Yamaha Discussions about Yamaha ATVs.

sparkplug

Old Jul 19, 2006 | 10:37 PM
  #1  
ZapooMafoo's Avatar
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Default sparkplug

Can someone tell me if my quad is running lean?

Here is a pic of the sparkplug (probly really hard to tell)

sparkplug
 
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Old Jul 19, 2006 | 11:08 PM
  #2  
recon99's Avatar
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looks really rich to me
 
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Old Jul 19, 2006 | 11:11 PM
  #3  
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Default sparkplug

yes rich.....was your airfilter dirty ?
 
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Old Jul 19, 2006 | 11:18 PM
  #4  
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Default sparkplug

no my airfilter was just cleaned. The sparkplug seems to be alot darker in the pic. So yeah pictures of sparkplugs are not very good.
 
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Old Jul 19, 2006 | 11:19 PM
  #5  
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Default sparkplug

well when its rich does it pop somtimes when letting of the gas?
 
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Old Jul 20, 2006 | 12:39 AM
  #6  
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Default sparkplug

Originally posted by: ZapooMafoo
well when its rich does it pop somtimes when letting of the gas?
The backfires are normal, and sound cool. [img]i/expressions/face-icon-small-wink.gif[/img] At least I think, lol.
 
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Old Jul 20, 2006 | 01:19 AM
  #7  
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Default sparkplug

if the quad dies on the backfires... or is loud.. or sounds more of a popping.. look into a cracked intake boot...


also.. it looks close to spot on
 
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Old Jul 20, 2006 | 02:47 AM
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Default sparkplug

Looks rich to me.
 
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