US$ 17.95
- 279S-014-270-020
Rieju MR Racing 250 2021-2024
Patent pending
GN 125 HS LC6PCJB1 (2000–2011)
Yamaha - XJR1300 - 2010
BOYESEN QUICK START BOYESEN APC-3QS, APC-3QS KEIHIN FCR CARB Sprockets - 279S-014-270-020QuickStart Boyesen APC 3QS The most effective way to add performance to a Keihin FCR carburetor Integrated Hot Start Assist eliminates problem 4 stroke hot start procedure Tunable leak jet maximizes volume of fuel and duration of fuel spray for all conditions 25 percent more fuel capacity High volume vertical check valve located in the QS3 for precise, consistent fuel metering Patented design stops bogging and improves throttle response Improved low