Putt putt?


3 replies to this topic
  • butcharin

Posted May 09, 2007 - 06:34 PM

#1

So my '85 XR600R has a sputter right off the throttle. It putts twice like a bog. Just put on a new air filter so its not that. After the putts it runs like a champ. Any thoughts? :applause:
thaxs

  • Thumpmeister

Posted May 09, 2007 - 08:37 PM

#2

Carbs... I believe thats a dual-carb model, right? They might not by sync'ed right. Either that, or they can use a cleaning. Those carbs can be rather finicky, if I remember right...

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  • cleonard

Posted May 10, 2007 - 07:11 AM

#3

Carbs... I believe thats a dual-carb model, right? They might not by sync'ed right. Either that, or they can use a cleaning. Those carbs can be rather finicky, if I remember right...


The rumor is that Honda dropped the duals because the dealers techs had too many troubles getting them right.

A bog or flat spot like that is usually due to a lack of fuel. Clean that carb and make really sure that all the passageways are clear. All it takes is a tiny speck at the idle mixture screw. It could be an air leak as well. Spray carb cleaner on the boot between the carb and the engine when idleing. If the rpms change thne you have a leak. 22 year old rubber can crack and leak.

  • pianoexcellence

Posted May 11, 2007 - 09:19 AM

#4

I had the exact thing on my 2004 xrl

Turns out that the needle jet was not adjusted properly





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