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  1. JohnnySCV

    1999 225 EFI on 203 Champion. Cavitates while coming on plane

    Hi folks. Here is the story... I have a 1999 Champion 203 (20' 3") with a Mercury 225 EFI of the same year. The engine is mounted to a Hydro Jackplate, the prop is a Stainless Steel Trophy 4 blade 25 pitch prop I believe it is a 13-3/4” Diameter. My problem is right as the boat gets on plan...
  2. JohnnySCV

    Battery Drain Question

    Hi Guys, thanks in advance for your input. Fished an 8 hur tournament today in some brutal winds. I didn't really notice my trolling motor acting up at all but when I got home my buddy checked the voltage on the batteries to see how drained they were One battery was 10.7 volts and the other...
  3. JohnnySCV

    Dry Firing 1992 200 HP Merc

    Hi folks, I have a 1992 Mercury 200 HP 2 stroke. I am taking the boat to Big Bear Lake in California, and I have been told that I will be required to start the engine out of the water to make sure all is dry (part of the Quagga Mussell Inspection) prior to being allowed to launch my boat. I...
  4. JohnnySCV

    Help with diagnosis PLEASE

    1992 Mercury 200 Carbs not EFI. I have posted some questions about rough idle and some stalling at low RPMs in the past and followed the suggestions on this board. Motor runs great once the RPM's get over 1500 or so, but at idle it has trouble. So far is have tried disconnecting the idle...
  5. JohnnySCV

    1992 Merc 200 HP Fuel Problem??? UPDATED

    Hi Folks! I posted a question a month or so ago about a rough idle. After some discussion I removed, actually just disconnected the idle staballizer, in an effort to get a smoother run at idle and low rpms. It seemed to help, but once I got the chance to test it, there was really no...
  6. JohnnySCV

    Transducer Placement

    Hello, I was wondering who has an opinion about transducer placement as it relates to on the back of the transom vs. a shut through hull. I have a Champion Bass Boat with a 200 HP Merc. It seems that at speeds above 15 MPH the I don't get a sonar reading. The tranducer is placed in "the best...
  7. JohnnySCV

    200 HP Merc Rough Idle

    Hello all and thank you in advance for your time. 1992 Mercury 200 H.P. 2.5 litre Carbs not EFI has a rough idle. I have decarbed the engine with power tune, run two cans of sea foam, changed the plugs, had the timing checked. Compression is good 114 highest cylinder 110 lowest. Also had...
  8. JohnnySCV

    What is this part called?

    Hi and thanks in advance for your assistance. I have a 1993 Ez Loader VIN 1L8t12025P1S86504 I bought it like this so please don't make fun of me.... Anyways, I want to get the break assist working but I cannot figure out what this part would be called or where to buy one. Any assistance is...
  9. JohnnySCV

    Leaving my boat in the water

    Hello all and thanks for reading. A quick question about leaving my boat docked for a few days. I normally trailer the boat so I have never had it in the water for more than eight hours at a time. I a heading up the the California Delta and will be leaving the boat docked when I'm not...
  10. JohnnySCV

    Gas Mileage

    Hello and thanks for reading. I have a 1992 20ft Champion Bass Boat with a 200 HP Mercury outboard Carburated not EFI. I recently purchased the boat in late October and it seemed to suck up gas like no one's business. Since that time I have changed from a 23 pitch 3 blade prop to a 25 pitch...
  11. JohnnySCV

    Your Thoughts On Oil

    I recently purchased a boat with a 1992 200 HP Mercury outboard, carburated not EFI. The guy I bought it from said the only 2 stroke oil I could ever use is Amsoil Synthetic HP Injector Oil. Seems strange to me that once you start using an oil you can't change to a different brand??? Any...
  12. JohnnySCV

    Carbs to EFI Possible?

    I did some searches and didn't see anything on this, so I apologize if this has been discussed in the past. I have a 1992 200 HP mercury 2.5 liter with 3 carbs. I know they make and EFI model as well. My question is this, is converting to fuel injection possible, and by possbile I mean...
  13. JohnnySCV

    Should I Connect This Wire?

    This is a bit of a needle in a haystack question, so I will do my best to descibe what is going on. First of all the engine is Mercury Mariner Outboard 1992 200 HP. I researched how to check the voltage regulator (here in Iboats) to determine if the regulator is the reason my Tach in not...
  14. JohnnySCV

    Top Speed Question..

    Hello and thank you in advance for reading. I recently purchased a 1992 Champion Bass Bass Boat 20' 1" with a 200 HP Mercury outboard, with 3 carbs, not EFI. It has a Quicksilver LaserII 23 pitch prop. I have beed told different things about the top speed, anything from 60 MPH to 76 MPH...
  15. JohnnySCV

    1978 Johnson Part Question

    First of all thanks in advance for your time. Secondly, please pardon my ignorance as I am somewhat new to boating. I have and 85 HP 1978 Johnson outboard motor. Lately the tilt/trim gauge has been acting erratically or not reading al all. There is a black plastic lever looking thing...
  16. JohnnySCV

    Smoking 85 Horsepower Outboard

    I have a 1978 Johnson Javelin 85 HP outboard. Only had the boat a few months, but I have notice lately that it smokes (from the exhaust) a lot more that it used to, and what seems to be a lot more than most other two stroke engines on the lake. I am using 87 octane gas with a 50:1 mixture...
  17. JohnnySCV

    12v / 24v trolling motor question

    Hi, I have a 12/24v trolling motor that is rated at 42 lbs. I have it set up as a 12v only, but I am curious to know if while running at 12 volts does it still have 42 lbs of thrust? If not is there a way to determine how any lbs it would be at 12 volts? If it is 42 lbs at 12 volts what...
  18. JohnnySCV

    1978 Johnson Tilt/Trim Problem

    Hello, I have a 1978 Johnson Outboard 85 HP engine. The Tilt/Trim is acting up and I'm wondering if anyone could provide a solution as I am not sure replacing the motor is the answer. When I try to lower the motor (mostly from when it is almost all the way up) the tilt/trim motor just spins...
  19. JohnnySCV

    Strange Happening 85 HP Johnson

    I recently purchased and a 16 foot bassboat with a1978 85 HP Johnson Javelin outboard motor. The engine istelf appears very clean, to the best of my knowledge it has never been in salt water. I know for a fact that the engine had not been started in nearly a decade, maybe more. Before...
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