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  1. J

    fuel consumption 290 amberjack, twin mag350's, v-drive

    thank you all for your replies. it is much appreciated. my boat weighs about 12,000 lbs dry. the optimal crusing speed is 26 knots at 3700 rpms. and the trim tabs are deployed. my mileage is about 1 mile/gallon per each engine. that means to go 1 mile at cruising speed of 26 knots, I burn a...
  2. J

    fuel consumption 290 amberjack, twin mag350's, v-drive

    hello all. i love my boat but i feel like i burn a heck of a lot of fuel and wanted to get your advice/thoughts. to be more specific, here's my boat condition and how she ran this past weekend: - bottom powerwashed (1 week ago) - 2 adults - full tank of gas - twin mag350's, v-drive -...
  3. J

    fuel consumption 290 amberjack, twin mag350's, v-drive

    hello all. i love my boat but i feel like i burn a heck of a lot of fuel and wanted to get your advice/thoughts. to be more specific, here's my boat condition and how she ran this past weekend: - bottom powerwashed (1 week ago) - 2 adults - full tank of gas - twin mag350's, v-drive -...
  4. J

    fuel consumption 290 amberjack, twin mag350's, v-drive

    hello all. i love my boat but i feel like i burn a heck of a lot of fuel and wanted to get your advice/thoughts. to be more specific, here's my boat condition and how she ran this past weekend: - bottom powerwashed (1 week ago) - 2 adults - full tank of gas - twin mag350's, v-drive -...
  5. J

    official 290 Amberjack thread

    bottom sanded and painted and got a tune up. and since she was in the shop I decided to get a compression check on my twin MAG350s which showed no problems. so, here's are my stats on a full tank, v-drives. 17 knots at 3200 rpm, but required trim tabs to keep her on plane. that sounds about...
  6. J

    official 290 Amberjack thread

    northshore60, thanks for the reply. i just finished sanding and bottom painting. I have the correct props with no obvious deformities. next, i'll get a tune up, and then i'll let her rip and come back with some numbers.
  7. J

    official 290 Amberjack thread

    thanks guys for all the feedback. I pulled her out of the water, am sandblasting and repainting the bottom. props look good, proper size per manual. i've always changed the oil every season, but haven't done a tune up ever (i know, crazy but i'm learning). :/ will get full tune up and see...if...
  8. J

    official 290 Amberjack thread

    i would love to ask you guys from some help. i have a 2007 AJ with 2 MAG350 inboards, v-drive. I can get up on plane in about 6 seconds at WOT, but if i go below 3600 rpms, the boat comes off of plane and i have my bow pointing straight up in the air...what is your typical (3-4 passengers), 3/4...
  9. J

    official 290 Amberjack thread

    I've fished my 2007 in San diego consistently for the last 3 years...and i've always kept her on the water at the marina. i have not had any issues with the bolsters what so ever. or on any of the vinyl for that matter.
  10. J

    unequal fuel consumption

    interesting that you ask...the starboard engine WOT is less than the port WOT rpm, but about 300-400...I did have an issue with some water leaking and they had to fix it by replacing some coupler (I assumed it had something to do with what keeps the water out of the bilge where the shaft...
  11. J

    unequal fuel consumption

    need advice. searay amberjack 290, V-drive mercruiser 350's. fuel injected. my starboard engine consumes nearly 1.5 times as much fuel as my port engine. also, if i troll at low speeds, the starboard engine stalls after about 15 minutes of low rpm/idle. i only have about 90 hours on the engines...
  12. J

    350HP Mercruiser MPI Horizon's stalls

    thank you everyone for your wise advice. I will first learn how to and change the idle control valve and see if it fixes the problem...after which, i will post a second reply to let you know if it worked. thanks again!
  13. J

    350HP Mercruiser MPI Horizon's stalls

    I need some advice. i'm a newbie and purchased a 2007 amberjack 290 (in 2010) which only had about 20 hrs. No problems starting No problems with idling No problems with cruising Problems of stalling when maneuvering at low speeds...i've been lobstering and at about the 9th trap (low speed...
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