Downpipe jet black inside

1 reply to this topic
  • tvrjohn

Posted October 02, 2006 - 03:09 PM


WR450 04 took exhaust off from head, and its jet black sooty inside, expected it to be grey.
Having just done 60 miles at about 60 to 70mph on the motorway

Please advise

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  • WR_Dave

Posted October 02, 2006 - 03:13 PM


The guys will need more info, altitude, all the jetting that you are using, cleaned the air filter lately? Etc; :thumbsup: WR Dave


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