DYNA S SINGLE FIRE 1970 & LATER NU-1003 new shorter reed cage allows

new shorter reed cage allows use of lighter reed petals for a noticeable increase in overall performance

2020 Yamaha YZ250

YKK® hidden zipper hand pockets

Kit Includes: Inner Rotor Flywheel

DYNA S SINGLE FIRE 1970 & LATER NU-1003 new shorter reed cage allowsThe Dyna S High Performance Ignition System, designed for Harleys, is a complete self contained electronic ignition system built with the latest state of the art engineering. This is the same ignition used by top racers over the past 2 decades. The Dyna S is completely housed behind the ignition cover and uses a magnetic rotor with the original spark advancer, so the factory advance curve is maintained. Not legal for use in California on pollution