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  1. M

    YAMAHA exhaust

    What is the purpose of this design on many Yamaha exhausts? http://www.motionline.fi/v02/filemanager/Yamaha20_1024exh.jpg
  2. M

    Evinrude 7,5 1983 Water in the wrong place

    The engine is a longrigged sail version which has been converted to short version by the previous owner. The question is where is all the water coming from that pours out somewhere near the shift lever. When the gearcase is removed and a water hose with pressure fitted over the cooling water...
  3. M

    Salt

    What is the best way removing salt from carb?
  4. M

    TOP SPEED OF TOHATSU M 40 C

    How fast can you go with an Tohatsu M 40 C engine regardless of boat type?
  5. M

    Change of crankshaft

    Here is one for you TOHATSU GURU; What is the difference of the crankshaft old and new model affected MFS 8A/MFS 9.8A: 010322XD Service bulletin from Tohatsu No.04-008 Description Old P/N New P/N Qty Interchangeability Parts List Ref. No. Crankshaft 3V1-00030-0 3V1-00030-1 1 A 3-1 The part...
  6. M

    Identify this Tohatsu

    Purchased an mint Tohatsu 4stroke engine the other day, seems like my dealer can´t give me any info on this one regarding hp year or so, he just shakes his head??????? Any clues where to ask?
  7. M

    OLD TOHATSU

    Where can I get parts or partsbook for old Tohatsus from 70ies and 80ies, 20 hp and 25 hp?
  8. M

    Emblems for johnson

    Anyone selling those nice lookin´ emblems found on 1957 Johnsons 5,5- 18 hp?<br /> :p
  9. M

    MERC 20 hp. Driveshaft trouble ahead?

    One good friend told me that my merc 20 from 1966 has a rusty driveshaft and it will break any day (far out on the lake), I can remember some mercs braking the driveshafts in the 70ies but what years did MERCURY build decent(sainless) shafs or was it so that when the production was moved over to...
  10. M

    The backward EVO of small outboards

    I have been thinking, how is it possible that my 5,5 hp. Johnson from 1957 runs much nicer (like a ROLEX) than any of the modern outboards today, even my friends 6 hp. Johnson from 79 which is basicly the same engine runs much rougher.<br />How can it be? Is it so that the smart engineers have...
  11. M

    Johnson 5,5 compression

    What is the right compression for a 5,5 from year 1957?<br /><br />The reading is now 65 PSI or 4,5 kg/m3!
  12. M

    OMC 18-20-25

    I was just wondering about the differenes on 18-20-25 OMCs year 69, someone told me that the piston timing is different on a 25, will this make it<br />less fuel efficent or will the lowend torque suffer?<br />Any differences in the running, smoth or rough?
  13. M

    Johnson 10 hp 1957 onward

    I found a Johnson 10 hp. 1957 at the junk yard yesterday, to my surprise found out that middlesection and the gearcase are the same as <br />used on the 18 hp. model including the rear bolt<br />that holds the case to the middlesection.<br /><br />When did JOHNSON switch to the smaller gearcase...
  14. M

    Small Johnson model?

    Numbers on the 2 cyl. Johnson is;<br />4B69B<br />B2963<br /><br />But what model is it 2, 3 or 4 hp?
  15. M

    Evinrude colour + mfg

    I have 2 evinrudes, one from 63 10 hp. made in canada and one 5,5 from 64 made in Belgium.<br /><br />I am now wondering where can I get the exact right blue colour and when did they start building outboards in Belgium (Brugs)?
  16. M

    bolts

    Wondering where to buy bolts for my Rude 10 hp. from 1963, especially connectingrod bolts?
  17. M

    Sport twin 1963

    Anyone selling gaskets reeds for Evinrude 10 hp. 1963?
  18. M

    Merc 7,5 Flooding

    My merc from 1975 runs well exept;<br /> every now and then when the engine is cold gas comes from everyhere especially from the little tube in front of the carb and a terrible smoke, if I am quick on the throttle it sometimes helps?<br />Could it bee the needle?<br /><br />By the way, what is...
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