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250x jetting

  1. Whats the perfect recipe for jetting on 87 trx250x?

    Repair & Maintenance
    Hello Honda people! Got a 87 trx250x fourtrax with ( very loud) exhaust and intake. I'm doing a carb rebuild and figured I should throw larger jets in since it has the increased air flow. I looked at the plug and it does not appear to be running lean however it does run poorly reguardless and...
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