1985-1990 Suzuki LT50 Service Manual, Page 13Get this manual
PERIOOIC MAINTENANCE ANO TUNE-UP PROCEOURES
SPARK PLUG
Inspect In itia month and EverynthsJ :
Replace Every months
Neglecting the spark plug eventually leads to difficult starting and poor performanceIf the
spark plug is used for long period the electrode
gradually burns away and carbon builds up along the inside partIn accordance with the Periodic
Inspection Chart, the plug should be removed for inspection, cleaning and to reset the gap Carbon deposits on the spa rk plu will prevent good sparking and cause isfirin g_ Clean he
deposits ff periodically If the cen te electrode is fair ly worn down, the plug should be replaced and the plug gap set to the specified gap using thic kness gauge09900-20804