Boyesen Engineering has now released the NEW QuickStart. Hot engine starting is no longer a problem and is available for ALL Keihin FCR carbureted MX, Offroad and ATV models. The patented performance of the proven QuickShot system, now with adjustable...

Boyesen Engineering has now introduced the NEW QuickShot 3. This bolt-on performance accelerator pump cover eliminates bog, improves throttle response and offers hassle free leak jet circuit tuning. Currently available for ALL Keihin FCR carbureted MX,...