1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 214Get this manual
TherimOu,limit switch is preadjusted at th faclor 10 maximum allowable traveL When trimmed 10 this maximum trim angle, some boal mOlor combinati ons may ex hibi undesi rable handli ng characleristicsIf this co ndi tion is experienced, it will be neccssa ry to readjust thc trimOullimit switch 10 reduce thc amount of trim tra velIf trimOu t" adjustmcnt is necessary, loosen cla mp (b) and rOla le switch (a) as shown Retighten clamp and retest boat at maximum trim angle for hand ling quality AWARNING
Waler tesllhe boatal maximum allowable trimOut" ravel When trimmed 10 maximum allowable trimOul" travel, some boats may exhibit undesirable handling characteristicsIf this condition Is experiencedthe trimOut" limit switch must be readjusted to reduce the amount of trim travel
aTrim "Out" Limit Swi tchClamp; Loosen to Rotate SwitchTurning Switch Clockwise Will Reduce Outward Trim Travel Turning Switch Counterclockwise Will Increase Outward Trim Travet Starboard View of Engine