Motorcycle Repair: 1979 IT 400 yamaha, electrical failure, cruzin


Question
last night I was riding my bike,5th gear and cruzin when i all of a sudden lost power,pulled in the clutch and it died,I down shifted to 4th and let out the clutch to restart,everything was fine.got to my buddies and stayed 4 a while,when I left everthing still fine,on my way home the same thing happend,so i down shifted again only this time won't start back up,pulled the plug,checked 4 spark(does still have spark)put a new plug in it,can smell gas,but wont start.

Answer
hi pete

i would need to perform diagnosis to learn the source of the problem,i suspect a temporary fuel obstruction or electrical failure,describe the appearance of the spark plugs to me,maybe theres evidence of other problems.

respectfully
mark shively