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  1. M

    Tohatsu M8A Parts

    I have a 8HP Tohatsu M8A from 1986. I understand that all parts for this model were discontinued over 10 years ago. <br /><br />I need a water pump impeller. Can anyone direct me to an aftermarket supplier, or has anyone had any luck finding another impeller that is similar, and adapting it to fit?
  2. M

    Is this a 1990 V6

    Just bought a 225 V6 Evinrude.<br /><br />Model is E225 PLESS<br /><br />Serial is G02500146<br /><br />Can anyone tell me how to read these numbers?
  3. M

    type of gear oil

    Is it OK to run SAE 80/90W extreme pressure (EP) Hyploid gear oil in V4 or V6 gearbox?
  4. M

    ignition advance 2.0L looper

    How much ignition advance for a 1992 2.0L looper?<br /><br />at what rpm should I set this up.<br /><br />running 96 octane unleaded at 40:1 with XD-50 oil. But I have 98 octane available at slightly higher cost.<br /><br />heads and block have been milled compression readings around 130...
  5. M

    Chine walk becoming a pain.

    I'm running a 1992 2.0L 140 hp looper on a 210kg 15ft V-bottom ski race hull. Chine walk is just starting at 50 mph, but I know that if boat was set up better it should do 60 mph +.<br /><br />Engine is on a jack plate with 6" set back off transom. current cav plate is 60mm above bottom of...
  6. M

    Chine walk becoming a pain.

    I'm running a 1992 2.0L 140 hp looper on a 210kg 15ft V-bottom ski race hull. Chine walk is just starting at 50 mph, but I know that if boat was set up better it should do 60 mph +.<br /><br />Engine is on a jack plate with 6" set back off transom. current cav plate is 60mm above bottom of...
  7. M

    Water pressure questions 140hp 2.0L looper

    I have just installed a pressure gauge on the cooling system of my 140 HP looper. I get a reading of around 5 psig when engine is running on muffs from garden hose at a fast ilde 1000 rpm.<br /><br />I plan to raise motor on jacking plate to increase boat speed.<br /><br />1) what pressure...
  8. M

    V4 looper 2.0L or 1.8L

    Is there an easy way to tell if an OMC looper power head is 2.0L cf 1.8L?<br /><br />The motor in question is about 1992. I was told that a 2.0L block had been fitted recently.<br /><br />What would the differnce in Bore size be?<br /><br />Do they use the same crank and conrods?
  9. M

    weight comparison of V4 crossflow vs looper

    I am repowering my ski boat, which is already marginally a bit too heavy on transom.<br /><br />Current engine is a 1984 115hp johnson crossflow with 20" leg and v4 gear box.<br /><br />I will be repowering with 1992 140hp evinrude looper. The looper has had a 2.0L block fitted. It has 20" leg...
  10. M

    V4 Johnson 140hp Crossflow

    My 1984 V4 140hp crossflow engine block corroded badly, leaked water into one cylinder and caused damage beyond repair. <br /><br />My local dealer had a fully rebuilt 115hp motor forsale. He says the blocks are very similar and that his replacement 115 popwerhead fitted with my 140hp carbs...
  11. M

    Crossflow versus looper

    I run a 1984 Johnson 140 crossflow on a lightweight 15ft ski boat. What advantages does the loopcharged motor have over the crossflow?
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