I just bought a 5hp nissan ns5b,runs great the guy thought it was dead turned out the kill switch was all,anyway its been sitting about 4 years,i put it a bucket and got it started very little water flow out pee hole. pulled it down found small hole in waterpump lower case repaired it with jb weld put back together,still very weak steam,the impellor is turning i tested it with a cordless drill on driveshaft in bucket has pressure when i put my thumb over it,but its not making it to the weep hole,could it be blocked from sitting,and how does it the water tube come apart.
thanks for any help
thanks for any help