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Super BN Series Square

Pump Type Carburetors

Super BN series carburetors feature improved air flow, higher capacity

fuel pump, externally adjustable metering screws and replaceable fixed

jets for easy high and low speed tuning. Special needle valves and

springs give optimum pop-off pressure.

Made in Japan.

Designed to give Pro Level Racing performance. Features a viton 2.5

needle valve, #120 pilot (slow) jet, #150 main (high) jet, primer type

cold starter fitting, angled fuel fittings and owners manual.

(No butterfly choke)

Made in Japan.

Note: Bolt pattern is same as

BN44, some porting may be necessary for maximum air flow.

Pro Racing Super BN46 Series Carburetor

Performance 44mm single

BN44-40-8067

001-096

For most sit-down models requiring larger jets. Features a 2.5 viton

tip needle valve, #120 pilot (slow) jet, #140 main (high) jet, primer fitting

and owners manual. (No butterfly choke)

Performance 38mm single

BN38-34-8113

001-091

Replaces most standard BN or Super BN carbs. Features a 2.0 viton tip

needle valve, #65 pilot (slow) jet, #107.5 main (high) jet, primer fitting

and owners manual. (No butterfly choke)

Performance 46mm Single

BN46-42-8002

001-099

This 92 page manual includes exploded parts views, parts listings and

optional parts. Guides you through tuning and trouble shooting for the

popular lines of Mikuni Carburetors. The definite reference for Mikuni

Carburetors and a must for any do-it-yourself type. Sold each.

Sudco Mikuni Tuning Manual

Order No.

002-999

A handy pocket-sized calculator which can be used to determine

required jetting changes in Mikuni carburetors due to climate and

temperature changes. The Pocket Tuner is applicable to both single

and multi-carburetor applications on 2-stroke and 4-stroke engines. It

also has a guide for determining lean or rich carburetor conditions.

Mikuni Pocket Tuner

Order No.

002-430

Photo courtesy of Pro-Tec

Super BN Carburetors

514

ORDER: 800-998-3529

TECH: 310-637-8330

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