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  1. Sea Rider

    What size Prop

    Hey QBhoy, for a correct prop maximization where did the : You must know the max wot rpm the motor revved at as currently loaded went flying ? So for you and others as well wot revs means nothing ? It doesn't matter which gear ratio you lower leg counts with, tach the motor right ad install a...
  2. Sea Rider

    Mercury 9.9 4 stroke

    First time scenario reading such thing. Can you post for visual clarification a pic showing the prop fully installed backwards.. If the prop and shaft splines are not damaged, are clean and well greased it's a straightforward operation to skide back any prop specially the onre previously...
  3. Sea Rider

    Newer era Mercury 4 stroke cooling temperatures

    Hey QBhoy I thought that you were boating at open sea and not in a nice scenery Loch, that will account for your motor to be free having water passages obstructions issues as found in salt water, if extremely salty the worse according to my personal experience tearing powerheads on constant...
  4. Sea Rider

    Mercury 9.9 4 stroke

    Are you trying to install other prop brand from the OEM currently factory delivered one? The spacer which I mean it's called a Thrust Holder and its located rear of the prop. When assembling back the prop must push all the way onto the prop shaft (1) trrust holder, (2) prop body, (3) washer...
  5. Sea Rider

    Newer era Mercury 4 stroke cooling temperatures

    The water pump pumps better pressurized water thru the water passages accordingly to which rpm the motor is currently revving up to to achieve slight more or slight less temp readouts with a temp gauge. To graph that occurence... At the back of my motor there's a thermo water port that's...
  6. Sea Rider

    What size Prop

    Happy performance is relative, for much better water performance ideal would be for the motor to rev around middle to max wot rpm range as loaded depending if like going per a slight better top end speed increase or slight better hole shot. As Thom W stated need to know the min-max wot rpm...
  7. Sea Rider

    Newer era Mercury 4 stroke cooling temperatures

    Don't have the least experience with IB motors, would you say that those rude heavier steel blocks which might have smoother water passages collects way less salt buildups in their water passages over the years compared to much lighter OB's alum blocks if had the opportunity to compare ? Happy...
  8. Sea Rider

    Short shaft kicker for 20 inch transom

    The main must sit and work right at middle transom and the S aux side of it held by the aux bracket bolted onto the transom's left side as seen from behind. If plan gearing, throttling and steering the S aux manually will surely sit way low, will work but if in need to throttle and steer the...
  9. Sea Rider

    Trolling motor recommendations

    Welcome to IBoats, If not on a tight budget, Larger sizes have always been much better... Happy Boating
  10. Sea Rider

    50Hp Honda

    If not sure what's the problem about, take it to the dealer and hopefully hope the dealer doesn't over charge a lot of money to clear that out... Happy Boating
  11. Sea Rider

    2022 Tohatsu 15hp Gear Oil Level

    To screw the lower bolt back on after fully filling the gearbox with new gear oil must adjust the upper bolt tight before removing the oil pump's noozle, that way will only lose some oil droplets which it's not that big deal when screwing the lower bolt back on. In any case don't overtighten...
  12. Sea Rider

    Yamaha 85 shifting issue

    If not mistaken both rod's ends which should be threaded are held in place and adjsted by means of 2 nuts which rests and secures themselves against the metal joiner which can be seen towards the upper portion of the lower leg. When removing the upper shift rod from the lower one to change the...
  13. Sea Rider

    Can you mount a kicker motor on a fiberglass bass boat?

    Post a nice pic shot from behind the transom to have a look in order to bolt what's posted in post 2... Happy Boating
  14. Sea Rider

    Mercury 9.9 4 stroke

    Welcome to Iboats, No procedure, probably installed the rear prop spacer backwards ? Happy Boating
  15. Sea Rider

    prop selection

    Each motor must be well propped to run at least middle to max wot rpm range factory stated for each motor. For that will need to go for a wot run as loaded and report the max wot rpm achieved with current props if both motors happens to count with an installed prop whichever model/number of...
  16. Sea Rider

    2015 115 Merc on 20' pontoon

    Why do you need to run that motor with trim up, under that scenario will only achieve a slight top end encrease on flat calm water condition measured with a GPS, but will surely experience the boat veering sideways and lose control at speed if with too much trim up which motor manufacturers...
  17. Sea Rider

    Prop size stamp?

    Without knowing the current number of passengers that were on board, max wot rpm achieved on flat calm water cond to compare it against the min-max wot rpm range factory stated for said motor won't know if current prop powers nicely and efficiently that combo at which wot rpm and true speed...
  18. Sea Rider

    Short shaft kicker for 20 inch transom

    I see 2 Long shaft motors scenario one sitting side, the other on the transom, plan going that route ? If so, your set up will be an installed L and a S shaft ones in which that horizontal bar won't remain horizontal as in pic to work steering your motor nicely at same time as the S lower leg's...
  19. Sea Rider

    03 mercury 50hp 2stroke loss thrust

    If the motor revs extremely high with little forward thrust while high throttle is in demand. you've got already a Spun Hub shot prop. I would perform a hub slip test to rule that out as a starter and then continue with the extra trubleshooting if required. Props are not eternal, have their own...
  20. Sea Rider

    Newer era Mercury 4 stroke cooling temperatures

    QBhoy, if the motor heats up within its tech specs, relax and don't worry. Don't drink too many cold beers or will surely make you wonder again. The only possible way to know if the motor is cooling right as when new out of the box is to take temp readings with an IR gun at different block's...
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