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Need advice w Volvo 57 GSI loss of power

W

wnasr58

New member
"I just received my chaparral

"I just received my chaparral 260 signauture 2001 with a volvo 5.7 GSI engine and volvo dp outdrive
first trial on rough sea (2-3 ft waves) with full gas and 8 adults on board we were able to reach 38 mph and 42-4400 rpm, with the preinstalled F 4 prop.
I took the boat out of water and changed the prop with an F-8 recon prop. Back to water again next day, it run up to 4200 for few minutes and then never being able to go more than 2200 rpm, and 15 mph in a very calm sea??
I replaced the fuel filter, it came out clean and nothing changed.
temp is 150 F, oil press 40 psi, voltage 13, oil is full and brand new, outdrive oil just changed.
NO ALARM SOUND AT ALL only that of the depth finder when less than 15 ft depth.
everything looks normal, boat is only 103 hrs and looks clean and neet.
urgent advice or help for a depressed one overseas
yawn.gif

willy"
 
You might want to ck your oil

You might want to ck your oil level. VP put out a bulletin on oil service. You might have to remove a 1/2 pint. Ck with your local VP dealer. Not sure of the details. Too much will cause the oil to foam and cause a low oil pressure that will put the motor in the protection mode.
Hi exhaust temp & high water temp will also put the motor in the protection mode. Check the riser temp with your hand. If you can't keep your hand on the riser you have an overheat condition. I keep a infra red surface gun on the boat to check the risers
 
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