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    5.7 stalling when hot

    I have a 1997 sea ray 190 bow rider with 5.7 mercruiser 350 2barrel carb thunderbolt 5 mech fuel pump. Boat has ran beautiful until this issue. After about 10 minutes underway engine randomly stalled as if ignition was turned off, there was no bogging or hesitation. Boat starts right back up...
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    Gear Lube Leak Bravo 1

    Hello to all. I have a 09 Bravo 1 I just noticed a flood of gear lube on my top cavatation plate and my resorvior almost empty. I can see a stream coming down the hose from the outdrive end. I totally emptied the resorvior and it seems to have stopped. Is the valve on the housing bad? Could...
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    Winterizing Yamaha 4 stroke vx cruiser

    Does anybody make a "winter Mix" using about 1 qt. of two cycle oil in about 2 gallons of gas, adding stabilizer and startron, draining the tank and running the mix through while flushing? i also remove spark plugs and squirt fogging oil in each cylinder and crank engine to lube. also what...
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    no compression cyl. 1

    i have a 2005 yamaha 1200 xlt. yesterday it was running fine and then just sputtered and died at 3/4 throttle. checked compression today. no compression cyl. 1, 2& 3 are ok. any ideas?
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    3 blown exhaust gaskets

    I have a 2010 350 mag. mpi, repowered last year and have blown 3 exhaust manifold gaskets (both sides) in the last two seasons. Any mercruiser professionals come across this problem??? I've been boating for 40 years and only changed gaskets when i replaced manifolds every 7-10 years!
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    grease fitting for gimbal berring

    hello to all, re-powered last year with a bravo 1 drive and just realized there is no fitting on the gimbal housing for greasing th e gimbal berring. what gives????
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    leaky exaust gaskets

    Re-powered this year with a 2009 350 mag. mpi mercruiser. runs sweet, but i blew my starbord side exaust manifold in june. this week the port side went! what gives? anyone have this problem? of course they were under waranty, but still..................?
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    fuel tank leak

    is there anything you can add to gas to dye it to be absolutly positive my gas is leaking from my main tank
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    winterizing

    after 35 years of boating i have bought my first cruiser type boat(2500 scr maxum) i am familiar with winterizing all types of engines, however i never had waste and water systems to protect. are there any links with detailed instructions like in the engine section of this forum?
  10. S

    blown head gasket

    i recently repowered with a 5.7 long block in a 1991 maxum 2500 scr. i put an agressive cam(300 hp) with a new high rise intake, a rebuilt q-jet, new risers and manifolds. upon initial test run, the head gasket blew between cyl. 2&4. after 10 mins. the builder claims the engine was running...
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    dead spot in carb

    hi, my 5.7 T/I 4 barrel rochester mechanical, has been running great since my fuel pressure and electrical problems. i used the boat 2x last week and she ran great. yesterday when i accelerated to about 3300 all was well , but anything after that ( i'm assuming secdondaries) the engine wanted...
  12. S

    D-plate

    i put this on the wave runner thread but i didnt get any feedback: does anybody know what a fair price is for a d-plate and labor on a yamaha 1200xlt?
  13. S

    D-plate

    what is a fair price to pay for a d-plate and labor on a yamaha 1200 xlt?
  14. S

    rochester quadrajet question

    can an accurate vacuum test be done by removing the 1/4 hose from the primary vacuum linkage on a q-jet?
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    warning: impropper or defective fuel pumps

    be careful when buying quicksilver fuel pump(mechanical) for small block merc. part# 861678A1 either it was manufactured improperly or boxed wrong. the pump is speced at 5-7 psi, mine was tested at over 20 psi. my friend at the parts counter told me they had 5 returned so far with same results...
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    excessive fuel pressure

    i have 5.7 merc. q-jet, mechanical, dual tanks with a T type crossover. rebuilt carb. new fuel pump. after figuring out my ignition problem i'm starting a new thread on my pre-existing flooding problem that happend the same time as the ign. problem. after starting, about 30 seconds of running...
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    5.7 mercruiser wont start

    ok this senerio has been posted on here many times before.....i rebuilt a new long block it ran fine. last week boat sputtered and died. figured i was a victim of ethenol. at some points the boat started but ran like ****...stalling, wouldn't take a load, dumping fuel like crazy. figured the...
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