Spark plugs burning rich. – GT125R
- This topic has 3 replies, 2 voices, and was last updated 2 years ago by
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2.5 turns out each pot. Leave it there forever & ever. If there is issues , the bike needs attention elsewhere (meaning leave mixtures alone after this)
Factory is around 3 turns out each.  I would NOT try to go below 2.5.  Jetting is easier than messing with mixtures.
If the plug is “oily” with oil drops , consider the valve head seals like this one
Engine Valve Stem Guide Oil Seal (x4 Seals) – Various Hyosung Models
But inspect the plugs first ,  then fit a NEW set of CR8E , as old plugs that are fouled won’t make full power anymore.
Service manual says plugs are that are fouled (either too soon or ages go) must be changed right away.
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- This topic has 3 replies, 2 voices, and was last updated 2 years ago by .
-
Posts
-
-
-
2.5 turns out each pot. Leave it there forever & ever. If there is issues , the bike needs attention elsewhere (meaning leave mixtures alone after this)
Factory is around 3 turns out each.  I would NOT try to go below 2.5.  Jetting is easier than messing with mixtures.
If the plug is “oily” with oil drops , consider the valve head seals like this one
Engine Valve Stem Guide Oil Seal (x4 Seals) – Various Hyosung Models
But inspect the plugs first ,  then fit a NEW set of CR8E , as old plugs that are fouled won’t make full power anymore.
Service manual says plugs are that are fouled (either too soon or ages go) must be changed right away.
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-
-
- You cannot reply to this topic.