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need help

qjmorr

New member
Hi everybody new in the boating world i have a 1982 hewescraft river runner with a 93 force 150 with jet it tops out at about 24 mph on the lake with just me? Just wondering it seems like it should be a bit quicker it has in beetween 110 and 130 compression in the cyl. Oh and the boat is an 18ft thanks for all the help
 
Get a different gauge and do another test.
You pull all the plugs when doing the test?
Do a spark test.
You have a tach?
What kind of RPM's at wide open?
What kind of load on the boat?

Jets don't get the speed a regular prop unit does but 24 does seem low.

Answer these questions and add any other info you can add.
Oh yea, WELCOME!!
 
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