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  1. C

    MERCURY 4HP YEAR?

    I WOULD LIKE TO KNOW YEAR OF MY MERCURY 4HP SERIAL N° OA838570.DO YOU KNOW ANY WEB ADDRESS FOR INVESTIGATION?<br />ALSO THIS ENGINE, PRESENTS WATER INTO THE GEAR HOUSING (LOWER UNIT GEARS), WITH ONLY 8 OURS OF USE.<br />I HAVE CHECKED AND FOUND PROBLEMS WITH THE UPPER GEAR SHAFT SEAL.(SEAL...
  2. C

    MERCURY 4HP YEAR?

    I WOULD LIKE TO KNOW YEAR OF MY MERCURY 4HP SERIAL N° OA838570.<br />ALSO THIS ENGINE, PRESENTS WATER INTO THE GEAR HOUSING (LOWER UNIT GEARS), WITH ONLY 8 OURS OF USE.<br />I HAVE CHECKED AND FOUND PROBLEMS WITH THE GEAR SHAFT SEAL. HOW CAN I REPLACE THIS SEAL? OR SPECIAL SILICONE INSTEAD THIS...
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    TECH TIPS & MAINTEANANCE 3.4L MARINER

    HAS ANYONE OF YOU ANY INFORMATION ABOUT MY OLD BUT STRONG COSWORTH 3.4L 1990 275 MARINER?(ODO33311)<br />MY ENGINE HAS AT LEAST 600 HOURS AND I´M WORRY ABOUT DECARB PROCEDURE, REPLACE LOWER OIL UNIT PERIOD (ALSO TYPE OF OIL),COMPRESSION SPECIFICATION?. I´VE BOUGHT USED...<br />ONLY I NEED IS...
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    1990 275 hp COSWORTH MARINER

    I WOULD LIKE TO KNOW YOUR OPINION ABOUT THIS ENGINE.<br />1- TYPE OF 2 STROKE ENGINE OIL: TCWII OR TCWIII<br />2- ROUGH AT 1200-1700 RPM, WHY?<br />3- CAN I ELIMINATE THE OIL INJECTION?(I CAN NOT FIND SPARE PARTS IN MY COUNTRY)<br />4- ENGINE TEMP GAUGE SHOW COLD AT 4000 RPM(GAUGE WORKING GOOD)...
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    275 3.4L MARINER VS 280 MERCURY

    DEAR SIRS,<br /><br />I WILL LIKE TO KNOW THE DIFFERENCES BETWEEN BOTH 275 HP AND 280 HP.<br />HOW CAN I INCREASE HP OF MY 275 MERC COSWORTH ENGINE? SERIAL ODO00311<br />WHICH CARE DO I MUST TO TAKE WITH THIS ENGINE?(OIL TCWII OR TCWIII)<br />IN MY COUNTRY (VENEZUELA) EXIST FEW 3.4L ENGINES...
  6. C

    275 3.4L MARINER VS 280 MERCURY

    DEAR SIRS,<br /><br />I WILL LIKE TO KNOW THE DIFFERENCES BETWEEN BOTH 275 HP AND 280 HP.<br />HOW CAN I INCREASE HP OF MY 275 MERC COSWORTH ENGINE? SERIAL ODO00311<br />WHICH CARE DO I MUST TO TAKE WITH THIS ENGINE?(OIL TCWII OR TCWIII)<br />IN MY COUNTRY (VENEZUELA) EXIST FEW 3.4L ENGINES...
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