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  1. W

    proper rope length for wakeboarding

    i think its only 20 feet, does it vary by weight of the person or preference?
  2. W

    '89 3 litre 4 cyl/ prop clicks when you turn by hand, louder in rev

    i took my boat out fishing for the first time this year and she ran very well. today i was walking by and spun the prop. click,click, click it sounded like one of those garden noisemakers! that was spinning it in rev. i spun it fwd and heard a little but not as much. i did put on a new prop and...
  3. W

    preventative measures for my 3ltre, 4cyl merc

    i purchased a boat w/ an inline 4, 3 litre merccruiser i/o engine. its an '89. i would like to know from the experts: don s, bondo,and others... what i can do to preserve the life of my boat. the motor has 407.7 hours on it and the work i have done to it is: changed engine and lower unit oil...
  4. W

    correct smart tab sizing for my boat?

    i have a 16' fish and ski ('89 invader) and i do both. i have a merc 3 litre 4 cyl, 140 HP and wanted to know which smart tabs i should get, either: sx 9510-60 for 15'-19'boat and 60-140 hp or sx 9510-80 for 16'-20' boat and 150-225 hp you see, i'm at the limit of my 140 hp engine and wanted...
  5. W

    trim tabs.. are hydraulic worth the $ or are springs ok

    i have a 16' fish or ski open bow with an inline 4 cyl merc 3 litre 140 hp engine. i got a great deal on some trim tabs but i am wondering if the hyd. ones are worth the cash? i live in norcal and fish and wakeboard equally. Also, i wanted to know the proper location and angle of the trim tabs...
  6. W

    boat porpoising to portside..trim tab issue?

    16' invader '89 merc inline 4, 3 litre. just overhauled lower unit. new impeller, prop, and trim tab but boat has always leaned to the left. i think i used the correct terminology :-) the trim tab doesnt want to go on straight ahead. is this correct or do i have other issues? thx for everything!
  7. W

    slow leak in trim/tilt reservoir

    i have a slow leak in my trim res. i cant find it though. its not coming from the hoses and i cant find it on the sides, either. any suggestions? i thought about replacing the whole reservoir but no one can get the right one. i've already sent 2 back that were wrong. then i thought about sealing...
  8. W

    bass fishin in n.california.. trolling advise.any.

    i have a 16' open bow with a trolling flap that goes over the prop. do these work? also, what is the proper trolling speed and is trolling strictly done with lures? is trolling on the surface of the water or how deep? sinkers? how much line should be out? yeah, i've never trolled before but have...
  9. W

    correct method to mount tower?

    remember, if you think you can, or you think you cant, you're right!.....stewie griffin.my friend is a welder and is making me a wakeboard tower for my boat. what is the proper ,method to mount metal to fiberglass? do they make fiberglass anchors? this will obviously have the stress of a skier...
  10. W

    test sped. pitot?

    remember, if you think you can, or you think you cant, you're right!.....stewie griffin.spedometer never worked. i replaced the pitot and the tube.how can i test it in my driveway?
  11. W

    any way to test new spedometer pitot?

    i have an '89 invader merc 4cyl 3 litre w/ 412 hrs. and i got 'er last march and the sped. never worked. i noticed the break in the line inches from the pitot. i replaced the line and the pitot but i want to test it b4 i take 'er out. can i gun a garden hose at the pitot in my driveway? still...
  12. W

    tolrble res. in ohms for my spk. plg. wires. for alpha 1 '89?

    i have an '89 merc inline 4 cyl, 3 litre, alpha 1, 140 hp engine and cannot find the proper specs for the resistance of my spark plug wires in my seloc manual. please help me to know if i need to replace. i do not see any cracks or damages but i have only owned this boat for 1 year. thank you.
  13. W

    lower unit oil fill alpha 1 '89

    how could my manual say it takes 23 ounces to fill the lower unit but it took 36 ounces until oil came out of the vent hole?
  14. W

    '89 invader w/2 damage spots. what to do?

    i have a 1989 invader that is in pretty good shape except 2 spots on the port side. there are two dings that go up and you can see the metal underneath. about the size of a nickel about 3/8 inches deep. how do i go about patching them and what do i use? any advise is greatly appreciated! thx.
  15. W

    replacing pitot... do i need silicone?

    replacing my pitot. there was no type of insulation there before. do i need to use a gasket or silicone or some other substance? thx.
  16. W

    gear shimming and gear backlash

    i've had my boat now for almost a year (yes, my first) and i just replaced the water pump impeller on my lower unit. its a '89 merc. inline 4 cylinder 3 litre 140 hp i/o engine. i am confident i replaced everything correctly. i shifted into full forward first before removing and followed the...
  17. W

    filling my cooling system..help!

    my merc repair manual says to use soft water w/ an auto cooling sys. rust inhibitor... but i only know one way to fill it. with my hose through the water pickup intake on the lower unit. i must be missing something, again. do i need to use an evacuator/dispensor through my water drain hole...
  18. W

    troubleshooting spedometer merc 3 litre inline 4

    my spedometer has never worked since i bought the boat and i would like to know where to start to fix it. thx. by the way, its an '89 invader 16' merc alpha 1 if that helps?
  19. W

    lower unit install/ gear concerns/ alpha 1

    just overhauled my impeller and ready to put it back together. but, the book said shift into fwd and turn prop ccw. it only turned cw but i heard the definite "click" the book talked about. was this a misprint? how do i know when i reassemble if i'm in the right gear? also, could the prop shaft...
  20. W

    smoked my blower motor/spdmtr not wrkng...help!!

    i have an '89 invader 16' with a merc 3 ltre 4 cyl i/o and i left the blower on and burned it out. i don't even know where the blower motor is!? also, the spedometer never worked and i could use some advise troubleshooting it. thx a lot! the boat runs great and it only has 400hrs on it!! i love...
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