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when to replace?
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  1. REV-XP/XS Chassis: Perf. Trail 120-129 Inch Models
    10.5 800 Etec X, 120" New motor this season, approx 1600km and running strong. Always kept clutches clean, never had RPM issues with original motor and stock 1.25" track. Noticed some wear/grooveing middle of last season on the primary fixed sheave but no RPM issues. This season, completely...
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