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Ask Dominick Your Own Question
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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Just put new powerhead on 250hpdi checked it with computer

Customer Question

just put new powerhead on 250hpdi checked it with computer everything is good but I cant get over 38mph and my tach wont go above 4300rpms
Submitted: 4 months ago.
Category: Boat
Expert:  Jason replied 4 months ago.

Hello my name is ***** ***** am I speaking with?

Have you checked compression and spark output? What is the high fuel pressure reading according to YDS?

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