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  1. Neoprene seals on master cylinder piston

    ATV Brakes & Suspension
    I wondered why there is no breakdown of the auxiliary (rear) master cylinder in the Polaris shop manual for 2000 325 Magnum 4X4. They sell only the entire unit for $140.99! The 2 seals on the piston -- not the outer dirt seals -- have tiny markings. One is "77" and on the opposite side "W WE"...
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