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    News — m4exhaust

    AHRMA West Coast Races

    Joker Machine Hagon Shocks vintage road racing team had a successful AHRMA road racing west coast swing, scoring a total of 4 wins and 4 second places. Billy Hamill road his SV650 at Willow Springs and Sonoma Raceway to victories in the Sound of Thunder Series 3. Then on a 1990 Suzuki GSXR750 in the … Continue reading "AHRMA West Coast Races"

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    For Sale: 2014 Kawasaki Ninja 300

    The best of everything. Used as a display so it has really low miles. Vortex rearsets, M4 exhaust, Power Commander, K&N filter, Sato fork preload adjusters, Joker Machine turn signals, GPR stabilizer, Woodcraft clip-ons, new chain and sprockets, 1300 miles. $3800.00 Contact Geoff at Joker Machine 909-596-9690 or

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