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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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