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Lean?

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Old 04-07-2004, 08:28 PM
  #1
Bush Wacker
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Default Lean?

Every time I lean out my engine and floor it it stutters and stalls.
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Old 04-07-2004, 08:34 PM
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Default RE: Lean?

if it is stalling it nots getting fuel which means yes you are too lean. richen it up some. you may want to try to richen the low end and /or midrange if it has it. your low mid maybe set too lean as well. if you richen the hsn and still happens then you got to richen the low end needle)s) too
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Old 04-08-2004, 02:20 AM
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Default RE: Lean?

When the engine reaches full RPM and gets on the pipe, it should be a clean crisp wwwhhhhheeeeeeeee sound, any cutting out means it is too lean, if you go too far when you are richening it back up, it will make more of a gurgling sound and never clear out.
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Old 04-08-2004, 03:19 PM
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Default RE: Lean?

Need more info to help.


Once warmed up, then adjust as necessary to get optimum performance. You didn't tell us what needle valve you leaned out and at what throttle setting it cut out on you.

Never adjust any needle setting until an engine is fully warmed up (unless you can't get the darn engine even started).
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Old 04-10-2004, 04:45 PM
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Default RE: Lean?

id like to offer some help. start your engine and drive around a few minutes to bring the temp up. firs set the hi speed needle .richen it up at first then slowly start to lean it out 1/8th of a turn at a time until you no longer se an improvement in top speed. now set the lo speed needle. to do this increase your idle using the idle set screw. then start adding fuel 1/16th to 1/8th at a time until the engine just starts to show hesitation of the line. in my opinion this is close to the most ideal setting. cuz at hi speeds your cooling fin will be most efficient, hence you can skimp a "bit", which will raise the temp a little, but as soon as your off the throttle it gets a nice dose of cooling feul. your engine will also be extremely easy to start when set this way.
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Old 10-17-2010, 12:22 AM
  #6
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Default RE: Lean?

RICH???


Quote:
ORIGINAL: Bush Wacker

Every time I lean out my engine and floor it it stutters and stalls.
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Old 02-27-2012, 07:43 PM
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rich?
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Old 03-17-2012, 05:07 PM
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bump
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