motor wont run at speed

fleng10

Recruit
Joined
Feb 24, 2022
Messages
2
got a 50hp 1970s vro has been changed to premix changed fuel pump all hoses, runs great with earmuffs in driveway but on water pushing boat only just above trolling speed any ideas?
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
38,821
There was no VRO in the 1970's models.----First one were 1985 or so.-----Model # or some pictures of your motor.-----First step in trouble shooting is a compression test , post your numbers.-----Or motor is running on just 1 cylinder !
 

fleng10

Recruit
Joined
Feb 24, 2022
Messages
2
very many mistakes in my posting. is it is a 40hp VRO That I am considering purchasing, at this time do not have access to engine?
 
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