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Old July 15th, 2003, 11:36 AM
DmanLV DmanLV is offline
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Location: LV nevada
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Default Mercury 115 74 rpm loss

Hello i'll try to get this story in short n sweetK i have a 74 115hp mercury when i bought it a year ago it got up to about 5200 rpms about 36 mphn after the season came to a close I had a few problems the floats filled (so replaced) and I added way to much oil to gas do to faulty ratio mixture funnel anyway it began to lose rmps slowly on the water then go back up to about 5200then after that day it stopped at about 3000rpmsince then i have replaced the plug/wires,statordistributor belt,fuel lines ,fuel filter Since the stator replacement it seems to have the power it had before but it still wont go pasted 3000rpms like it wants to go but not enough throttle cable if that helps Please helpIrecently brought it to a suposed Mech n he said replace the controlbox n cables hahai brought them down to local marine shop they said they were fine so I;m lost now:
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Old July 15th, 2003, 04:05 PM
NathanY NathanY is offline
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Join Date: Mar 2002
Location: Fort Worth Texas
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Default Re: Mercury 115 74 rpm loss

First of all, if you replaced your distributor belt, regardless if you think it moved or not, it needs to be timed. That is where I would start. If you keep running it, you WILL burn it up.
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Old July 16th, 2003, 02:52 AM
DmanLV DmanLV is offline
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Join Date: Jul 2003
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Default Re: Mercury 115 74 rpm loss

Hello thats what i thought toowhy i brought it to a shop to have it timed n carbs looked at n adjustedmore to this story but didnt want to bring it to athree page storyi brought it to a place n had it looked at they said it was the control box but truthfully when i bought it the handle wasnt set right so neutral is back toward reverse rather than straight up whythey told me it was control box but my thinking was they would know to move the control arm forward n back when testin plus i told them when i dropped it off also one of the cable brackets(throtle) was brokentold them about that to0after the rippoff of that place i ordered the new bracket n was told my controlbox n cables were fine n almost newso preceding to my same questionafter reading all the posts on this page about stator n wires n everything figured they were not to badly priced so why not change(reason for stator was a recent post about power loss was working fine n then dropped to 2k rpms in matter of one day out,also wasnt getting a charge on battery) but after i changed the statorshe got the power she used to have but no secondaries still:???but since this all started with the over filling of oil in gas ratio now im thinking just to rebuild the carbs what you think could that much oil clog any jets???thanksfor time n Help D
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Old July 16th, 2003, 07:09 AM
mellowyellow mellowyellow is offline
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Join Date: Jun 2002
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Default Re: Mercury 115 74 rpm loss

do you have spark on all 6 cyl? sounds like it'sdroppin a cyl. or 2....good luck,M.Y.
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