Customer Ratings
Mikuni OE Replacement BN40I Carb Sea-Doo 717 720 GS GTI GTS Sportster Challenger
Updated version of Mikuni's BN series carbs
Design features improved airflow and higher-capacity fuel pump for more demanding applications
Externally adjustable metering screws and replaceable jets make high- and low-speed tuning easy
Conventional butterfly choke for easy starting; 38mm carb uses primer
NEW GENUINE MIKUNI CARBURETOR
New genuine mikuni replacement carb
Replaces Seadoo OE# 270500328
Exact item pictured
Proper tuning required upon install
Low Speed Jet: 70
High Speed Jet: 167.5
Needle Valve: 1.5
FITS:SEA-DOO
SP 1997
GS 1997-2001
GTS 1997-2002
GTI / GTI LE 1998-2005
SPORTSTER 1998
CHALLENGER 1998
40mm
1997 Sea-Doo GS
1997 Sea-Doo GSI
1997 Sea-Doo GTI
1997 Sea-Doo GTS