FUEL ATOMIZER KIT FOR MIKUNI HSR CARBURETORS The secret is in the mist. Increases output by up to 5 horsepower. Enhances throttle response while improving fuel economy. Includes main jets in sizes 165/185 for fine tuning. Easy to follow instructions are included. Made in the U.S.A. Part#: MU82439 - Fits Mikuni HSR Smoothbore 42 & 45mm Carburetors ... $74.75 including shipping* |
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Quick Kits
Complete Kits |
EDLEBROCK
PERFORMER SERIES CARBURETORS
EPS carburetors feature an adjustable accelerator pump
for instant throttle response and easier starting. Note: Carbs for 88-03 XL, 90-06 Big Twins spigot mount; all others are flange mount. Note: Some 86 883 and 1100 XL models have extra-large cylinder fins, so carbs may need to be spaced or fins modified. PRICE CHART BELOW: Prices include shipping* |
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We also carry S&S Carburetors and Kits. Breathers, mounts, carb brackets, stacks, etc. can be found on Air Page. |
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*FREE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship only within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. We do not ship to Puerto Rico.
Prefer to call in your order to Steel Thunder? Call toll-free: 1-866-889-7828. 9-5 CST M-F.
Please note that all prices are subject to change.
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Steel Thunder Custom Cycles
3418 Teagues Road
Marshfield, MO 65706
417-468-2326
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