Light Intermittent Smoke
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Stage IV
Joined: Apr 2010
Posts: 4
Likes: 0
From: Central California
Light Intermittent Smoke
Well about three years ago I purchased a97 FLHt out of a barn for a good price, but it has been alot of work. For the latest about five months ago a couple of cylinder studs backed out of the back cylinder I had the problem fixed with the help of a local machine shop, and a friend helped put it back together. All appeared well until the other day, when after a short ride 25 miles or so I stopped and noticed intermittent light smoke out of the rear cylinder exhaust. Prior to the cylinder stud problem the motor was rebuilt, 30 over, 10:1 compression pistons, new heads (Stock), valves, lifters, pushrods the works, same Mikuni carb as when purchased and Samson true dual exhaust (straight pipes). 91,000 miles on the bike. I also appear to have a nickle to quarter size oil spot under the breather tube after a ride more so when it is hot. The smoke developes after the bike has warmed up. Any suggestions would be appreaciated.
Thanks, Big Nate
Thanks, Big Nate
Road Master
Joined: Aug 2010
Posts: 1,205
Likes: 18
From: SE Michigan
Nickels worth...
Well about three years ago I purchased a97 FLHt out of a barn for a good price, but it has been alot of work. For the latest about five months ago a couple of cylinder studs backed out of the back cylinder I had the problem fixed with the help of a local machine shop, and a friend helped put it back together. All appeared well until the other day, when after a short ride 25 miles or so I stopped and noticed intermittent light smoke out of the rear cylinder exhaust. Prior to the cylinder stud problem the motor was rebuilt, 30 over, 10:1 compression pistons, new heads (Stock), valves, lifters, pushrods the works, same Mikuni carb as when purchased and Samson true dual exhaust (straight pipes). 91,000 miles on the bike. I also appear to have a nickle to quarter size oil spot under the breather tube after a ride more so when it is hot. The smoke developes after the bike has warmed up. Any suggestions would be appreaciated.
Thanks, Big Nate
Thanks, Big Nate
Former Sponsor
Joined: May 2010
Posts: 271
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JR
Club Member
Joined: Feb 2008
Posts: 18,575
Likes: 4
From: Norfolk, VA
Remove your spark plugs and check the color...That is a good barometer for what is going on inside the cumbustion chamber...As a good measure, if one head/cylinder has an issue, it's best to do both....I learned that the hard way!!! lol
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