Forums 🚥 PiT STOP 🔧 Hyosung Technical Help GT650 EFI leaning out Reply To: GT650 EFI leaning out
He also means the “black tubes” that actually connect to the spark plugs deep inside the engine but yes look for;
– Loose HT wires trying to escape the coil
– or Loose HT wire trying to escape the black tube (plug cap as it’s known as)
– Spark plug is tight in engine and is on the correct torque (max 15ft lbs on torque wench, engine is aluminium, so threads can still strip due to overtightness)
Also grab a copy of fresh CR8E plugs (OEM) and use that forever, do not worry about getting “cold” type plugs etc, or adjusting the gaps of the spark plugs. There is other ways to help the bike stay a tiny bit cooler on blazing summer heat.
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