1987 40hp vro
I have been chasing a lean sneeze at idle. Today with the motor in a tank running a little faster than idle. I placed my hand over the upper carb and had little to no effect on the engine. I placed my hand over the lower carb and the motor chokes out and dies instantly. The...
I have an 87 40hp Johnson twin. I have just rebuilt the vro pump and switched to premix. I have kitted the carbs and have the proper champion plugs. I can not get the engine to run smooth at idle. With the cold start lever half up it will come to speed and cough, then come up to speed and cough...
Motor has good spark and good compression. Starts and runs for a time with coll start lever up. Puts out white smoke and sputters to a hault. Plugs are sopping wet with fuel. The carbs have been removed and cleaned, no change. Carbs where rebuilt with a kit and we set floats parallel with carb...
This motor has been stored outside for 4+ years. With fresh gas the motor started initially and ran on one cylinder. We checked comp. and spark and all was good. We removed, cleaned, set the floats in carbs and reinstalled. We found a tremendous amount of crap in the high speed jet in the lower...
